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Earlier 1992 Falcon revision

Posted: Wed Feb 05, 2020 10:01 am
by pixelpusher
Built 1992, seems to be one of the earlier motherboard versions. The bodge wire on the cpu pin is as delivered by the factory.

Modifications: FPU added, RTC replaced.
FalconMB.jpg
FalconMB.jpg (780.28 KiB) Viewed 3427 times
SerialBoard.jpg
SerialBoard.jpg (427.81 KiB) Viewed 3427 times
SerialCase.jpg
SerialCase.jpg (484.72 KiB) Viewed 3427 times

Re: Earlier 1992 Falcon revision

Posted: Wed Feb 05, 2020 4:25 pm
by Atarian Computing
This is indeed amongst the first units produced. According to the very comprehensive guide: https://mikrosk.github.io/clockpatch/history.html

B5 = First batch
2A = October 1992, first production month
0 = Pilot production
3 = PALB
000253 = Apparently the 253rd unit produced

Re: Earlier 1992 Falcon revision

Posted: Thu Feb 06, 2020 8:08 am
by mikro
Nice one. However far from the lowest number I have seen - B52A01000010 :) For me the most unique are the Peritel models because those are really different, they don't have the TV modulator for instance.