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AP440FX Motherboard Technical Product Specification
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The pinout listing for the soft-off power supply connector of the AP440FX motherboard is shown
in Table 15. This 3-pin, keyed position supports a software-controlled power supply shutoff (soft-
off). When connected to this position, the power supply follows remote on/off commands.
Table 15. Soft-Off Power Supply Connector (J9F1)
Pin Name Function
1 +5 VSB +5 Volts Standby
2 PS_ON Remote On/Off
3 PS_COM Supply presence
1.12.7 Floppy/IDE Connectors
Table 16 lists the pinout and signal names for the floppy drive connector.
Table 16. Floppy Drive Connector (J8L1)
Pin Signal Name Pin Signal Name
1 Ground 2 DENSEL
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 MSEN1 18 DIR#
19 Ground 20 STEP#
21 Ground 22 Write Data#
23 Ground 24 Write Gate#
25 Ground 26 Track 00#
27 MSEN0 28 Write Protect#
29 Ground 30 Read Data#
31 Ground 32 Side 1 Select#
33 Ground 34 Diskette Change#