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...
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