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PCD2 CPU card - unknown manufacturer, unknown switch function
05/20/15
Well, after I realized that the battery of the "CPU board" is dead, I tried to remove the CPU card. This was a small disaster, because I have to figure out how to dismantle the rest before I can pull the card itself. But I survived, so here is a picture of that 386SX ISA-Bus card, plugged -
Another Siemens PCD-2 - but surprisingly with a Intel 386SX CPU ?!
05/09/15
Recently I found another Siemens PCD-2, but this one was totally different from the other.
The main difference - instead of a Intel 286 CPU, I found a 386SX CPU (20 MHz), but still inserted on a CPU card (no "classic" mainboard inside).
There was also no proprietary S -
Siemens PCD-2 monochrome monitor adapter
05/02/15
Having a bit time, I created a monitor adapter for my Siemens PCD-2.
The Siemens monochrome monitor has no own power supply, it gets its power by the DB9 connector (strange!), means +12V on pin #2.
I had to cut the connection between pin #2 from the mda/cga card and pin #2 from the monitor
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PCD2 CPU card - unknown manufacturer, unknown switch function
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Peter's z80.eu site blog
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LBA 48bit vs 28bit BIOS support and DOS/Windows 98 FAT32 limits
Ontrack Disk Manager adventures
Comparison of free memory for an old IBM PC/XT compatible system
Hard Disk Imaging Utility for (very) old PCs - now in beta status
Strange DOSBOX (with latest version 0.74-3) behaviour with a sample benchmark program
Ghost HDD imaging history ... Wikipedia ignores versions below 3
Remarkable site and blog: The 'Computer History Museum'
Two interesting pages about the Olivetti M20 - one of the few computer which have a Z8000 and can run CP/M-8000
Off topic: Microsoft Safety Scanner ... not really recommendable. See why.
FMA 3500, a 486DX Notebook with monochrome LCD VGA display
Ontrack Disk Manager adventures
Comparison of free memory for an old IBM PC/XT compatible system
Hard Disk Imaging Utility for (very) old PCs - now in beta status
Strange DOSBOX (with latest version 0.74-3) behaviour with a sample benchmark program
Ghost HDD imaging history ... Wikipedia ignores versions below 3
Remarkable site and blog: The 'Computer History Museum'
Two interesting pages about the Olivetti M20 - one of the few computer which have a Z8000 and can run CP/M-8000
Off topic: Microsoft Safety Scanner ... not really recommendable. See why.
FMA 3500, a 486DX Notebook with monochrome LCD VGA display
Administrator (Peter Dassow)
07/03/16
Cyrus runs also on Hercules cards, but only in Textmode. Administrator (Peter Dassow)
09/20/08
Added: I was looking for additional infos about the GSX-80...
07/03/16
Cyrus runs also on Hercules cards, but only in Textmode. Administrator (Peter Dassow)
09/20/08
Added: I was looking for additional infos about the GSX-80...
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