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plan9.ini(8): isa uarts

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cinap_lenrek 2013-01-13 11:04:24 +01:00
parent 80146b0303
commit bad3007bd6
1 changed files with 10 additions and 8 deletions
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18
sys/man/8/plan9.ini
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@ -453,7 +453,7 @@ The defaults are
.EX .EX
port=0x220 irq=7 dma=5 port=0x220 irq=7 dma=5
.EE .EE
.SS Uarts .SS UARTS
Plan 9 automatically configures COM1 and COM2, if found, Plan 9 automatically configures COM1 and COM2, if found,
as as
.B eia0 .B eia0
@ -470,15 +470,17 @@ eia\fIX\fP=disabled
.LP .LP
This is typically done in order to reuse the IRQ for This is typically done in order to reuse the IRQ for
another device. another device.
.P
.PP
Additional i8250 (ISA) uarts (uart2 to uart6) can be
configured using:
.IP
.EX
uart\fIX\fP=type=isa port=\fIport\fP irq=\fIirq
.EE
.PP .PP
Plan 9 used to support various serial concentrators,
including the TTC 8 serial line card and various models
in the Star Gate Avanstar series of intelligent serial boards.
These are no longer supported; the much simpler
Perle PCI-Fast4, PCI-Fast8, and PCI-Fast16 controllers Perle PCI-Fast4, PCI-Fast8, and PCI-Fast16 controllers
have taken their places. are automatically detected and need no configuration lines.
These latter cards are automatically detected
and need no configuration lines.
.PP .PP
The line The line
.B serial=type=com .B serial=type=com