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- Path: news.magic.mb.ca!techtol!704!murray.rivett
- From: Murray.Rivett@704.techtol.magic.mb.ca (Murray Rivett)
- Date: 27 Jan 96 10:56:00
- Newsgroups: comp.sys.amiga.hardware
- Subject: Re: Supra500HD
- Message-ID: <db9_9601271749@techtol.magic.mb.ca>
- Organization: Techtol FidoGate
-
- Check out Supra500HD written to All on 22 Jan 96 18:09:36
-
- TP> From: jbk4@email.psu.edu (The Prophet)
- TP> Subject: Supra500HD
- TP> Organization: Cybernetic_Expressions
-
- TP> I recently purchased an Supra harddrive for my A500. The drive
- TP> works fine but there are no docs for it and I have a few
- TP> questions:
-
- I dug out the docs for the Supra500XP.
-
- TP> 1) what function do the dip-switches serve?
-
- Dip switches 1,2,3 are scsi # selector if the small cable
- is attachable to your hd. Don't use Up,Up,Up as that is
- scsi address 7 which the controller uses.
-
- Dip switch 4 Down enables auto-booting.
-
- Dip switch 5 Down is ram test mode and Up is run.
-
- TP> 2) What are the two jumpers for? Memory?
-
- Two power jumpers to be removed if you use non-A500
- power, which is what mine does.
-
- TP> 3) What type of memory chips does it use?
- TP> I have an ADRAM board that isn't being used, can I swap chips to
- TP> the supradrive?
-
- 256Kbit x 4 Dram(DIP) 4 chips in 2 512k banks is half a meg.
- 1 Mbit x 4 Dram(DIP) 4 chips in 2 512k banks is 2 megs.
- 80 nanosecond DIP is in mine, but 120 is slowest.
-
- J1 J2 J3 under the hd connector need to be set.
-
- total ram J1 J2 J3
-
- 0 off off off
- 512k off on on
- 1MB off on off
- 2MB (256kx4 DRAM) off off on
- 2MB (1Mbitx4 DRAM) on off on
- 4MB on off off
- 8MB on on on
-
- Where on connects jumper pins and off is
- no jumper or connection of pins.
-
- TP> 4) Can I use a ZIP drive with it?
-
- Should work as I use a cdrom changer. I would advise
- against using HDToolBox as it may leave your hd without
- a RDB. This happened to me after I prepped the hd
- with the Supra utilities. RDPrep v3.91 will allow
- you access to the hd again to fix this. (Thank God!)
-
- ...Hungry? There is an abundance of food on the next level.
-
-
- //Murray// Axon fido 1:348/704 cis 9:100/203
- --
- |Fidonet: Murray Rivett 1:348/704
- |Internet: Murray.Rivett@704.techtol.magic.mb.ca
- |
- | Standard disclaimer: The views of this user are strictly his own.
-
-