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Chromedome45
May 18th, 2011, 06:13 PM
Does anyone out there have a picture of the IBM xt-286 motherboard? If so could you post it? Thanks :p
I understand it uses 30 pin SIMMS and DIP ram.

Jorg
May 18th, 2011, 09:40 PM
http://www.nadbor.pwr.wroc.pl/yesterpc/Hardware/ISA%20motherboard/IBM%20XT286/slideshow/IMG_3576.JPG ?

per
May 19th, 2011, 02:19 AM
The SIMMs can be a pair of any kind of 256x9 Kbit module (256KB+Parity), as long as it's faster than 150nS. However, 1MB modules won't work at all.

The onboard 128KB can actually be disabled by a jumper. This is porblably to maintain compability with cards which assumes the on-board memory-configuration of the PC/AT.

Chromedome45
May 19th, 2011, 05:09 AM
Thanks for the PIC and info much appreciated.