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Type: Posts; User: romanon

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  1. IBM PC 5170 motherboard type 2 questions

    Talk is about TYPE 2 AT motherboard with 6 MHz CPU, 13.8" x 9.4", BIOS dated on 06/10/85 and 1 bank of 512 KB

    So...What is wrong with this revision of IBM PC AT motherboard? Never saw it nowhere....
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    1MB ram for what? Useless. 256 or maximally 512k...

    1MB ram for what? Useless. 256 or maximally 512k is enough for IBM PC at all. Also its very early PC so it depends of used BIOS. One more time, please OP check SN of your machine, I am interested in....
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    Man, as I can see, this should be very early IBM...

    Man, as I can see, this should be very early IBM PC, please check your serial number on the back of case. I suppose that your SN is lower than 0(1)20000.
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    I need whole keyboard with cable. I have two...

    I need whole keyboard with cable. I have two 5140s, but one without keyboard, so I want to complete it.
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    WTB IBM PC 5140 keyboard

    WTB IBM PC 5140 keyboard, I have also US address, so dont worry about shipping.
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    Yes, I know it, but this is only "legal" way to...

    Yes, I know it, but this is only "legal" way to speed up my IBM AT ;)
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    516

    Ha! I saw it...I am not fool.

    Ha! I saw it...I am not fool.
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    I dont know, about 100$

    I dont know, about 100$
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    WTB: Intel Inboard 386 AT card

    If someone sell it for normal price, PM me.
    I have also US address.

    56614
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    Microsoft PC Ramcard switching

    Hello, someone with switching manual for this card? Thanks

    56511
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    IBM 5154 monitor dark image

    Hello, i obtained this piece. First I had to replace X2 capacitors in power supply because it was blown, but nothing more was necessary at first sight.
    I turned on monitor and connected it to PC....
  12. I am ok with this, but is quite curious that my...

    I am ok with this, but is quite curious that my relatively later model (40/81 - early 1982 ) sold in may 1982 is still equipped with first version of bios. In contrast, my little earlier model (SN:...
  13. I have also one with first bios and two SS...

    I have also one with first bios and two SS drives, but serial number is 32291.

    54799

    https://ibm-pc.webnode.sk/_files/200000676-5e6d65f65f/IMG_7707.JPG
  14. I see only two blurred pictures. Seriously is in...

    I see only two blurred pictures. Seriously is in 2019 so hard to make sharp pics?
  15. Yes indeed, 130,W 220VAC 54577

    Yes indeed, 130,W 220VAC
    54577
  16. Oh come on, who is interesting in newest models?...

    Oh come on, who is interesting in newest models? :D I have also one late B from Austria from 1986. Motherboard date is 26/86 but from serial number I cant catch anything...

    54576
  17. I have one theory. IBM started printing this logo...

    I have one theory. IBM started printing this logo to FDD's with introducing IBM PC XT. Why? Because started printing IBM logo to hard drives. Before XT hard drives not contained any IBM logo...
  18. WE definitely need other pictures of this gem,...

    WE definitely need other pictures of this gem, please take a time to make pictures. Where you get this piece? Some story about it? I am certainly sure that this is the lowest SN on this forum.
    AND...
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    You should adjust your contrast on monitor. There...

    You should adjust your contrast on monitor. There are two shades of green intensity on this cards/monitors.

    54405

    Also 5,25" full height Tandon floppy drive would fit better there ;)
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    IBM PGC work with most VGA monitors, all you need...

    IBM PGC work with most VGA monitors, all you need is 9/15 pin reduction or cable. What I have tried, some older VGA CRT's have problem with this, picture is out of synch. Also one 17" LCD works,...
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    There is no output from that thing. Only video...

    There is no output from that thing. Only video output is from 9pin d-sub connector. My friend tried to connect standard 5151 monitor but without success.
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    Here are external links to (I belive) full size...

    Here are external links to (I belive) full size images

    https://ibb.co/vdYzhW4
    https://ibb.co/c6NyyYJ
    https://ibb.co/VtSJX1h
    https://ibb.co/zZvJ3hv
    https://ibb.co/1LZVnHD
    https://ibb.co/zbgGfLk
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    Strange IBM MDA mutant card identifiaction

    My friend bought this strange card. It comes from IBM MDA I guess, but I've never seen anything like this. What it is?

    54182 54183 54184 54185 54186 54187
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    NOS IBM PGC on EBAY

    Well, not very common, but price is too much for me.

    https://www.ebay.com/itm/273899111098?ul_noapp=true
  25. Good work, congratulations! :) My PGC has only...

    Good work, congratulations! :)

    My PGC has only one memory chip faulted and after replace is working fine. I dont have IBM 5175 monitor, so I am using VGA monitor or TVM color monitor, which have...
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