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Type: Posts; User: Ruud

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  1. Replies
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    Some findings: - The manual doesn't mention the...

    Some findings:
    - The manual doesn't mention the possibility to place up to 1MB of RAM except the dip switch settings. Remark: the board on Modem7's site has a NEC chip, my board has a VDL one. It...
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    269

    Hallo Tronix and dkedrowitsch, Thank you for...

    Hallo Tronix and dkedrowitsch,

    Thank you for your information!
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    102

    I have the impression that you think that it has...

    I have the impression that you think that it has an on board FDC. Except it has a V30 as CPU and being capable of driving 1 MB of RAM, it is a normal bare XT clone.

    Regarding the software: I have...
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    102

    Unknown XT V30 board

    I found this V30 board, see attachment. On the back it just says "DS-11-02B". It is also capable of handling 1 MB. It has two EPROMs on board, as you can see. I expected them to be the odd and even...
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    269

    Unknown XT board with 1 MB of RAM

    I have this XT board that can handle 1 MB of RAM. By accident I found a picture on Modem7's page. The photo is part of an entry on http://minuszerodegrees.net/xt_clone_bios/xt_clone_bios.htm, look...
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    38

    VIP TMX/10 info wanted, please

    I have this VIP TMX/10 board. It has the general layout as most XT clones. I found three TMX board on stason.org but these don't match. It has an extra block of four dip switches under the BIOS near...
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    176

    I only can see you live somewhere in Belgium. Ik...

    I only can see you live somewhere in Belgium. Ik woon in Heerlen / je vie en Heerlen (NL) so if that is near enough, I can program the EPROMs for you. I have enough scrapped ones laying around you...
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    2,575

    I heard of it but never had a look at it. I will...

    I heard of it but never had a look at it. I will do now for certain.
    Thank you very much!
  9. Replies
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    2,575

    Maybe off topic but I really want to know: what...

    Maybe off topic but I really want to know: what did you do to achieve this? A bit info: I wanted to create some W98/W7 systems in the past but after W7 had finished installing, the W98 part had...
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    223

    I was a bit in a hurry so I feel a bit stupid now...

    I was a bit in a hurry so I feel a bit stupid now that I didn't take the time to have a look at all pictures. Anyway, this means it is a PC10-II. But I still have no idea why the "S".
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    I tested all the ICs using an IC tester and (I...

    I tested all the ICs using an IC tester and (I think) for the first time in history I didn't use sockets. But Murphy is everywhere :(


    Several ones, including the one that I use in my XT with the...
  12. Replies
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    223

    What type of motherboard does it have? I have two...

    What type of motherboard does it have? I have two older machines my self and IIRC one has one single motherboard and the other has one that can be split in two parts.
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    236

    I received a XT286 about a year ago therefore...

    I received a XT286 about a year ago therefore very interesting, thank you!
  14. Replies
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    184

    Two XTIDE rev.2s don't see HDD

    Hello,

    I have soldered two new XTIDE rev. 2s. I set the I/O address to 340h. I used the ROM of my rev. 1 to test the two boards. Of course I set the two jumpers for latency mode. The RS-232 parts...
  15. Thread: 8050

    by Ruud
    Replies
    24
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    800

    It will take an age indeed. Ok, about numbers: I...

    It will take an age indeed. Ok, about numbers: I cannot give one anymore. If I have to format a floppy on my 8050 8250 I just do something else in the mean time to pass that time. But it will take...
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    740

    There must be at least two 8-bits latches like...

    There must be at least two 8-bits latches like the 373, 374, 573 and 574 on board to hold the data bits 8..15. If not, I'm afraid it is not an XT-IDE equivalent.


    I my self don't consider it as...
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    First: the PC40-III uses the straight thru cable....

    First: the PC40-III uses the straight thru cable. And second: the drives use a different jumper setting. If it works in a standard PC, it won't in a Commodore PC unless you change some settings. And...
  18. Thread: 8050

    by Ruud
    Replies
    24
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    800

    Any more info like schematics and program are...

    Any more info like schematics and program are more than welcome!
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    740

    Thank you all for answering! I never saw the...

    Thank you all for answering!

    I never saw the abbreviation XTA before so I learned something again. About the registers, I tried to disassemble the HDD part of the BIOS of a PC20-III and then I...
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    8-bits IDE interface

    Hallo allemaal,

    Some 8088 PCs, like the Commodore PC20-III and Philips NMS9100, came with the 8-bits IDE interface. Again my thoughts were about using that bus in combination with a CF card and...
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    Philips NMS9100: several questions

    Hallo allemaal,

    I received two NMS9100s and a spare bord for them. At the end only the spare board seemed to work fine: one just stopped after some minutes, nothing hot, and the other starts up...
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    The ROMs of the C64 have been disassembled very...

    The ROMs of the C64 have been disassembled very thoroughly by various persons, including me. So far I haven't seen anything that looks like a Easter Egg.
  23. My latest ZIP can be found here:...

    My latest ZIP can be found here: www.baltissen.org/zip/diagrom.zip

    What are the changes:
    - If something goes wrong during the 2 KB test, offending address and the bad bits are shown.
    - A...
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    In what way, to moist or to dry? To dry is not a...

    In what way, to moist or to dry? To dry is not a problem, too moist is.

    So far I have stored computers and other material in a little shed for years and, with one exception, no problems. The...
  25. I won't promise anything but I will have a look...

    I won't promise anything but I will have a look at it.

    But I already can tell you on forehand that you will loose the various counters. I need RAM for saving the counters and during the testing...
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