identify G2 chips

G2
acquired 1989 by Headland Technology

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GC101A-PC
GC101A-PC
A1A4453 
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GC102-PC
GC102-PC
B1A4000 
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GC113-PC
GC113-PC
B3A0011
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GC113-PC
GC102
TAG 8852A
 
         
Video
GC-205
GC-208

Mainboard
GC101A-PC
GC102-PC
GC113-PC