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- Path: news.netins.net!pfloyd
- From: pfloyd@worf.netins.net (David Aschbrenner)
- Newsgroups: comp.sys.amiga.hardware
- Subject: Re: Supra500HD
- Date: 1 Feb 1996 06:20:23 GMT
- Organization: Iowa Network Services, Des Moines, Iowa, USA
- Message-ID: <4epm37$8p3@insosf1.netins.net>
- References: <4e1900$1l4v@hearst.cac.psu.edu> <2049.6597T224T788@execpc.com>
- NNTP-Posting-Host: worf.netins.net
-
- In article <2049.6597T224T788@execpc.com>,
- Jeffery S. Jones <jeffsj@execpc.com> wrote:
- >On 23-Jan-96 00:09:36, The Prophet <jbk4@email.psu.edu> wrote:
- >>I recently purchased an Supra harddrive for my A500. The drive
- >>works fine but there are no docs for it and I have a few
- >>questions:
- >
- >>1) what function do the dip-switches serve?
- >
- > Left to right, as follows (I think):
- >
- > 4th switch is test mode. I don't remember what this does, and haven't
- >looked at the drive docs in years. It can be left in the down position, as I
- >recall.
-
- It's been a while for me, too. :) But, I believe this is for testing the
- RAM in the 500XP.
-
- >>3) What type of memory chips does it use?
- >> I have an ADRAM board that isn't being used, can I swap chips to
- >> the supradrive?
- >
- > 256k x4 or 1Mx4 DIP, almost any speed you can find nowadays will work. I
- >think 120NS would work.
-
- I had mostly 120ns chips in mine. Worked fine for years.
-
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