Specifications

Connectors
4
4
Page 62
Keyboard Connector (J15)
6-pin mini-DIN Circular
AMP 749266-1 or equivalent
Pin Signal Pin Signal
1 Keyboard Data 4 Keyboard VCC
2 N/C 5 Keyboard Clock
3 Ground 6 N/C
Table 4-14. Keyboard Connector Pinout.
AT Bus Pinout
AT-bus pinout (XT side):
P1 Signal Signal Name Signal Name Signal P1
A1 Vcc ~IOCHCK GND B1
A2 SD7 RESETDRV B2
A3 SD6 VCC B3
A4 SD5 IRQ9 B4
A5 SD4 -5V n/c B5
A6 SD3 DRQ2 n/c B6
A7 SD2 -12V B7
A8 SD1 ~0WS B8
A9 SD0 +12V B9
A10 IOCHRDY GND B10
A11 AEN ~SMEMW B11
A12 SA19 ~SMEMR B12
A13 SA18 ~IOW B13
A14 SA17 ~IOR B14
A15 SA16 ~DACK3 Pull Up B15
A16 SA15 DRQ3 n/c B16
A17 SA14 ~DACK1 B17
A18 SA13 DRQ1 B18
A19 SA12 ~REFRESH B19
A20 SA11 SYSCLK B20
A21 SA10 IRQ7 B21
A22 SA9 IRQ6 B22
A23 SA8 IRQ5 B23
A24 SA7 IRQ4 B24
A25 SA6 IRQ3 B25