Image Map Image Map

Search:

Type: Posts; User: modem7

Page 1 of 20 1 2 3 4

Search: Search took 0.10 seconds; generated 13 minute(s) ago.

  1. Replies
    31
    Views
    1,482

    Some (partial) screen shots are at [here...

    Some (partial) screen shots are at [here].
  2. Replies
    31
    Views
    1,482

    The Supersoft/Landmark diagnostic is known to be...

    The Supersoft/Landmark diagnostic is known to be misleading in regard to RAM tests, especially for the 16KB-64KB motherboard. Per the 16KB-64KB motherboard specific information at [here], "Under no...
  3. Replies
    31
    Views
    1,482

    That is expected. Pins 2 and 14 on a 4116 chip...

    That is expected. Pins 2 and 14 on a 4116 chip are the data in and data out pins respectively.

    Also, on a 16KB-64KB motherboard, for each RAM chip, pins 2 and 14 are connected together.
  4. Replies
    31
    Views
    1,482

    You have a CGA card installed. Therefore, as...

    You have a CGA card installed. Therefore, as expected, the 'CGA + [its video] memory' check is passing. You do not have an MDA card fitted and that is why the 'MDA + [its video] memory' check fails....
  5. Maybe it is the equivalent of the 'resume'...

    Maybe it is the equivalent of the 'resume' battery shown at [here].

    A description of what Toshiba call 'resume' is at [here].
  6. Replies
    13
    Views
    419

    I added the images to the IBM 5170 section of...

    I added the images to the IBM 5170 section of http://minuszerodegrees.net/bios/bios.htm


    Obviously, one needs to know the start and finish addresses.
    But there are some 'traps':

    * In some...
  7. Replies
    1
    Views
    49

    Welcome to these forums. Sorry if any of the...

    Welcome to these forums.

    Sorry if any of the following is 'suck eggs'.

    The motherboard stores certain configuration information (hard drive type, RAM amount, etc.). Among other terms, that is...
  8. Replies
    4
    Views
    146

    Welcome to these forums. I have added your...

    Welcome to these forums.


    I have added your C56/C58 'experience' to the list at [here].



    I see. The switch block SW1 photo that I had at [here] showed SW1's switch 1 in the on position....
  9. I have been away for a while. I have added the...

    I have been away for a while.

    I have added the manual and software to [here].

    Thanks.
  10. Replies
    31
    Views
    1,482

    With the banks of RAM, a lot of signals jump from...

    With the banks of RAM, a lot of signals jump from one RAM chip to the next, to the next, ...

    An open trace would explain the change in symptom - see [here].

    The circuit diagram will show which...
  11. Replies
    13
    Views
    419

    I would probably add it to the IBM 5170 section...

    I would probably add it to the IBM 5170 section of http://minuszerodegrees.net/bios/bios.htm
  12. Replies
    31
    Views
    1,482

    The Supersoft ROM screen shot at post #8 shows...

    The Supersoft ROM screen shot at post #8 shows failure of the MEMORY REFRESH test (specifically bits 6 and 3).
    At [here] is an example of the MEMORY REFRESH test failing because of a bad RAM chip in...
  13. Replies
    31
    Views
    1,482

    That card is detailed at [here...

    That card is detailed at [here]. The +3.3V LED is monitoring the -5V contact in the ISA slot. Therefore, expected to be lit, are all four voltage LED's.

    You must have +5V present, otherwise the...
  14. Replies
    44
    Views
    7,223

    I think that is time to pluck up the courage to...

    I think that is time to pluck up the courage to see if the 131 persists.


    ???

    At [here] is shown:
    - IBM Monochrome Display and Printer Adapter (MDA)
    - IBM Color/Graphics Monitor Adapter...
  15. Yep. That's right. And Aussie made diskettes...

    Yep. That's right.
    And Aussie made diskettes normally have extra labels on them like:

    "Not a drink coaster."
    "Do not frisbee into drive."
    "Keep out of reach of kangaroos."
    "Crikey. That hammer...
  16. Replies
    10
    Views
    1,262

    Adobe Acrobat 9 I open the PDF, then select...

    Adobe Acrobat 9

    I open the PDF, then select [Document] then [OCR Text recognition] then [Recognize text using OCR]. At that point, before actual OCR'ing, I can optionally change the OCR settings....
  17. Replies
    10
    Views
    1,262

    Additionally, I have hosted the provided...

    Additionally, I have hosted the provided Quadcolor manuals and software at [here].
    I also OCR'ed the manuals.
    Thank you.
  18. Replies
    11
    Views
    617

    Hello. Welcome to these forums. I suggest that...

    Hello. Welcome to these forums.

    I suggest that you run some diagnostic software against the card. CheckIt is an example (from the main menu, [TESTS] then [VIDEO]).
  19. Replies
    4
    Views
    278

    An upgraded motherboard ? Does your motherboard...

    An upgraded motherboard ?
    Does your motherboard have two or four rows of sockets for RAM chips.


    I have one of these cards.
    It too is the REV 7 version (printed on it is "ATRAMBANK REV 7")....
  20. Replies
    2
    Views
    276

    That is what IBM has done on my keyboard.

    That is what IBM has done on my keyboard.
  21. Replies
    2
    Views
    276

    It is the reset line. It goes to pin 3 in the DIN...

    It is the reset line. It goes to pin 3 in the DIN connector (the pin opposite CLOCK). I verified that by opening up one of my 83-key keyboards.

    Refer to [here]. The early version of the 83-key...
  22. R45 is probably acting as a 'pullup resistor'. I...

    R45 is probably acting as a 'pullup resistor'. I do not think that you have worked out the full diagram, because I expect that there is a second pullup resistor, one for the clock line. And other...
  23. Replies
    4
    Views
    328

    1. Do a thorough visual inspection. 2. Very...

    1. Do a thorough visual inspection.

    2. Very carefully, re-seat all socketed chips.

    3. Some motherboards like these will appear 'dead' if there is one (or more) faulty RAM chips in bank 0.

    4....
  24. Replies
    4
    Views
    328

    Welcome to these forums. Why do you write...

    Welcome to these forums.


    Why do you write that? Are you hearing a beep/beeps from the speaker ?


    That could be the processor in the keyboard doing that.


    I cannot see any other place on...
  25. Replies
    37
    Views
    64,495

    A link to Chuck's later version, version 0.94...

    A link to Chuck's later version, version 0.94 (XTATKEY_094.ZIP) is at [here].

    A slightly enhanced version of that is introduced at [here].
Results 1 to 25 of 498
Page 1 of 20 1 2 3 4