From Newsgroup: comp.sys.ibm.ps2.hardware

https://www.ebay.com/itm/116557128971

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From Newsgroup: comp.sys.ibm.ps2.hardware

https://www.minuszerodegrees.net/manuals/Sysgen/Sysgen%20Bridge-File%20-%20Owner's%20Manual%20-%20Revision%20F.pdf

Covers 1055 as well.

Louis Ohland wrote:

https://www.ebay.com/itm/116557128971

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From Newsgroup: comp.sys.ibm.ps2.hardware

Note
The version of the 1030 adapter designed for PC/AT use contains
different signal routing from the version designed for the
PS/2 Models. Do not interchange these two adapters; always
use the part number that applies to your equipment.

Computer Adapter Part#
PC, XT, or compatible Omni-Bridge 2678-01
IBM PC/AT 1030-AT 2294-01
AT Compatible Omni-Brldge 2678-01
PS/2 Model 25 or 25 286 1030-PS/2 2293-01
PS/2 Model 30 or 30 286 1030-PS/2 2293-01
PS/2 Model 50 or 50Z 1050 2295-01
PS/2 Model 55SX 1055 3390-01
PS/2 Model 60, 65, or 80 1060X 2296-65
PS/2 Model 70 1070 2297-01
PS/2 Model 90 or 95 1090 7450-01

Louis Ohland wrote:

https://www.minuszerodegrees.net/manuals/Sysgen/Sysgen%20Bridge-File%20-%20Owner's%20Manual%20-%20Revision%20F.pdf

Covers 1055 as well.

Louis Ohland wrote:

https://www.ebay.com/itm/116557128971

BIN / MAO

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From Newsgroup: comp.sys.ibm.ps2.hardware

Page 111

Jumper Positions for the 1055 Adapter
W1 - W2 (Disk/Tape selection): These jumpers should always be set toward
the middle of the board (the disk position).

W3 - W4 (+5V & + 12V): These power jumpers are normally jumpered to
allow + 5V and + 12V to power the external floppy drives or tape drive
from the internal power supply of the computer.

It is possible that you may need to have other cards plugged into the
system that excessively load down the internal power supply. In this
case, these jumpers should be removed and a SYSGEN external power supply
can be used to power the external drives.

Louis Ohland wrote:

https://www.minuszerodegrees.net/manuals/Sysgen/Sysgen%20Bridge-File%20-%20Owner's%20Manual%20-%20Revision%20F.pdf

Covers 1055 as well.

Louis Ohland wrote:

https://www.ebay.com/itm/116557128971

BIN / MAO

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From Newsgroup: comp.sys.ibm.ps2.hardware

Page 117 [Finish the fight! ]

Installing the Auxiliary Power Supply

Follow these instructions for installing the auxiliary power supply
1. Check the adapter to make sure that the plastic jumper blocks are set
as follows:

1055 adapter: Remove jumper blocks from pins of jumpers W3
and W4

Louis Ohland wrote:

Page 111

Jumper Positions for the 1055 Adapter
W1 - W2 (Disk/Tape selection): These jumpers should always be set toward
the middle of the board (the disk position).

W3 - W4 (+5V & + 12V): These power jumpers are normally jumpered to
allow + 5V and + 12V to power the external floppy drives or tape drive
from the internal power supply of the computer.

It is possible that you may need to have other cards plugged into the
system that excessively load down the internal power supply. In this
case, these jumpers should be removed and a SYSGEN external power supply
can be used to power the external drives.

Louis Ohland wrote:

https://www.minuszerodegrees.net/manuals/Sysgen/Sysgen%20Bridge-File%20-%20Owner's%20Manual%20-%20Revision%20F.pdf


Covers 1055 as well.

Louis Ohland wrote:

https://www.ebay.com/itm/116557128971

BIN / MAO

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