Path: utzoo!attcan!uunet!husc6!cmcl2!rutgers!att!whuts!homxb!genesis!hotlr!anumb!adh
From: adh@anumb.UUCP (a.d.hay)
Newsgroups: comp.sys.att
Subject: Re: adding memory to 6386E
Message-ID: <385@anumb.UUCP>
Date: 15 Nov 88 13:28:27 GMT
References: <2258@ethos.UUCP>
Reply-To: adh@anumb.UUCP (a.d.hay)
Organization: AT&T Bell Laboratories - MV
Lines: 51

In article <2258@ethos.UUCP> gary@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	+------------------------------------------------------+