256x256 Cabling 50-pin Cable from Computer to Electronics Chassis

(does not have sample up ramp mods indicated, 47 & 49 now on separate cable)

50-pin Cable Function Direction 37-pin D connection ( 2, D1 & D2)

(relative to comp.)

All even numbers GROUND D1: 27,28,30-36

D2: 11,13,15,17,19,21

1 Memory Busy In D1:3, D2:37

3 MSB Data bit In D1:4

5 Data bit -15 16384 In D1:5

7 Data bit -14 8192 In D1:6

9 Data bit -13 4096 In D1:7

11 Data bit -12 2048 In D1:8

13 Data bit -11 1024 In D1:9

15 Data bit -10 512 In D1:10

17 Data bit -9 256 In D1:11

19 Data bit -8 128 In D1:12

21 Data bit -7 64 In D1:13

23 Data bit -6 32 In D1:14

25 Data bit -5 16 In D1:15

27 Data bit -4 8 In D1:16

29 Data bit -3 4 In D1:17

31 Data bit -2 2 In D1:18

33 LSB 1 In D1:19

35 Start of int. In D2:36

37 Comp. Read pix clk Out D2:25

39 Master reset Out D1:25

41 Integrate Out D1:24

43 Reset read clk Out D1:26

45 2^nd half select Out D2:24

47 Filter step Out D2:26

49 Filter Direction Out D2:27