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INSTALLATIONS
ATX1: ATX Power Supply Connector
Signal Name Pin # Pin # Signal Name
3.3V 13 1 3.3V
-12V 14 2 3.3V
Ground 15 3 Ground
PS-ON 16 4 +5V
Ground 17 5 Ground
Ground 18 6 +5V
Ground 19 7 Ground
-5V 20 8 Power good
+5V 21 9 5VSB
+5V 22 10 +12V
+5V 23 11 +12V
Ground 24 12 +3.3V
FDD1: Floppy Drive Connector
FDD1is a slim 26-pin connector and will support up to 1.44MB FDD.
Signal Name Pin # Pin # Signal Name
VCC 1 2 INDEX
VCC 3 4 DRV_SEL
VCC 5 6 DSK_CH
NC 7 8 NC
NC 9 10 MOTOR
NC 11 12 DIR
NC 13 14 STEP
GND 15 16 WDATA
GND 17 18 WGATE
GND 19 20 TRACK
NC 21 22 WPROT
GND 23 24 RDATA
GND 25 26 SIDE
14 MB865 User’s Manual