AXIOMTEK SBC82400, Руководство пользователя

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SBC82400 ISA Half-Size CPU Board Series User’s Manual
Jumpers and Connectors 22
2.4.11 IrDA Connector: IR1
IR1 is a 5-pin IrDA connector for wireless communication.
IR1
N.C.
1
2
5
4
3
+5V
IRRX
GND
IRTX
2.4.12 Floppy Disk Controller: FDD1
The SBC82400 provides a 34-pin box-header connector, CN18 ,
for up to two floppy drives support. The floppy drives could be
any one of the following types: 5.25" 360KB/1.2MB and 3.5"
720KB/1.44MB/2.88MB.
FDD1: Floppy Disk Connector Pin Assignment
Pin Description Pin Description Pin Description
1 GND 2 Reduce write current 3 GND
4 No connector 5 GND 6 NC
7
GND
8
Index#
9
GND
10
Motor enable A#
11
GND
12
Drive select B#
13
GND
14
Drive select A#
15
GND
16
Motor enable B#
17
GND
18
Direction#
19
GND
20
STEP#
21
GND
22
Write data#
23
GND
24
Write gate#
25
GND
26
Track 0 #
27
GND
28 Write protect# 29 GND 30 Read data#
31 GND 32 Side 1 select# 33 GND
34
Disk change#