Intel Pentium III Processor/840, Manual, Page: 47 / 151

Intel
®
Pentium
®
III Processor/840 Development Kit Manual 4-11
Hardware Reference
4.8.12 ATAPI Audio Connectors
The ATAPI connectors are used with CD-ROM Drives, have four pins in one row, and mate with a
polarized latching-type receptacle. There are several AMP (vendor) numbers; use 103961-1 as a
reference. Table 4-22 shows the signals assigned to ATAPI connector (J1H1).
Table 4-23 shows the signals assigned to ATAPI connector (J1H2). This connector is used for
auxiliary line input signals.
4.8.13 IDE Connector
The IDE connectors have 40 pins; two rows with twenty pins per row. Table 4-24 shows the signals
assigned to connectors IDE1 (J10E1) and IDE2 (J10F1).
Table 4-22. ATAPI Audio Connector Pinouts (J1H1)
Pin Signal Name
1 CD-Left
2 Ground
3 Ground
4 CD-Right
Table 4-23. ATAPI Audio (Auxiliary Line-In) Connector Pinouts (J1H2)
Pin Signal Name
1 LLINE_IN
2 Ground
3 Ground
4 RLINE_IN
Table 4-24. IDE Connector Pinouts for IDE1 (J10E1) and IDE2 (J10F1) (Sheet 1 of 2)
Pin Signal Name Pin Signal Name
1 Reset IDE 21 DRQ3
2 Ground 22 Ground
3 Host Data 7 23 I/O Write#
4 Host Data 8 24 Ground
5 Host Data 6 25 I/0 Read#
6 Host Data 9 26 Ground
7 Host Data 5 27 IOCHRDY
8 Host Data 10 28 BALE
9 Host Data 4 29 DACK3#
10 Host Data 11 30 Ground
11 Host Data 3 31 IRQ14
12 Host Data 12 32 IOCS16#