LG GSA-4167B Service Manual page 61

ATAPI Interface Pin List
Pin Name Pin No.
HRSTB 59
DA2 92
DA1 89
DA0 91
DATA[15:0] 79,77,71,
69,67,65,
63,61,60,
62,64,66,
68,70,76,
78
DREQ 80
ZIOWB 81
ZIORB 82
IORDY 83
DACKB 84
HINTRQ 85
IOCS16B 86
PDIAGB 90
CS1FXB 93
CS3FXB 94
DASPB 95
65
I/O destination Function
5I ATAPI ATAPI-IF control signal (host reset signal)
5I ATAPI ATAPI-IF register address signal
5IO ATAPI ATAPI- IF data bus
5TO ATAPI ATAPI-IF DMA request signal
5I ATAPI ATAPI-IF write strobe pulse
5I ATAPI ATAPI-IF read strobe pulse
5TO ATAPI ATAPI-IF control signal (drive Ready)
5I ATAPI ATAPI-IF DMA acknowledge
5TO ATAPI ATAPI-IF drive interrupt signal
5TO ATAPI ATAPI-IF control signal (16-bit transfer)
5IO ATAPI ATAPI-IF control signal
5I ATAPI ATAPI-IF register chip select signal
5IO ATAPI ATAPI-IF control signal