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- Newsgroups: comp.os.os2.misc
- Path: sparky!uunet!wupost!darwin.sura.net!jvnc.net!nuscc!eletanjm
- From: eletanjm@nuscc.nus.sg (TAN JIN MENG)
- Subject: Re: Various OS/2 2.0 problems
- Message-ID: <1992Aug31.041254.18281@nuscc.nus.sg>
- Organization: National University of Singapore
- References: <widow.715138484@camelot>
- Distribution: na
- Date: Mon, 31 Aug 1992 04:12:54 GMT
- Lines: 52
-
- widow@camelot.bradley.edu (Shaun Burnett) writes:
- : In <1992Aug28.160809.19206@vlsi.polymtl.ca> canty@vlsi.polymtl.ca (Yves Canty (Hiv91)) writes:
- :
- : >Something weird about my extended CMOS setup. I have an option called
- : >"Shadow RAM option". It has 4 possible settings: Disabled, Main, Video,
- : >Both. When I set it to Disabled or Video, the computer doesn't want to
- : >boot anymore. It says something like "Non system disk or disk error" in
- : >DOS, and !SYS0025, !SYS0027 when I try the OS/2 boot disk. If I set
- : >the Shadow RAM CMOS setting to "Main" or "Both", everything works fine, so
- : >I selected "Both" to install OS/2. But even then, I had problems...
- :
- : Strange, seems like it should be exactly reversed. You should
- : turn shadowing off if possible. OS/2 uses upper memory
- : itself, so with shadow on you're wasting space. The problem
- : may be related to your memory (see below).
-
- It happens on some clones. What happens is that when you try disabling
- the shadow, any memory mapped peripherals become invisible. Yours may be
- a slightly different problem but is probably in any case related to the
- motherboard you have and not OS/2.
-
- :
- : >speed at 8 MHz, the error is a file that couldn't be found, but I know
- : >it's on the install disk! When I set the clock at 33 MHz, a trap occurs
- : >instead. Sometimes 0006, sometimes 000d, 000e. It seems almost random.
- :
- : Sounds like you may have a bad memory module. Try using a
- : program to thourghly check your memory.
- :
- : Also, I noticed that AMI has a bunch of parameters about
- : refreshing memory and such. They may be the cause of your
- : problems. I set mine to the defaults found in the manual that
- : came with my motherboard.
- :
- : BTW, I believe you mentioned that you have a 486/33. Is your
- : RAM speed at least 70 ns? (80 ns or above is probably too
- : slow.)
- :
- : As someone pointed out, OS/2 pushes your hardware to the limit.
- : Someone also said that OS/2 may be the best program to check
- : your system components. Too bad it doesn't have better
- : diagnostic messages. ;)
-
- If you're unlucky, it's not your memory modules but your motherboard's
- refresh circuitry - in which case - buy a new motherboard.
- :
- : Shaun Burnett | "You can't survive on a new planet with a
- : widow@camelot.bradley.edu | soul full of hope and fresh air you know."
- : OS/2--Happy Happy Joy Joy--OS/2 - Dr. Who (Tom Baker)
- :
- :
- jin meng
-