S100 PDP11

Posted by musovern on Nov 20th, 2019 in PDP11 | 0 comments

After many Months of work I now have a S100 PDP11 system working and running RT11-v5.03SJ. It’s currently sitting in my 9 Slot Test rig.

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TEI MicroFrame

Posted by musovern on Nov 20th, 2019 in TEI-MicroFrame | 0 comments This is my TEI chassis with 12 slot backplane, Have now recapped the power and changed it over to 240 volt. Will add the Z80 that is sitting on top or a 8080A CPU board not sure yet with RAM/EPROM board with a serial board for another S100 system.                     Read More...

IBM XT 5160

Posted by musovern on Nov 17th, 2019 in IBM XT5160 | 0 comments The IBM Model 5160 was as you might guess, a more powerful version of the IBM PC Model 5150. The ‘XT’ designation distinguished it from the 5150 ‘PC’. It was introduced in 1983 and, like it’s predecessor the IBM 5150, it was available with either a CGA colour video card or a monochrome (text-only) MDA video card. It shipped with more RAM on the motherboard and had 163W power supply to better support the supplied 10MB or 20MB hard disk drive (increased from the 93W PSU used in the 5150). The (mostly unused) tape port mysteriously disappeared – a sign of the times!... Read More...