Floppy Drive Connector (Cn9); Parallel Port 1 & 2 (Cn10, 21) - Aaeon MB-662 User Manual

Floppy Drive Connector (CN9)

(FPC) Floppy Drive Connector (CN9)
Pin Signal
1 Vcc
3 Vcc
5 Vcc
7 N/C
9 DENSITY SELECT
11 N/C
13 Vcc
15 GND
17 GND
19 GND
21 GND
23 GND
25 GND
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).
Pin Signal
2 INDEX
4 DRIVE SELECT 2
6 DISK CHANGE
8 Vcc
10 MOTOR 0
12 DIRECTION
14 STEP
16 WRITE DATA
18 WRITE GATE
20 TRACK 0
22 WRITE PROTECT
24 READ DATA
26 HEAD SELECT
Chapter 2 Installation 29