AC97: AUDIO daughterboard connector
(11)
Connector type: 2.00mm pitch 1x9 box wafer
connector.
Pin Description
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.
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.
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.
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 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.
Pin Description Pin Description
1 Power LED+ 2 PWRBTN+
3 GND 4 PWRBTN-
5 GND 6 RESET+
7 HDD LED+ 8 RESET-
9 HDD LED- 10 SPEAKER+
11 SMB_CLK 12 SPEAKER+
13 SMB_DATA 14
SPEAKER-
15 GND 16 SPEAKER-