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@@ -11,9 +11,9 @@ containing configuration information from the boot disk.
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This file,
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.BR plan9.ini ,
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looks like a shell script containing lines of the form
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-.PP
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+.IP
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.EX
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- name=\f2value\fP
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+name=\f2value\fP
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.EE
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.LP
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each of which defines a kernel or device parameter.
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@@ -30,9 +30,9 @@ appears at the start of a line.
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For devices, the generic format of
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.I value
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is
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-.PP
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+.IP
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.EX
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- type=TYPE [port=N] [irq=N] [mem=N] [size=N] [dma=N] [ea=N]
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+type=TYPE [port=N] [irq=N] [mem=N] [size=N] [dma=N] [ea=N]
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.EE
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.LP
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specifying the controller type,
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@@ -56,6 +56,7 @@ However, values whose names begin with an asterisk
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are used by the kernel and are not converted into environment variables.
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.PP
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The following sections describe how variables are used.
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+.SS DEVICES
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.SS \fLetherX=value\fP
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This defines an Ethernet interface.
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.IR X ,
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@@ -85,30 +86,70 @@ Some cards are software configurable and do not require all options.
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Unspecified options default to the factory defaults.
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.PP
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Known types are
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+.TF ga620
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+.PD
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.TP
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-.B ne2000
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-Not software configurable. 16-bit card.
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-Defaults are
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-.EX
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- port=0x300 irq=2 mem=0x04000 size=0x4000
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-.EE
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-The option (no value)
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-.B nodummyrr
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-is needed on some (near) clones to turn off a dummy remote read in the driver.
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+.B igbe
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+The Intel 8254X Gigabit Ethernet controllers,
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+as found on the Intel PRO/1000 adapters for copper (not fiber).
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.TP
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-.B amd79c970
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-The AMD PCnet PCI Ethernet Adapter (AM79C970).
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-(This is the ethernet adapter used by VMware.)
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+.B rtl8169
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+The Realtek 8169 Gigabit Ethernet controller.
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+.TP
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+.B ga620
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+Netgear GA620 and GA620T Gigabit Ethernet cards,
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+and other cards using the Alteon Acenic chip such as the
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+Alteon Acenic fiber and copper cards,
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+the DEC DEGPA-SA and the SGI Acenic.
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+Completely configurable.
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+.TP
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+.B 83820
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+National Semiconductor DP83820-based gigabit ethernet adapters, notably
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+the D-Link DGE-500T.
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+.TP
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+.B i82557
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+Cards using the Intel 8255[789] Fast Ethernet PCI Bus LAN Controller such as the
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+Intel EtherExpress PRO/100B.
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Completely configurable, no options need be given.
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+If you need to force the media, specify
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+one of the options (no value)
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+.BR 10BASE-T ,
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+.BR 10BASE-2 ,
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+.BR 10BASE-5 ,
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+.BR 100BASE-TX ,
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+.BR 10BASE-TFD ,
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+.BR 100BASE-TXFD ,
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+.BR 100BASE-T4 ,
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+.BR 100BASE-FX ,
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+or
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+.BR 100BASE-FXFD .
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.TP
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-.B wd8003
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-Includes WD8013 and SMC Elite and Elite Ultra cards. There are varying degrees
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-of software configurability. Cards may be in either 8-bit or 16-bit slots.
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-Defaults are
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-.EX
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- port=0x280 irq=3 mem=0xD0000 size=0x2000
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-.EE
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-BUG: On many machines only the 16 bit card works.
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+.B 2114x
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+Cards using the Digital Equipment (now Intel) 2114x PCI Fast Ethernet Adapter Controller,
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+for example the Netgear FA310.
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+Completely configurable, no options need be given.
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+Media can be specified the same was as for the
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+.BR i82557 .
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+Some cards using the
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+.B PNIC
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+and
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+.B PNIC2
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+near-clone chips may also work.
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+.TP
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+.B 83815
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+National Semiconductor DP83815-based adapters, notably
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+the Netgear FA311, Netgear FA312, and various SiS built-in
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+controllers such as the SiS900.
