Drive Connectors: Toshiba XM-6402B User's Guide

Power Connector

Power is supplied to your CD-ROM by the connection with your computer's +12V/+5V power cable to the power socket at the back of drive. One side of the plug has chamfered edges, so the power connector fits only one way.

INTERFACE PIN ASSIGNMENT
PIN NO.	I/O	SIGNAL NAME	HOST SIGNAL NAME	PIN NO.	I/O	SIGNAL NAME	HOST SIGNAL NAME
1	I	Reset	Host Reset	21	O	DMARQ	DMA Request
2	-	GND		22	-	GND
3	I/O	DD7	Host Data Bus BIT 7	23	I	DIOW-	Host I/O Write
4	I/O	DD8	Host Data Bus BIT 8	24	-	GND
5	I/O	DD6	Host Data Bus BIT 6	25	I	DIOR-	Host I/O Read
6	I/O	DD9	Host Data Bus BIT 9	26	-	GND
7	I/O	DD5	Host Data Bus BIT 5	27	O	IORDY	I/O Channel Ready
8	I/O	DD10	Host Data Bus Bit 10	28	-	SPSYNC:CSEL	Spindle SYNC or Cable Select
9	I/O	DD4	Host Data Bus BIT 4	29	I	DMACK-	DMA Acknowledge
10	I/O	DD11	Host Data Bus BIT 11	30	-	GND
11	I/O	DD3	Host Data Bus BIT 3	31	O	INTRQ	Host Interrupt Request
12	I/O	DD12	Host Data Bus BIT 12	32	O	IOCS16-	Host 16 BIT I/O
13	I/O	DD2	Host Data Bus BIT 2	33	I	DA1	Host Address Bus BIT 1
14	I/O	DD13	Host Data Bus BIT 13	34	I/O	PDIAG-	Passed Diagnostics
15	I/O	DD1	Host Data Bus BIT 1	35	I	DA0	Host Address Bus BIT 0
16	I/O	DD14	Host Data Bus BIT 14	36	I	DA2	Host Address Bus BIT 2
17	I/O	DD0	Host Data Bus BIT 0	37	I	CS1FX	Host CHIP Select 0
18	I/O	DD15	Host Data Bus BIT 15	38	I	CS3FX	Host CHIP Select 1
19	-	GND		39	I/O	DASP-	Drive Active/Drive 1 Present
20	-	(KEYPIN)		40	-	GND