HP 740n (US), 732c (US), 792.se manual Master/Slave and Cable Select, ATA-2 Signals, Pin #, Meaning

Table 12 ATA-2 Signals

Pin #	Signal	Signal	Pin #
1	-RESET	Ground	2
3	DD7	DD8	4
5	DD6	DD9	6
7	DD5	DD10	8
9	DD4	DD11	10
11	DD3	DD12	12
13	DD2	DD13	14
15	DD1	DD14	16
17	DD0	DD15	18
19	Ground	keypin	20
21	DMARQ	Ground	22
23	-DIOW	Ground	24
25	-DIOR	Ground	26
27	IORDY	SPSYNC/CSEL	28
29	-DMACK	Ground	30
31	INTRQ	-IOCS16	32
33	DA1	-PDIAG	34
35	DA0	DA2	36
37	-CS0	-CS1	38
39	-DASP	Ground	40

Product Information	Drive Specifications	Interfaces	Installation and Configuration
Drive Operation	Tips and Techniques	Software	Maintenance
Troubleshooting	Warranty and Support	Release Notes	Discontinued Products

Master/Slave and Cable Select

Drive selection is made with jumpers on the Master, Slave, or Cable Select (CSEL) jumper block at the back end of the drive. The drive can be configured as Master, Slave, or Cable Select. The selection process in ANSI specification X3T10/0948D ATA- 2 Revision 4c is used.

C S E L

M A S T E R

S L A V E

J U M P E R

Figure 7 Drive Jumpers

Table 13 Drive Master/Slave/CSEL Jumpers

Jumper Setting	Meaning
M	Master - Drive is set to Master
S	Slave - Drive is set to Slave
CS	Cable Select - Cable and drive position determines setting
None	Not Allowed

hp dvd-writer dvd100i Technical Support Solutions Guide 10/25/01 Physical Specifications

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