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+On the SiS controllers, the ethernet address is not detected properly;
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+specify it with an
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+.B ea=
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+attribute.
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+.TP
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+.B rtl8139
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+The Realtek 8139 Fast Ethernet controller.
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+.TP
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+.B smc91cxx
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+SMC 91cXX chip-based PCMCIA adapters, notably the SMC EtherEZ card.
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.TP
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.B elnk3
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The 3COM Etherlink III series of cards including the 5x9, 59x, and 905 and 905B.
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@@ -167,7 +208,7 @@ where
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is a unique identifier string contained in the attribute
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memory of the card (see
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.IR pcmcia (8));
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-unlike most options in
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+unlike most options in
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.BR plan9.ini ,
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this string is case-sensitive.
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The option
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@@ -176,44 +217,40 @@ can be used to turn off (0) or on (1) a dummy remote read in the driver
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in such cases,
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depending on how NE2000 compatible they are.
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.TP
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-.B i82557
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-Cards using the Intel 8255[789] Fast Ethernet PCI Bus LAN Controller such as the
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-Intel EtherExpress PRO/100B.
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-Completely configurable, no options need be given.
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-If you need to force the media, specify
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-one of the options (no value)
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-.BR 10BASE-T ,
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-.BR 10BASE-2 ,
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-.BR 10BASE-5 ,
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-.BR 100BASE-TX ,
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-.BR 10BASE-TFD ,
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-.BR 100BASE-TXFD ,
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-.BR 100BASE-T4 ,
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-.BR 100BASE-FX ,
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-or
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-.BR 100BASE-FXFD .
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+.B ne2000
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+Not software configurable. 16-bit card.
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+Defaults are
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+.EX
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+ port=0x300 irq=2 mem=0x04000 size=0x4000
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+.EE
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+The option (no value)
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+.B nodummyrr
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+is needed on some (near) clones to turn off a dummy remote read in the driver.
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.TP
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-.B 2114x
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-Cards using the Digital Equipment (now Intel) 2114x PCI Fast Ethernet Adapter Controller,
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-for example the Netgear FA310.
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+.B amd79c970
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+The AMD PCnet PCI Ethernet Adapter (AM79C970).
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+(This is the ethernet adapter used by VMware.)
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Completely configurable, no options need be given.
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-Media can be specified the same was as for the
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-.BR i82557 .
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-Some cards using the
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-.B PNIC
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-and
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-.B PNIC2
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-near-clone chips may also work.
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-.\" .TP
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-.\" .B ga620
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-.\" Netgear GA620 and GA620T Gigabit Ethernet cards,
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-.\" and other cards using the Alteon Acenic chip such as the
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-.\" Alteon Acenic fiber and copper cards,
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-.\" the DEC DEGPA-SA and the SGI Acenic.
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-.\" Completely configurable.
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+.TP
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+.B wd8003
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+Includes WD8013 and SMC Elite and Elite Ultra cards. There are varying degrees
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+of software configurability. Cards may be in either 8-bit or 16-bit slots.
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+Defaults are
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+.EX
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+ port=0x280 irq=3 mem=0xD0000 size=0x2000
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+.EE
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+BUG: On many machines only the 16 bit card works.
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+.TP
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+.B sink
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+A
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+.B /dev/null
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+for ethernet packets \(em the interface discards sent
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+packets and never receives any.
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+This is used to provide a test bed for
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+some experimental ethernet bridging software.
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.TP
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.B wavelan
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-Lucent Wavelan (Orinoco) IEEE 802.11b
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+Lucent Wavelan (Orinoco) IEEE 802.11b
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and compatible PCMCIA cards.
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Compatible cards include the Dell TrueMobile 1150
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and the Linksys Instant Wireless Network PC Card.
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@@ -298,7 +335,7 @@ If it is desired to exclude or include unencrypted packets
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configures reception and defaults to inclusion.
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The defaults are intended to match the common case of
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-a managed network with encryption and a typical entry would
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+a managed network with encryption and a typical entry would
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only require, for example
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.EX
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essid=left-armpit key1=afish key2=calledraawaru
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@@ -321,40 +358,6 @@ PCI ethernet adapters that use the same Wavelan
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programming interface.
