ref: 181c2d59dbf76b6fe845fbc771ddeb619aface6a
parent: 572b8d0d0a57cebf70bfdc1531a0af595c68eb70
author: cinap_lenrek <cinap_lenrek@gmx.de>
date: Sun Jan 13 06:04:24 EST 2013
plan9.ini(8): isa uarts
--- a/sys/man/8/plan9.ini
+++ b/sys/man/8/plan9.ini
@@ -453,7 +453,7 @@
.EX
port=0x220 irq=7 dma=5
.EE
-.SS Uarts
+.SS UARTS
Plan 9 automatically configures COM1 and COM2, if found,
as
.B eia0
@@ -470,15 +470,17 @@
.LP
This is typically done in order to reuse the IRQ for
another device.
+.P
.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
+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
Perle PCI-Fast4, PCI-Fast8, and PCI-Fast16 controllers
-have taken their places.
-These latter cards are automatically detected
-and need no configuration lines.
+are automatically detected and need no configuration lines.
.PP
The line
.B serial=type=com
--
⑨