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- Path: sparky!uunet!spool.mu.edu!dsinc!das13!dave
- From: dave@das13.snide.com (Dave Snyder)
- Newsgroups: biz.sco.general
- Subject: Re: BIOS shadowing, Re: Performance degradation under SCO UNIX
- Message-ID: <1990@das13.snide.com>
- Date: 2 Jan 93 17:45:07 GMT
- References: <1989@das13.snide.com> <ysaqwB1w165w@zswamp.UUCP>
- Organization: Snide Computer Services - Folcroft, PA
- Lines: 32
-
- In article <ysaqwB1w165w@zswamp.UUCP> geoff@zswamp.UUCP (Geoffrey Welsh) writes:
- } dave@das13.snide.com (Dave Snyder) writes:
- }
- } > Video ROM Shadow C000,32k Enabled
- } > System ROM Shadow F000,64k Enabled
- } > [all others disabled]
- }
- } Looks right to me but, as Bela pointed out, it doesn't affect performance
- } past boot time.
- }
- I've since disabled these two Shadows. The machine boots a little slower,
- but after that I notice nothing different (except an extra 128K of memory :-)
-
- } > Which is weird, I have an Archive 2150L tape drive w/ an Archive VP402
- } > controller card and I still can't use both simultaneously. Could a
- } > wrong BIOS setting be causing this.
- }
- } I wouldn't think so; it sounds more like an interrupt or DMA conflict.
- }
- Bela said pretty much the same thing... so I changed
- name=tape base=0x220 offset=0x4 vec=9 dma=1 type=archive
- to
- name=tape base=0x220 offset=0x4 vec=5 dma=3 type=archive
- and now I have no more problems.
-
- Thank you very much Bela and Geoff!
-
- DAS
- --
- David Snyder @ Snide Computer Services - Folcroft, PA Current Release
- is db4glgen-3.9
- UUCP: ..!uunet!das13!dave INTERNET: dave.snyder@snide.com
-