home *** CD-ROM | disk | FTP | other *** search
- Path: sparky!uunet!mcsun!news.funet.fi!butler.cc.tut.fi!ee.tut.fi!s106275
- From: s106275@ee.tut.fi (Anssi Saari)
- Newsgroups: comp.sys.ibm.pc.hardware
- Subject: Re: Mixing DRAMS with different refresh rates
- Date: 12 Jan 93 21:53:49 GMT
- Organization: Tampere University of Technology, Computing Centre
- Lines: 35
- Distribution: world
- Message-ID: <s106275.726875629@ee.tut.fi>
- References: <C0qtH7.MGM@news.iastate.edu> <1993Jan12.182916.1268@bmers95.bnr.ca>
- NNTP-Posting-Host: ee.tut.fi
-
- In <1993Jan12.182916.1268@bmers95.bnr.ca> khor@bnr.ca (Kyle Hor) writes:
-
- >In article <C0qtH7.MGM@news.iastate.edu>, jdwhite@iastate.edu (Jason White) writes:
- >|> I just replaced my 36 256x1, 100ns DRAMS with 18 1MBx9, 70ns DRAMS to upgrade
- >|> my 286 from 1 to two megs of RAM. I was wondering if I could put 18 of the
- >|> 256x1 DRAMS in the machine in order to get another 512K. I'm pretty sure the
- >|> motherboard can be configured to handle it, but I'm concerned because the
- >|> two typed of DRAMS have different refresh rates. Is this going to effect the
- >|> operation and integrity of my computer?
- >|>
- >When you say 18 -- a assume you mean 2 SIMM or SIPPs, where each
- >SIMM/PP have 9 chips. In other words you have 2 1Mb SIMM/PPs and
- >would like to add 2 256K SIMM/PPs.
-
- I would think he'd mention simms or sipps if he had any.
-
- >The answer is NO. You cannot mix different SIMM/PP memory size in
- >the same bank, one bank being 4 SIMM/PP.
-
- One bank, in a 286, is only 16 bits wide, so he could do it if he had simms or
- sipps.
-
- To answer the original question, I don't see why not. Certainly trying wouldn't
- hurt.
-
- Anssi
-
-
-
-
- --
- Anssi Saari s106275@ee.tut.fi
- Tampere University of Technology
- Finland, Europe
-
-