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Update We did some more testing / troubleshooting yesterday with the repaired CIM and the focus shifted swiftly to the A5 Board as the initial problems were still present. The A5 has the operational Brain on it. It's a 8 bit Microchip PIC 17C44 40 PIN Plastic Dip with 8K memory and several A/D...

Repaired / refurbished Monochrome CIM with correct brightness and Backlight turned OFF https://youtu.be/BQTjAee7BLw

New Heatsink Paste with 0.050” square Aluminum spacer since the old paste was dried out and no longer transferred the heat and the correct battery holder heavy duty vibration resistant with high grade CR2032 Lithium Battery

One last thing - when adjusting brightness/contrast on Monochrome LCD, turn on the backlight - it will greatly enhance the live of the LCD - as higher the brightness is set as faster the LCD will wear out.......

So, who is your daddy now?

One more, the critical one

I guess a few more won’t hurt Azonix or Winsystem motherboard, 486 or Pentium makes no difference - same I/O map

A collection of pictures - Monochrome CIM -

To retrieve the correct BIOS Settings we would have to find a fully operational CIM with exactly the same Hardware and Software Version in it as yours, The mother board has to be removed from the CIM and connected as I described in previous post #12 Once we are in the BIOS each setting would...

Mac, This is what I kinda figured. The battery can be easily replaced and the mother board can be connected to any standard +5V CPU Supply on J13 and with the correct adapter cable from Winsystem's you can hook up any VGA/SVGA Monitor on J15 and Mouse on J14 and Keyboard on J9 The J numbers I...

If I am not completely mistaken. then this is the integrated lithium battery as it is exactly next to the Voltage Regulator Circuit

Mac, as to the CMOS BAT, this is a lithium Battery - because of the 18 years of sitting, it never got charged - see diagrams - is your date and clock off too? If so, then lithium Bat is either defective and is probably solderd onto the board or needs to be charged for several hours Also, you...