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AC97: AUDIO daughterboard connector
(11)
Connector type: 2.00mm pitch 1x9 box wafer
connector.
Pin
Description
1
2
3
4
5
6
7
8
9
1
+12V
2
+3.3V
3
AC_SYNC
4
AC_SDOUT
5
GND
6
AC-BCLK
7
GND
8
AC_RST#
9
AC_SDIN0
USB2, 3: USB Connectors (12, 13)
Connector type: 2.00mm pitch 2x5-pin headers.
Pin
Desc.
Pin
Desc.
10
9
1
2
1
+5V
2
+5V
3
USBD-
4
USBD-
5
USBD+
6
USBD+
7
GND
8
GND
9
N/C
10
N/C (Key)
COM1~4: RS-232 Connectors (14,15,18,19)
Connector type: 2.00mm pitch 2x5 box-pin headers.
Pin
Desc.
Pin
Desc.
9
1
2
10
1
DCD#
2
RXD
3
TXD
4
DTR#
5
GND
6
DSR#
7
RTS#
8
CTS#
9
RI#
10 N/C
USB1: Double Stacks USB type A
Connector (16)
Connector type: double stacks USB type A connector.
USB
USB
1 2 3 4
1 2 3 4
LAN1: Ethernet RJ-45 Connector (17)
LAN1 supports 10/100/1000 Mbps Fast Ethernet
Connector type: RJ-45
SYSF1: CPU Fan Connector (9)
SYSF1 is a 3-pin headers for the CPU fan. The fan
must be a +12V fan.
Pin
Description
1
2
3
1
GND
2
+12V
3
FAN_Detect
JFRT1: Switches and Indicators (10)
It provides connectors for system indicators that
provides light indication of the computer activities and
switches to change the computer status.
Connector type: 2.54mm pitch 2x8-pin headers.
1
2
16
15
Pin
Description
Pin
Description
1
Power LED+
2
3
GND
4
PWRBTN-
5
GND
6
RESET+
7
HDD LED+
8
RESET-
9
HDD LED-
10
11
SMB_CLK
12
13
SMB_DATA
14
SPEAKER-
15
GND
16
SPEAKER-
