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- Path: news-1.csn.net!carbon!ouray!gsmarlow
- From: gsmarlow@ouray.cudenver.edu (Scott Marlowe)
- Newsgroups: comp.sys.amiga.hardware
- Subject: Re: 2630 with 2632 problem
- Date: 16 Mar 1996 06:24:10 GMT
- Organization: University of Colorado at Denver
- Message-ID: <4idmqa$b3l@carbon.cudenver.edu>
- References: <4id5u7$os@detroit.freenet.org>
- NNTP-Posting-Host: ouray.cudenver.edu
- Cc: ac224@detroit.freenet.org
- X-Newsreader: TIN [version 1.2 PL2]
-
- Jim Harvey (ac224@detroit.freenet.org) wrote:
-
- : This is kind of obscure. I recently picked up a 2632 ram expansion for
- : my 2630 accelerator. After a minor problem with an outdated copy of
- : the installation software, it's working fine with the new 8 meg SIMM
- : I got for $109 at a local show (can you believe what RAM prices have
- : cone in the last month?).
-
- : BUT... My CDROM, an NEC CDR-25 under ASIM 2.0, locks up the SCSI buss
- : if I mount it in the 32 bit memory. It's OK if I set the 2632 to
- : lower priority than the 24 bit memory I have installed.
-
- Sounds like your CDROM is dmaing to memory which cannot be dmaed to.
- Likely culprit is an incorrect DMA mask setting, but I don't know if
- cdrom-device drivers have the ability to set xfer masks. If not, then
- you would need to get a (ugh!) programmed I/O hard drive controller
- card (scsi that it)
-
- Note I assumed: A2091 card as your controller, since MANY 2630
- equipped A2000s came with a 2091 card. Check your ROM revs, and see
- if you have fairly late model, 7.0 being the last rev, 6.0 and 6.6
- being late enough to usually work.
-
-