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Toshiba SD-R1102 CD-RW/DVD-ROM
Drive Connectors

Figure 1.SD-R1102 CD-RW/DVD-ROM Rear Panel - Connectors

 

Power Connector

Power is supplied to your CD-RW/DVD-ROM by the connection with your computer's +5V/+12V 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.

CAUTION: Severe damage to the Drive circuits may occur if power cable is plugged in upside-down with power ON.

Audio Connectors	Supplies Analog and Digital sound to your system.
ATAPI Connector	The SD-R1102 CD-RW/DVD-ROM is connected to your computer system through the ATAPI connector.

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Table 1.Interface Pin Assignments

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	HDRQ	DMA Request
2	-	GND		22	-	GND
3	I/O	HD7	Host Data Bus BIT 7	23	I	HWR-,STOP	Host I/O Write
4	I/O	HD8	Host Data Bus BIT 8	24	-	GND
5	I/O	HD6	Host Data Bus BIT 6	25	I	HRD-, HDMARDY, -HSTROBE	Host I/O Read
6	I/O	HD9	Host Data Bus BIT 9	26	-	GND
7	I/O	HD5	Host Data Bus BIT 5	27	O	IORDY, DDMARDY,-DSTROBE	I/O Channel Ready
8	I/O	HD10	Host Data Bus Bit 10	28	-	CSEL	Cable Select
9	I/O	HD4	Host Data Bus BIT 4	29	I	HDAK-	DMA Acknowledge
10	I/O	HD11	Host Data Bus BIT 11	30	-	GND
11	I/O	HD3	Host Data Bus BIT 3	31	O	INTRQ	Host Interrupt Request
12	I/O	HD12	Host Data Bus BIT 12	32	O	IOCS16-	Host 16 BIT I/O
13	I/O	HD2	Host Data Bus BIT 2	33	I	HA1	Host Address Bus BIT 1
14	I/O	HD13	Host Data Bus BIT 13	34	I/O	PDIAG-	Passed Diagnostics
15	I/O	HD1	Host Data Bus BIT 1	35	I	HA0	Host Address Bus BIT 0
16	I/O	HD14	Host Data Bus BIT 14	36	I	HA2	Host Address Bus BIT 2
17	I/O	HD0	Host Data Bus BIT 0	37	I	HCS1	Host CHIP Select 0
18	I/O	HD15	Host Data Bus BIT 15	38	I	HCS3	Host CHIP Select 1
19	-	GND		39	I/O	DASP-	Drive Active/Drive 1 Present
20	-	(KEYPIN)		40	-	GND

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