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Currently the only tested cards are those based on the
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Intersil Prism 2.5 chipset.
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-.TP
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-.B 83815
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-National Semiconductor DP83815-based adapters, notably
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-the Netgear FA311, Netgear FA312, and various SiS built-in
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-controllers such as the SiS900.
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-On the SiS controllers, the ethernet address is not detected properly;
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-specify it with an
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-.B ea=
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-attribute.
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-.\" .TP
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-.\" .B 83820
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-.\" National Semiconductor DP83820-based gigabit ethernet adapters, notably
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-.\" the D-Link DGE-500T.
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-.TP
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-.B rtl8139
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-The Realtek 8139 Fast Ethernet controller.
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-.TP
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-.B rtl8169
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-The Realtek 8169 Gigabit Ethernet controller.
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-.TP
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-.B igbe
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-The Intel 8254X Gigabit Ethernet controllers,
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-as found on the Intel PRO/1000 adapters for copper (not fiber).
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-.TP
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-.B smc91cxx
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-SMC 91cXX chip-based PCMCIA adapters, notably the SMC EtherEZ card.
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-.TP
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-.B sink
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-A
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-.B /dev/null
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-for ethernet packets \(em the interface discards sent
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-packets and never receives any.
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-This is used to provide a test bed for
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-some experimental ethernet bridging software.
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.SS \fLusbX=type=uhci port=xxx irq=xxx\fP
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This specifies the settings for a USB UHCI controller.
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Like the ethernet controllers, USB controllers are autodetected
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@@ -393,6 +396,23 @@ both the hard reset and SCSI bus reset flags in the driver interface.
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If a variable
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.BR *noscsireset
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is defined, the SCSI bus reset flag is omitted.
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+.SS \fLaudioX=value\fP
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+This defines a sound interface.
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+.PP
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+Known types are
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+.TP
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+.B sb16
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+Sound Blaster 16.
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+.TP
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+.B ess1688
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+A Sound Blaster clone.
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+.PP
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+The DMA channel may be any of 5, 6, or 7.
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+The defaults are
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+.IP
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+.EX
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+port=0x220 irq=7 dma=5
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+.EE
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.SS Uarts
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Plan 9 automatically configures COM1 and COM2, if found,
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as
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@@ -403,10 +423,12 @@ and
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(port 0x2F8, IRQ3)
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respectively.
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These devices can be disabled by adding a line:
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+.IP
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.EX
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- eia\fIX\fP=disabled
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+eia\fIX\fP=disabled
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.EE
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-This is typically done in order to reuse the IRQ for
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+.LP
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+This is typically done in order to reuse the IRQ for
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another device.
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.PP
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Plan 9 used to support various serial concentrators,
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@@ -444,16 +466,6 @@ This is used when connecting to a file server over
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an async line.
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.I Value
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is the number of the port.
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-.SS \fLpccard0=disabled\fP
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-Disable probing for and automatic configuration of PC card controllers.
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-.SS \fLpcmciaX=type=XXX irq=value\fP
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-If the default IRQ for the
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-PCMCIA
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-is correct, this entry can be omitted. The value of
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-.B type
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-is ignored.
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-.SS \fLpcmcia0=disabled\fP
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-Disable probing for and automatic configuration of PCMCIA controllers.
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.SS \fLconsole=value params\fP
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This is used to specify the console device.
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The default
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@@ -487,11 +499,25 @@ sign in the
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.I params
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syntax.
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For example,
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+.IP
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.EX
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- console=0 b19200 po
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+console=0 b19200 po
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.EE
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+.LP
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would use COM1 at 19,200 baud
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with odd parity.
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+.SS "PC CARD"
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+.SS \fLpccard0=disabled\fP
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+Disable probing for and automatic configuration of PC card controllers.
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+.SS \fLpcmciaX=type=XXX irq=value\fP
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+If the default IRQ for the
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+PCMCIA
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+is correct, this entry can be omitted. The value of
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+.B type
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+is ignored.
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+.SS \fLpcmcia0=disabled\fP
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+Disable probing for and automatic configuration of PCMCIA controllers.
