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I happened to work on one of these a while back, and retained a couple
pages from some manual, which I can't remember where I got it.
Hope they help,
Steve Waskewicz
Customer Support Center
Storage Support Optical
The important jumpers on the HEADER were as follows:
HEADER
0 0 0 0 0 0 0 0<----These are pins
| | | | | | |<----possible jumper location
0 0 0 0 0 0 0 0
^---TERM
^-----TEST
^-------PRV/ALW
^-----------Mode
^-------------ID4
^---------------ID2
^-----------------ID1
The meaning of these are as follows:
PRV/ALW- Activates/Deactivates removal of the CD Caddy
Header | Function
----------------------------------------
Open | Allows the CD Caddy to be removed
Jumper | Prevents the CD Caddy from being
removed.Eject button is disabled.
SCSI ID Header
ID1 ID2 ID4
0 0 0 0
1 1 0 0
2 0 1 0
3 1 1 0
4 0 0 1
5 1 0 1
6 0 1 1
7 1 1 1
( 0=REMOVE JUMPER 1-Insert Jumper)
Mode Option - Activates/Deactivates the DEC functionality for
workstation or PC host computer systems.
Header | Function
------------------------------------------
OPEN | DEC PC mode
Jumper | DEC workstation mode
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