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Thread: IBM 5162 / 5170 and XUB

  1. #11

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    Quote Originally Posted by modem7 View Post
    After almost week of 'no hobbies due to other matters', I got around to this. First, I got R602 up and running on an XT-IDE Rev 2 card that was fitted to an IBM 5160. I then moved that card into my early IBM 5170. No go, with, or without IBM's combo card fitted. The XUB startup screen correctly reports the CF, but access attempts via DOS fail.

    Like before, the simple act of then swapping out the 5170's IBM authored motherboard ROM's for Award ones got the XT-IDE going (without anything else being done).
    What revision of the XUB did you use when you setup the CF on your 5160, Did you use the same CF or another one and setup on your 5170 ?

    I will do some experimentation:
    * Different types of IDE devices. (Have tried this before.)
    * Given how close the 5162 and 5170 motherboards are (functionally), as an experiment only, I may try the motherboard BIOS ROM's for the 5162.
    I never thought of that, Swapping the 5170 ROMS with the 5162 ROMS, It'll be interesting to hear the results.

  2. #12

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    There is an AT-specific build of the XUB, did you use that one? (IDE_AT.BIN) It uses 16-bit IDE by default.

    I'm skeptical of the testing being done with an actual XT-IDE interface card. I would socket the EPROM on something else and setup the XUB to utilise a bog-standard 16-bit IDE adapter.

  3. #13
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    Quote Originally Posted by maxtherabbit View Post
    There is an AT-specific build of the XUB, did you use that one? (IDE_AT.BIN) It uses 16-bit IDE by default.
    No. I did try IDE_AT.BIN many years ago as part of a discovery exercise then, but I will add it to my retesting.

    Quote Originally Posted by maxtherabbit View Post
    I'm skeptical of the testing being done with an actual XT-IDE interface card. I would socket the EPROM on something else and setup the XUB to utilise a bog-standard 16-bit IDE adapter.
    I remember doing experiments like that many years ago, trying to isolate whether it was the XUB or the XT-IDE card hardware, that had problem with the IBM BIOS ROM's. My faint recall that it was the XUB.

    But since then, I have acquired a Rev 4 version of the XT-IDE card. So maybe that, and R602, and many experiments (e.g. turning off block transfers) may yield a result.

  4. #14

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    Why use an 8-bit card at all for AT testing? Why not just grab a common 16-bit IDE card?

  5. #15
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    I am not testing the XUB, per se.

    Background:
    Ever since the VCF created their XT-IDE card, some people (not me) have had the desire to use an XT-IDE card in an IBM 5170 or IBM 5162.
    Yes, it is not the ideal IDE solution for such machines.
    It was discovered early (by different people) that the VCF's XT-IDE card did not work in the IBM 5170 and IBM 5162.
    Later, it was discovered that swapping out the IBM authored motherboard BIOS ROM's for Award ones got the XT-IDE and IBM 5170 (or IBM 5162) combination going.
    And so, to date, people who (for whatever reason) wanted to use an XT-IDE card in an IBM 5170 or IBM 5162, have been informed that they may need to use the Award BIOS on their motherboard.

    Now, to the OP's and my surprise, the OP has an XT-IDE functioning in his IBM 5162, a 5162 with its original IBM BIOS ROM's fitted. I am certainly thinking to myself, "What changed to allow that?". Post #2 suggests that the XUB was changed to rectify the incompatibility. I do not have a 5162 but I have 5170's. I know; I will try the latest XUB version on an XT-IDE fitted to one of my 5170's - a quick test. No dice.

    There are quite a few variables. Out of curiosity (rather than necessity), in my own time, I will do some experimentation (again) using later hardware (XT-IDE) and software (XUB [version + configuration]). For example, trying IDE_AT.BIN set to 'XTIDE Rev 2'.

  6. #16

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    Quote Originally Posted by modem7 View Post
    .....Now, to the OP's and my surprise, the OP has an XT-IDE functioning in his IBM 5162, a 5162 with its original IBM BIOS ROM's fitted......
    Just to be clear, I have been testing with 16-bit IDE / Floppy / Combo controllers with the XUB R602 in a Lo-Tech ROM board with no problems, I am now using a 16-bit IDE / Floppy controller which has it's own socketed onboard bios, I removed the onboard Bios ROM and fitted an XUB ROM which freed up a slot the Rom board was using. It is also working just fine.

    I personally wouldn't use an 8-bit XT-IDE in an AT, I do have Original Rev 1 / 2 and 4 VCF XT-IDE's though i have not yet tested them this time round.

  7. #17
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    Quote Originally Posted by Malc View Post
    Just to be clear, I have been testing with 16-bit IDE / Floppy / Combo controllers with the XUB R602 in a Lo-Tech ROM board with no problems, ...
    Sorry. Confusion on my part. Somehow I thought that you were referring to the well known XTIDEcard/IBM5170 (XTIDEcard/IBM5162) issue.

  8. #18

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    Quote Originally Posted by modem7 View Post
    Sorry. Confusion on my part. Somehow I thought that you were referring to the well known XTIDEcard/IBM5170 (XTIDEcard/IBM5162) issue.
    I am sorta As with the Original VCF 8-bit XT-IDE's the same issue's were seen when using 16-bit IDE / Floppy controllers by myself and others on this forum, Way back when i last tested i had the same issues with both the 8-bit VCF XT-IDE's and 16-bit IDE / Floppy / Combo controllers when using the Original IBM 5162 / 5170 Bios.

    I will test my VCF XT-IDE R4 in my 5162 using XUB R602 today and report back with the results.

  9. #19

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    Quote Originally Posted by Malc View Post
    ....I will test my VCF XT-IDE R4 in my 5162 using XUB R602 today and report back with the results.
    I tested my XT-IDE R2 and R4 cards in my 5162 with XUB R602 and the original IBM 5162 BIOS, After much faffing about it was a Total FAILURE.

    The IBM 5162 Bios expects to see a * compatible * IDE / Floppy controller, With just an XT-IDE R2 or R4 card fitted or the XT-IDE R2 or R4 and a floppy controller fitted, On Boot up it throws a "601-Diskette Error" and "162-System Options Not Set-(Run Setup) (Resume = "F1" Key), I press the F1 key and it continues to boot from the CF card, I run the Lo-tech "DiskTest" and it FAILS on the Media Test with many Block errors, OR it freezes part way thru the Media Test, I Reboot and find my CF is not recognized by the XUB because it's trashed, I had to do a complete wipe and reinstall of DOS.

    Fitting the Original IBM 5162 Hard drive / Floppy combo card and connecting the floppy drive to it got rid of the 601 and 162 errors, On boot up there were no errors and it booted into DOS, I ran DiskTest and again it failed on the MediaTest and ended up corrupting the CF.

    I tried everything i could think of, Re-configuring the XUB but it was a no go all the way.It seem's they are just not compatible with the IBM 5162 BIOS, Using The AMI Bios i had no problems.

  10. #20

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    I'm not surprised by that outcome - but just to reiterate: the latest release of XUB works fine with the original IBM BIOS if you use a 16-bit IDE card, correct?

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