User`s manual

15
(8) Serial Port COM1: (DB9 Male)
COM1 is the 9-pin D-Subminiature male connector. The On-board serial port can
be disabled through BIOS SETUP. Please refer to Chapter 3 “INTEGRATED
PERIPHERALS SETUP” section for more detail information.
(9) Floppy drive Connector (34-pin block): FDD (CN17)
This connector supports the provided floppy drive ribbon cable. After connecting the
single plug end to motherboard, connect the two plugs at other end to the floppy
drives.
Floppy Drive Connector
Pin 1
FDD
Signal Pin Signal
GND 1 2 DRVDEN0#
GND 3 4 NC
GND 5 6 DRVDEN1#
GND 7 8 INDEX#
GND 9 10 MOA#
GND 11 12 DSB#
GND 13 14 DSA#
GND 15 16 MOB#
GND 17 18 DIR#
GND 19 20 STEP#
GND 21 22 WD#
GND 23 24 WE#
GND 25 26 TRAK0#
GND 27 28 WPT#
GND 29 30 RDATA#
GND 31 32 SIDE1#
GND 33 34 DSKCHG#