Specifications

Chapter 2 Installation 29
Floppy Drive Connector (CN9)
(FPC) Floppy Drive Connector (CN9)
Pin Signal Pin Signal
1 Vcc 2 INDEX
3 Vcc 4 DRIVE SELECT 2
5 Vcc 6 DISK CHANGE
7 N/C 8 Vcc
9 DENSITY SELECT 10 MOTOR 0
11 N/C 12 DIRECTION
13 Vcc 14 STEP
15 GND 16 WRITE DATA
17 GND 18 WRITE GATE
19 GND 20 TRACK 0
21 GND 22 WRITE PROTECT
23 GND 24 READ DATA
25 GND 26 HEAD SELECT
Parallel Port 1 Connector (CN10) and
Parallel Port 2 Connector (CN21)
The mainboard is designed to support two parallel ports. Port 1
connector (CN10) also designated as LPT1 is a standard 25-pin
D-sub connector specially prepared for external interface. And
port 2 connector (CN21) designated as LPT2 in the form of a 13x2
pin header connector for embedded connection purposes. Both
can be enabled and disabled in the BIOS system setup. For exam-
ple if LPT1 is disabled, LPT2 or LPT3 is enabled. And if LPT2 is
disabled, LPT1or LPT3 is enabled. The pin definitions for both
CN10 and CN21 are listed as follows: ( Please turn to next page).