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I had the same problem with my video board (strange characters on screen) when you open the computer the upper board is the video board remove connectors and wire in red (the picture was taken the first time I opened the computer ) :D (full of dust) use antistatic wrist and antistatic mat...

Maybe chuck(G) is talking about this I found that in: h**p://www.ebay.com/itm/3-Iss-Microcomputing-Apr-May-83-Oct-84-QX-10-HX-20-/360394495230?pt=Magazines&hash=item53e92f94fe I will check my local University library. I understand the magazines are: Microcomputing April 1983, May 1983...

Thanks to all of you for your quick response feipoa after your comment I checked the board and turns out that I was totally wrong The clock is not a 50 Mhz integrated oscillator (some another board has that kind of oscillator) IT has a UM9515 + 14.318 Mhz crystal (sorry my mistake) and the...

Cyrix Cx5x86 Underclocking, Downclocking Correction " The Micro is not a Cyrix cX5X86, it is an Am5x86 " will like your opinion on this matter: I have a PC Compatible Cyrix Cx5x86 running at 133MHz I will like to Underclock the 5x86 and run the system at 16 Mhz (in order to make it...

Wanted I'm looking for Disk explorer (any version) from Quaid Software if you have the user manual I'am also interested

need to do some disk format Analysis I have Disk explorer from Quaid software 1987 edition but can't find the user manual does anybody has it Thanks in advance