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HIMEM.SYS memory problem in old Compaq LTE 5100

Discussion in 'Laptops' started by The Seabat, Apr 1, 2006.

  1. The Seabat

    The Seabat Guest

    Howdy: I just installed two 32MB cards of RAM, for a total of 64MB,
    plus the internal hardwired RAM of 8MB. This all shows up on boot, but
    then I get this DOS warning:

    "Windows XMS Driver version 3.95
    Extended memory specifications (XMS) version 3.0
    ERROR: HIMEM.SYS has detected unreliable XMS memory at address
    XMS driver not installed
    Check if HIMEM.SYS is in Windows directory"

    I've checked the Windows directory and see no sign of HIMEM.SYS. Where
    do I get it and how do I install it?

    It's an old Compaq LTE 5100. Running Win98 with NO CD-ROM drive! 90MHz
    CPU. Yeah, I know it'se an old, tired dog. But Granny could use it for
    email, iffn I can get this RAM to work nice with it.

    Oh, yeah, the RAM is good, I just had it tested at Transcend in
    California (type of RAM).
    The Seabat, Apr 1, 2006
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  2. The Seabat

    Quaoar Guest

    You can Google " ERROR: HIMEM.SYS has detected unreliable XMS memory".
    The upshot is that RAM is damaged and cannot pass memory checking. Swap
    one chip out at a time and see if you can identify the bad chip.

    Quaoar, Apr 1, 2006
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  3. That proves nothing. It is not possible to fully test a RAM module - at
    least not in anything under many centuries. I would say you have a duff RAM
    module. Try installing them one at a time to identify which one.
    The Electric Fan Club, Apr 3, 2006
  4. The Seabat

    The Seabat Guest

    You're right, but these have to be installed in pairs, so I'm at a
    loss as to how to check which one it is. That's what I sent them to
    Transcend for and I was under the impression that they sent me back a
    new pair. Not that that means they are good, but it seems strange that
    I have the same problem with two different sets of RAM. Maybe they
    didn't send me new ones? The s/n's are different though.

    When I look in the C:\Windows\ folder, I don't see the HYMEM.SYS file
    listed. I tried copying it from the boot disc but it doesn't seem to
    take. It says it copied it to the Windows directory, but when I go
    back to a C: promt and check it does not show up. I'm wondering if
    that is the problem? Sure wish I had a CD-ROM drive for this puppy!
    The Seabat, Apr 3, 2006
  5. The Seabat

    Quaoar Guest

    The file is "himem.sys"...umm, you might have male confusion over
    "hymen.sys" which is an install application in another venue entirely,
    and once accessed, does not appear again.

    In WinXP, himem.sys is in C:Windows\System32. If this is Win98, it is
    likely the same.

    Quaoar, Apr 3, 2006
  6. The Seabat

    The Seabat Guest


    You're right, I made a typo, it should be HIMEM.SYS file. I am running
    Windows 98. At the DOS promt it says it is looking for it in
    C:\Windows not C:\Windows\System32. When I go through the step by step
    boot up that is where it is saying that it should be in the Windows
    directory. Just to be on the safe side, I copied it to BOTH
    directories. :)

    Still no joy. Maybe it ain't worth the effort to get this old dog to
    hunt again, huh?
    The Seabat, Apr 3, 2006
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