User Guide

22 ASUS CD-R/RW Drive User’s Manual
V. ADDITIONAL INFORMATION
V. Additional Info
Interface Pin Table
Interface Pin Table
Signal Pin Number Signal Pin Number
RESET 01 DMA REQUEST 21
GROUND 02 GROUND 22
–DB(7) 03 I/O WRITE 23
–DB(8) 04 GROUND 24
–DB(6) 05 I/O READ 25
–DB(9) 06 GROUND 26
–DB(5) 07 I/O READY 27
–DB(10) 08 SPSYNC:CSEL 28
–DB(4) 09 DMACK– 29
–DB(11) 10 GROUND 30
–DB(3) 11 INTRQ 31
–DB(12) 12 16 BIT I/O 32
–DB(2) 13 DA1 33
–DB(13) 14 PDIAG– 34
–DB(1) 15 DA0 35
–DB(14) 16 DA2 36
–DB(0) 17 CHIP SELECT 0 37
–DB(15) 18 CHIP SELECT 1 38
GROUND 19 DASP– 39
Removed 20 GROUND 40