Path: utzoo!attcan!uunet!snorkelwacker!bloom-beacon!bu.edu!bu-cs!bu-pub!bear From: bear@bu-pub.bu.edu (Blair M. Burtan) Newsgroups: comp.sys.amiga.hardware Subject: Re: Memory Expansion for the A2091 HD Controller? Message-ID: Date: 6 Feb 90 14:24:46 GMT References: <886@orange9.qtp.ufl.edu> Sender: news@bu.edu.bu.edu Distribution: na Organization: Boston Univ. Electrical, Computer & Systems Engineering Lines: 34 In-reply-to: sutherla@qtp.ufl.edu's message of 2 Feb 90 23:14:56 GMT >>>>> On 2 Feb 90 23:14:56 GMT, sutherla@qtp.ufl.edu (scott sutherland) said: >> 1) What do I need to know about the ram chips needed for the board? >> Speed, manufacturer, model numbers, etc. I've never bought ram >> before so I do not understand all the "parameters" involved. The chips are 256k x 4 CMOS DRAMs. The manual says 120 nanoseconds is fast enough. Note that CMOS is required. NMOS will kill the board. >> 2) What should I expect to pay, at today's prices, for 2 Mb of >> this memory? Can anyone point me to a reputable dealer with >> good chips that are inexpensive? Is Fry's Electronics, >> mentioned frequently on the net, a good option? Memory prices are dropping almost daily. You need 32 chips. You should be able to get away for less than $250-$300 easy. >> 3) What is involved in installing these on the board? I assume I >> need a dealer to do this so I don't fry the chips, correct? >> If I can get specifics on how to do this and what precautions >> need to be taken, I may be able to get the electronics shop >> in our chemistry department to help me do it myself. Get yourself one of those grounding wristbands. I looked at my board yesterday and the memory is socketed. There are some jumpers that you have to set. Check your manual. -- --------------------------- Signature Version 1.0 --------------------------- | bear@bu-pub.bu.edu enge05c@buacca.bu.edu | | "There are many perks in being the mother of a living god. | | Nice apartment, car, free parking." | -----------------------------------------------------------------------------