Clubfoot Serial Breakout for Series 400 Workstations
This information was provided courtesy of
Klaus Klein <kleink@serpens.de>
SIO1 is a
dca
device and can run at up to 38400 bps with hardware handshaking and has a FIFO.
Use /dev/tty0.
SIO2 and SIO3 are apci
devices and can run at up to 19200 bps. They have no hardware handshaking
or FIFOs. Use /dev/ttya0 and /dev/ttya1.
Pinout description
-
| 9000/400 Pin # |
SIO # |
Signal |
Breakout Pin # |
| 1 |
any |
protective GND |
1 |
| 2 |
1 |
TxD |
2 |
| 3 |
1 |
RxD |
3 |
| 4 |
1 |
RTS |
4 |
| 5 |
1 |
CTS |
5 |
| 6 |
1 |
DSR |
6 |
| 7 |
any |
signal GND |
7 |
| 8 |
1 |
DCD |
8 |
| 9 |
3 |
RxD |
3 |
| 10 |
3 |
CTS |
5 |
| 11 |
1 |
n/c |
- |
| 12 |
2 |
TxD |
2 |
| 13 |
2 |
RxD |
3 |
| 14 |
2 |
RTS |
4 |
| 15 |
2 |
CTS |
5 |
| 16 |
2 |
DCD |
8 |
| 17 |
- |
n/c |
- |
| 18 |
2 |
DTR |
20 |
| 19 |
3 |
DTR |
20 |
| 20 |
1 |
DTR |
20 |
| 21 |
3 |
TxD |
2 |
| 22 |
- |
n/c |
- |
| 23 |
3 |
RTS |
4 |
| 24 |
- |
n/c |
- |
| 25 |
3 |
DCD |
8 |
Availability of adapter cables
A serial port expansion cable with the wiring described above used to be
available from Hewlett-Packard as
K2292 (frequently referred to as "Clubfoot"), but I have
no information whether it still is or not.
Up to NetBSD/hp300 Port Page
www@NetBSD.org
$NetBSD: serial.splitter.html,v 1.16 2004/10/30 22:33:46 jschauma Exp $
Copyright © 1996-2003
The NetBSD Foundation, Inc. ALL RIGHTS RESERVED.
Home Page