13
3.9 Floppy Disk Drive Connector
The HS-6238 uses a standard 34-pin header connector,
FDC1
, for
floppy disk drive connection. A total of two FDD drives may be
connected to
FDC1
at any given time.
FDC1: FDD Connector
PIN
Description
PIN
Description
1
GND
2
RWC-
3
GND
4
N/C
5
GND
6
DS1-
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
WD-
23
GND
24
WE-
25
GND
26
Track 0#
27
GND
28
WP-
29
N/C
30
RDATA-
31
GND
32
HEAD-
33
N/C
34
DSKCHG-
34
33
1
2
u
3.10 Serial Port Connectors
The HS-6238 offers two NS16C550 compatible UARTs with
Read/Receive 16-byte FIFO serial ports.
CN18, CN17, CN15 and CN16: COM1/COM2/COM3/COM4
Connectors (5x2 Header)
PIN Description PIN Description
1
DCD
2
DSR
3
RXD
4
RTX
5
TXD
6
CTX
7
DTR
8
RI
9
GND
10
N/C
2
4
6
8
10
1
3
5
7
9
Summary of Contents for HS-6238
Page 6: ......
Page 10: ...4 1 3 Board Dimensions ...
Page 14: ...8 3 2 Board Layout ...