Intel Pentium III Processor/840, Manual, Page: 48 / 151

4-12 Intel
®
Pentium
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III Processor/840 Development Kit Manual
Hardware Reference
4.8.14 Floppy Drive Connector
The floppy drive connector has 34 pins. Table 4-25 shows the signals assigned to connector
(J10F2).
13 Host Data 2 33 Addr 1
14 Host Data 13 34 Ground
15 Host Data 1 35 Addr 0
16 Host Data 14 36 Addr 2
17 Host Data 0 37 Chip Select 0#
18 Host Data 15 38 Chip Select 1#
19 Ground 39 Activity
20 Key 40 Ground
Table 4-24. IDE Connector Pinouts for IDE1 (J10E1) and IDE2 (J10F1) (Sheet 2 of 2)
Pin Signal Name Pin Signal Name
Table 4-25. Floppy Drive Connector Pinouts (J10F2)
Pin Signal Name Pin Signal Name
1 Ground 2 FDHDIN
3 Ground 4 Reserved
5 Key 6 FDEDIN
7 Ground 8 Index
9 Ground 10 Motor Enable A#
11 Ground 12 Drive Select B#
13 Ground 14 Drive Select A#
15 Ground 16 Motor Enable B#
17 Ground 18 DIR#
19 Ground 20 STEP#
21 Ground 22 Write Data#
23 Ground 24 Write Gate#
25 Ground 26 Track 00#
27 Ground 28 Write Protect#
29 Ground 30 Read Data#
31 Ground 32 Side 1 Select#
33 Ground 34 Diskette Change#