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Graphics Interchange Format  |  1999-01-26  |  10.5 KB  |  1041x691  |  1-bit (2 colors)
   ocr: U? 1A 1Y + 1B MUX 2A 2Y 7x B SA 3Y 9, U2 3B D7 4 D1 1 2 bj 4A 4Y 12 OVCC a1 D6 5 D2 92 4B D5 12 D4 D3 Q3 Q4 @2 Q3 10 15 G A/B 74L5157 S1A 13 U1B U1A Q4 R/W 5 74LS02 a 74L502 9 CLK 74L5175 F2 6 VCC O L CLR 41256 pin 8 R1 MA8 33 U3A U?C A13 - A YO 4 8 1U A15 B Y1 D 2 X E - G Y3 Y2 7 7 7 74L502 U3B 74L5139 vcco A12 14 13 A YO Y1 Y2 10 * L S1B A14 D 15d G Y3 74L5139 U24/27 COMMODORE PLUS 4 Title 256kB RAM EXPANSION Size Draughtman REV A4 UU1 Date: July 2, 1999 Sheet of