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IBM 5162  -  Motherboard Versions


According to the IBM user documentation that I have seen, there was only one version of the motherboard, but two versions have been encountered.


Speed Form factor Photo BIOS
supplied		 Motherboard RAM     Comments
6 MHz 13.04" x 8.57" Photo 04/21/86  1 bank of 512 KB
and
1 bank of 128 KB		  • Form factor is 'Baby AT' - see here.
 • RAM information is here.
6 MHz   Photo 04/21/86  1 bank of 512 KB
and
1 bank of 128 KB		  • See the VCFF threads at here and here.
 • See note 1 below.




Note 1 Some motherboard components are dated 1988 (for example, the delay line).  Odd because the IBM 5162 (IBM XT/286) was taken off the market in 1987.  However, it could be that after that time, IBM still needed to provide 5162 support under existing contracts (e.g. to the military).