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IFF Interleaved Bitmap Image  |  1995-06-26  |  19.3 KB  |  640x768  |  1-bit (2 colors)
   ocr: 23-P D X-floppy connector on 34-P floppy connector motherboard on our PCB Pin 8 Pin 10 6 Pin 20 8 Pin 9 - SEL2 10 - - - - - - - _SEL3 12 - (_SEL3) MOTORX MOTOR3) L 14 SEL2 IORESET MUTURZ L 16 SEL2. SEL3') SEL2 MUTURZ (_SEL3) MOTOR3) MOTORX REHDTI l 34 33 READY IORESET JP(DF2) (JPCDF3)) VCC VCC VCC VCC VCC Build this autoconfig- logic on our PCB (Or two, if you want two extra internal flopples...) VCC 14 C1 VCC 14 IN1 2 13 2 13 IN1 IN4 D1 C2 3 12 3 12 01 IN4 CL1 D2 4 11 4 11 IN2 04 S1 CL2 5 10 5 01 S2 10 IN2 IN3 6 9 6 9 02 IN3 01 02 7 8 7 8 GND 03 GND 02 TTL 7438 =quad TTL 7474 =dual 2-input NA ...