On Apr 26, 11:36, emanuel stiebler wrote:
> does anybody have a description of the jumpers & dil-switches ?
Sure. The DIL switches are small rectangular objects about 0.4" x 0.7"
and the jumpers... (Sorry, I can rarely resist that :-))
I think this is what you want:
There are 2 layouts, Revision A and Revision C.
___ ___
| \__________________||______________________||___________________/ |
| 5017547A1 o |
| R o-o W5| |
| P o-o o-o |
| N o-o W6 |
| M o-o |
| oA |
| o |
| __oB |
| | |1 |
| SW1 | | o W1 |
| | | o |
| M7551-AA |___|6 o W2 |
| MSV11-QA oK |
| REV.A o |
| oL |
| ___ |
| | |1 |
| SW2 | | |
| | | |
| |___|6 |
| |
| o |
| C | D |
| o-o |
| +5V o-o-o |
| o-o J H |
|_ _|| _|| _|| | _|
| | | | | | | o +5VB |
|______________| |______________| |______________| |______________|
___ ___
| \__________________||______________________||___________________/ |
| 5017547-01-C1 |
| J11,9,7,5 |
| J10,8,6,4 |
| |
| J3 J2 J1 |
| ___ |
| | |1 |
| M7551-xA SW2 | | |
| MSV11-Qx | | |
| REV.C |___|6 |
| |
| where x = A = 1MB ___ |
| x = B = 2MB | |1 |
| x = C = 4MB SW1 | | |
| | | |
| |___|6 |
| |
| |
| o o |
| +-o o-+ |
| W3 | o o | W1 |
| +-o o-+ |
| J17,16,15 J14,13,12 |
| |
|_ _|| _|| _|| _|
| | | | | | | |
|______________| |______________| |______________| |______________|
Address switches:
Start Address End Address
Board No SW1 SW2 SW2
Version in system 4 5 6 4 5
MSV11-QA 1 0 0 0 1 1
2 1 1 1 0 1
3 0 1 1 1 0
4 1 0 1 0 0
MSV11-QB 1 0 0 0 1 1
2 0 1 1 0 0
MSV11-QC 1 0 0 0 0 0
0=ON, 1=OFF
SW2-1, -2, -3 and SW1-1, -2, -3 are all ON.
SW1-6 is not used.
CSR Address:
Rev.A jumpers R,P,N,M all IN
Rev.C jumper J4-J5, J6-J7, J8-J9, J10-J11 AND then:
Board No
in system CSR addr
1 17772100
2 17772102
3 17772104
4 17772106
The other Rev.A jumpers are:
W1 IN block mode enabled
W6 IN Manufacturing test (do not remove)
B IN CSR selection enabled
C IN Manufacturing test (do not remove)
H IN enable parity error detection
L IN 22-bit addressing selected
+5V/+5VB do not use, this module does NOT support
battery-backup option
The other Rev.C jumpers are:
J1-J2 IN Manufacturing test (do not remove)
J13-J14 IN on -QA Select 64K RAMs
OUT on -QB,-QC
J15-J16 IN on -QA Select 64K RAMs
OUT on -QB,-QC
J12-J13 IN on -QB,-QC Select 256K RAMs
OUT on -QA
J16-J17 IN on -QB,-QC Select 256K RAMs
OUT on -QA
W1,W3 IN Battery backup option setting
--
Pete Peter Turnbull
Dept. of Computer Science
University of York
Received on Mon Apr 27 1998 - 08:41:44 BST