Path: utzoo!attcan!uunet!van-bc!ubc-cs!alberta!aunro!ersys!davem From: ersys!davem@nro.cs.athabascau.ca Newsgroups: comp.sys.ibm.pc.hardware Subject: Re: What chips needed to upgrade ATI VGA Wonder to 512k Message-ID: Date: 15 Oct 90 14:52:41 GMT References: <5263@quiche.cs.mcgill.ca> Organization: Edmonton Remote Systems, Edmonton, AB, Canada Lines: 34 dragon@quiche.cs.mcgill.ca (Edward YEE) writes: > Hello, > > I have an ATI VGA Wonder with 256k right now, and I would like to > upgrade it to 512k. > > I went to my local computer store, and asked for the 8 chips to do > the upgrade. They tried to sell me chips with the number 24164 (or > something like this), at $11.00 each! > > I always thought it would require about $30-$40 dollars worth of DRAM > to upgrade, not $90. > > What chips are needed to do the upgrade? (is it 64k x 4 chips? if so, > what does the 64k x 4 mean? [electronics rookie here] does it mean it > requires 4 chips to get 64k. if so, then 8 chips is only 128k, not the > 256k that is required.) My manual says to use 8, 64k x 4 chips, 41464-10, > but the dealer says that doesn't get it up to 512k. Who's right? > > Thanks > > Edward The manual's right. Get out your calculator and multiply 64 x 4. It should yield the same answer as 256 x 1. Each chip holds the same amount of data; it simply does it in a different fashion. The 41464 is in common use in Amigas and I have a littlt 68000 unit that also uses them.. Dave McCrady | ersys!davem@nro.cs.athabascau.ca Edmonton Remote Systems | 13324-138 Street | BBS: (403)-454-6093 300-9600 bps (HST) Edmonton, AB Canada T5L 2B4 | USENET (403) 452-3254 300-2400 bps