Appendix
4.2.2 DB25 Connector
13 o o o o o o o o o o o o o 1
25 o o o o o o o o o o o o 14
Pin SX64 Kbd C128D Kbd CBM8296 adapter CBM7x0 adapter
1 GND GND GND GND
2 n/c n/c ID bridge to pin #22 SR Cascade
3 Restore Restore
4 VCC VCC VCC VCC
5 Column 3 Column 3 Column 7 n/c
6 Column 6 Column 6 Column 6 n/c
7 Column 5 Column 5 Column 5 Column 5
8 Column 4 Column 4 Column 4 Column 3
9 Column 7 Column 7 Column 3 Column 4
10 Column 2 Column 2 Column 2 Column 2
11 Column 1 Column 1 Column 1 Column 1
12 Column 0 Column 0 Column 0 Column 0
13 Row 0 Row 0 Row 0 Row 0
14 Row 6 Row 6 Row 1 Row 1
15 Row 5 Row 5 Row 2 Row 2
16 Row 4 Row 4 Row 3 Row 3
17 Row 3 Row 3 Row 4 Row 4
18 Row 2 Row 2 Row 5 Row 5
19 Row 1 Row 1 Row 6 Row 6
20 Row 7 Row 7 Row 7 Row 7
21 Shift lock Keypad row 0 Row 9 SER
22 Shift LED Keypad row 1 ID bridge to pin #2 RCLK
23 GND Keypad row 2 Row 8 SRCLK
24 GND 40/80 Key
25 n/c ASCII/DIN key
48
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