Chapter 2: Installation
2-11
Fan Header
Pin Defi nitions
Pin# Defi nition
1
Ground
2
+12V
3
Tachometer
4
PWR Modulation
Fan Headers
This motherboard has eight fan headers
(Fan1 to Fan8). These 4-pin fans headers
are backward compatible with 3-pin fans.
However, fan speed control is available
for 4-pin fans only. The fan speeds are
controlled by the BIOS. See the table on the
right for pin defi nitions
Serial Ports
The COM1 serial port is located beside the
VGA port. Refer to the motherboard layout
for the location of the COM2 header. See the
table on the right for pin defi nitions.
Note:
NC indicates no connection.
Serial Port Pin Defi nitions
(COM1/COM2)
Pin # Defi nition
Pin # Defi nition
1
DCD
6
DSR
2
RXD
7
RTS
3
TXD
8
CTS
4
DTR
9
RI
5
Ground
10
NC
Power LED/Speaker
On the JD1 header, pins 1~3 are used for
power LED indication, and pins 4-7 are for
the speaker. See the tables on the right for
pin defi nitions. If you wish to use the onboard
speaker, you should close pins 6~7 with a
jumper. Connect a cable to pins 4~7 of JD1
to use an external speaker.
Speaker Connector
Pin Defi nitions
Pin Setting Defi nition
Pins 4~7
External Speaker
Pins 6~7
Internal Speaker
PWR LED Connector
Pin Defi nitions
Pin Setting Defi nition
Pin 1
Anode (+)
Pin2 Cathode
(-)
Pin3
NA
Chassis Intrusion
A Chassis Intrusion header is located at JL1.
Attach the appropriate cable to inform you of
a chassis intrusion.
Chassis Intrusion
Pin Defi nitions
(JL1)
Pin# Defi nition
1
Battery voltage
2
Intrusion signal
Summary of Contents for H8DG6
Page 1: ...H8DGi H8DGi F H8DG6 H8DG6 F USER S MANUAL Revision 1 1b SUPER...
Page 4: ...iv H8DG6 i F Serverboard User s Manual Notes...
Page 8: ...Notes viii H8DG6 i F Serverboard User s Manual...
Page 11: ...Chapter 1 Introduction 1 3 Figure 1 1 H8DG6 i F Image...
Page 22: ...1 14 H8DG6 i F Serverboard User s Manual Notes...
Page 70: ...A 2 H8DG6 i F Serverboard User s Manual Notes...