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+.SS BOOTING
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.SS \fLbootfile=value\fP
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This is used to direct the actions of
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.IR 9load (8)
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@@ -576,14 +602,20 @@ By default, a partition table in a Plan 9 partition
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is consulted; if no such table is found, an old-Plan 9
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partition table on the next-to-last or last sector
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of the disk is consulted.
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-A value of
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+A value of
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.B new
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consults only the first table,
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.B old
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only the second.
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+.SS \fLfs=a.b.c.d\fP
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+.SS \fLauth=a.b.c.d\fP
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+These specify the IP address of the file and authentication server
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+to use when mounting a network-provided root file system.
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+They are used only if the addresses cannot be determined via DHCP.
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+.SS PROCESSOR
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.SS \fL*norealmode=\fP
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-The PC kernel switches the processor to 16-bit real mode
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-to run BIOS interrupts, for example to find the memory map or to enable VESA.
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+The PC kernel switches the processor to 16-bit real mode
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+to run BIOS interrupts, for example to find the memory map or to enable VESA.
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This variable disables such switches.
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.SS \fL*noe820scan=\fP
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When available, the PC kernel uses the BIOS E820 memory map
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@@ -637,7 +669,7 @@ on a PCI bus (default 255).
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For example, a
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.I value
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of 1 should suffice on a 'standard' motherboard with an AGP slot.
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-This, and
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+This, and
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.B *pcimaxdno
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below are rarely used and only on troublesome or suspect hardware.
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.SS \fL*pcimaxdno=value\fP
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@@ -676,6 +708,7 @@ The main feature of the interface is the ability to watch
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battery life (see
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.IR stats (8)).
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It is not on by default because it causes problems on some laptops.
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+.SS VIDEO
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.SS \fLmonitor=value\fP
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.SS \fLvgasize=value\fP
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These are used not by the kernel but by
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@@ -694,6 +727,7 @@ and
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|
.BR off .
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The first two specify differing levels of power saving;
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the third turns the monitor off completely.
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+.SS NVRAM
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.SS \fLnvram=file\fP
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.SS \fLnvrlen=length\fP
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.SS \fLnvroff=offset\fP
|
|
|
@@ -728,27 +762,6 @@ where
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|
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.I unit
|
|
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is the numeric unit id.
|
|
|
This variant syntax is a vestige of the file server kernel's origins.
|
|
|
-.SS \fLaudioX=value\fP
|
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|
-This defines a sound interface.
|
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-.PP
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|
-Known types are
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-.TP
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-.B sb16
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-Sound Blaster 16.
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-.TP
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-.B ess1688
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|
-A Sound Blaster clone.
|
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-.PP
|
|
|
-The DMA channel may be any of 5, 6, or 7.
|
|
|
-The defaults are
|
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-.EX
|
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- port=0x220 irq=7 dma=5
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-.EE
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|
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-.SS \fLfs=a.b.c.d\fP
|
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-.SS \fLauth=a.b.c.d\fP
|
|
|
-These specify the IP address of the file and authentication server
|
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|
-to use when mounting a network-provided root file system.
|
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|
-They are used only if the addresses cannot be determined via DHCP.
|
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|
.SH Multiple Configurations
|
|
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.PP
|
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|
A
|
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@@ -830,7 +843,7 @@ modemport=1
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serial0=type=generic port=0x3E8 irq=5
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monitor=445x
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vgasize=1600x1200x8
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-%
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+%
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.EE
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.PP
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Minimum CONFIG.SYS and AUTOEXEC.BAT files to use
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@@ -845,7 +858,7 @@ PROMPT $p$g
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PATH C:\eDOS;C:\eBIN
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mode com2:96,n,8,1,p
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SET TEMP=C:\eTMP
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-%
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+%
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.EE
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.PP
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Simple
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@@ -876,7 +889,7 @@ Plan 9 Startup Menu:
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====================
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1. Plan 9 with VGA
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2. Plan 9 no automatic VGA
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-Selection[default==1]:
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+Selection[default==1]:
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.EE
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.PP
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Selecting item 1 generates the following
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David du Colombier