Path: utzoo!censor!geac!torsqnt!lethe!yunexus!ists!helios.physics.utoronto.ca!news-server.csri.toronto.edu!bonnie.concordia.ca!thunder.mcrcim.mcgill.edu!snorkelwacker.mit.edu!usc!julius.cs.uiuc.edu!roundup.crhc.uiuc.edu!ux1.cso.uiuc.edu!uxa.cso.uiuc.edu!dlg6627 From: dlg6627@uxa.cso.uiuc.edu (Darmawan Ludirdja) Newsgroups: comp.sys.ibm.pc.hardware Subject: Re: Designations on chips Message-ID: <1991Jan10.163215.7517@ux1.cso.uiuc.edu> Date: 10 Jan 91 16:32:15 GMT References: <1991Jan8.062424.11291@d.cs.okstate.edu> <1046@accucx.cc.ruu.nl> Sender: news@ux1.cso.uiuc.edu (News) Organization: University of Illinois at Urbana Lines: 29 jaapv@accucx.cc.ruu.nl (Jaap Verhage) writes: >In article <1991Jan8.062424.11291@d.cs.okstate.edu> ong@d.cs.okstate.edu (ONG ENG TENG) writes: >>I think the DRAM that you need are 44256's, which you can buy from >[...] >This originally was about upgrading a VGA card. As I've done the >same thing with different chips, I'm beginning to wonder what the >codes on the things mean. Like, what's the difference between a >41256 and a 44256? Furthermore, there seems to be a speed ^ ^ 41256 => in order to get 256K bytes, you need 9 pieces (parity included) 44256 => in order to get 256K bytes, you need 2 pieces (parity not included) >designation included, like when you see the number on the chip end >with -10. Would anyone please enlighten this poor beginner at how ^^^ 100 nanoseconds. >to read these type-numbers? Thanks. >-- >Regards, Jaap. >Jaap Verhage, Academic Computer Centre, State University at Utrecht, Holland. >jaapv@cc.ruu.nl +<-*|*->+ I claim *every*thing and speak for myself dlg6627@uxa.cso.uiuc.edu