ECS H11H4-I Manual page 17

COM3~6 : Onboard serial port header
Connect a serial port extension bracket to this header to add a second serial port to
your system.
Pin Signal Name
1 C3_DCD
2 C3_DSR
3 C3_RXD
4 C3_RTS
5 C3_TXD
6 C3_CTS
7 C3_DTR
8 C3_RI
9 Ground
10 Ground
11 C4_DCD
12 C4_DSR
13 C4_RXD
14 C4_RTS
15 C4_TXD
16 C4_CTS
17 C4_DTR
18 C4_RI
19 Ground
20 Ground
LPT: Onboard parallel port header
This is a header that can be used to connect to the printer, scanner or other devices.
Pin Signal Name
1 STROBE
2 PD0
3 PD1
4 PD2
5 PD3
6 PD4
7 PD5
8 PD6
9 PD7
10 ACK
11 BUSY
12 PE
13 SLCT
Pin
14
15
16
17
18
19
20
21
22
23
24
25
26
Installing the Motherboard
Pin Signal Name
21 C5_DCD
22 C5_DSR
23
C5_RXD
24
C5_RTS
25
C5_TXD
26
C5_CTS
27
C5_DTR
28
C5_RI
29
Ground
30
Ground
31
C6_DCD
32
C6_DSR
33
C6_RXD
34
C6_RTS
35
C6_TXD
36
C6_CTS
37
C6_DTR
38
C6_RI
39
Ground
40
Ground
Signal Name
AUTOF
ERROR
INIT
SLCTIN
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
No pin
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