RF Monitor ...8 PIN DIN (J2) A1000 only
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1 N.C.
2 GND
3 AUDIO LEFT
4 COMP VIDEO
5 GND
6 N.C.
7 +12 VOLT POWER
8 ADIO RIGHT
DISK EXTERNAL ...DB23 FEMALE
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For A500, A1000, and A2000 with A2000 differences noted.
1 RDY* 13 SIDEB*
2 DKRD* 14 WPRO*
3 GND 15 TK0*
4 GND 16 DKWEB*
5 GND 17 DKWDB*
6 GND 18 STEPB*
7 GND 19 DIRB
8 MTRXD* 20 SEL3B* A2000 not used (1)
9 SEL2B* A2000 SEL3B* (1) 21 SEL1B* A2000 SEL2B* (1)
10 DRESB* 22 INDEX*
11 CHNG* 23 +12
12 +5
(1) SEL1B* is not drive 1, but rather the first external drive. Not
all elect lines may be implemented.
- 298 Appendix E -