Path: utzoo!attcan!uunet!snorkelwacker!think!zaphod.mps.ohio-state.edu!wuarchive!decwrl!shlump.nac.dec.com!mountn.dec.com!memit.enet.dec.com From: shatara@memit.enet.dec.com (Chris Shatara) Newsgroups: comp.sys.apple Subject: Re: GSRam chips Message-ID: <1128@mountn.dec.com> Date: 2 Dec 89 18:33:27 GMT Sender: news@mountn.dec.com Organization: Digital Equipment Corporation Lines: 23 > >In article <6009@lindy.Stanford.EDU> unknown@ucscb.UCSC.EDU (The Unknown User) writes: >> They aren't 32K per chip, unless the universe just inverted and you >>can say that 256K*1 = 32*8. > >Note that the chips are 256Kbitx1 (not byte). So, if you take 256x1024/8, you >do indeed get 32K per chip. > >The AE gsRAM manual I have seems to imply that one could plug in single chips >into the board with no problem...fact or fiction? > FICTION! 256K Chips are organized as an array that's 1 bit Wide and 256K Bits long. You need 8 BITS TO MAKE UP A BYTE.....hence 8 chip sets yield 256K BYTES. ============================================================================= | Chris Shatara | Internet: shatara@memit.enet.dec.com | | Opinions expressed are | DEC Easynet: memit::shatara | | mine and mine only! | UUCP: ...!decwrl!memit!shatara | =============================================================================