adding memory to 6386E
a.d.hay
adh at anumb.UUCP
Tue Nov 15 23:28:27 AEST 1988
In article <2258 at ethos.UUCP> gary at ethos.UUCP (Gary J. Smith) writes:
-->
-->In adding memory to the 6386E, is it necessary to purchase an add-on
-->board, or can memory chips be added into the empty sockets on the
-->original board? I have a couple of the 1MB "Simm Kits", but the
-->computer fails to recognize the memory when I simply plug them into
-->the empty sockets. No instructions came with the simm kits.
first: you can't mix 256K and 1M simms on a board.
_____________________________________________________________________
| XXXXXXXX XXXXXXXX |
| L07LL L06LL |
| |
| |
| |
| |
| |
| |
| |
| |
| ___ _ _ _____|
|____________________| |________| |________| |________________|
L07LL: L06LL:
banks 2&3 256K:3&4 1M:1-4
--------------------------------------------------------------
0 1 1 0 0 0011
0&1 1 0 0 1 0111
0-3 0 0 1 1 1111
L07LL:5678 L06LL:12,56
board banks 256K 1M 256K only
-------------------------------------------------------------
1 0 0000 0000 00 00
0&1 . . . .
0-3 . . . .
2 0 . 0001 01 01
0&1 . . . .
0-3 . . . .
3 0 . 0011 10 10
0&1 . . . .
0-3 . . . .
0=on, 1=off; all other switches on.
--
Andrew Hay +------------------------------------------------------+
Holistic Specialist | I will design a computer for you, so powerful that |
AT&T-BL Ward Hill MA | organic life will form part of its operational matrix|
mvuxq.att.com!adh +------------------------------------------------------+
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