2 AIMB-780 Startup Manual
The board has a number of jumpers that allow you to con-
figure your system to suit your application. The table below
lists the function of each jumper and connector.
Connector / Jumper List
Label Function
JWDT1 Watchdog Reset
FDD1 FDD connector
LPT1
Parallel port, Parallel port x 1, supports
SPP/ EPP/ECP mode
LAN1_USB12 LAN1 / USB port 1, 2
LAN2_USB34 LAN2 / USB port 3, 4
VGA1 VGA connector
DVI11 DVI Connector
COM1
COM2
COM4
Serial port: RS-232
COM3
Serial port: COM3; RS-232/422/485
(9-pin connector)
JSETCOM3 COM3 RS-232/422/485 Jumper Setting
KBMS1 PS/2 Keyboard and Mouse connector
KBMS2 External Keyboard connector (6-pin)
JIR1 Infrared connector
JFP3
Keyboard Lock and Power LED
Suspend: Fast ash (ATX/ AT)
System On: ON (ATX/ AT)
System Off: OFF (AT)
System Off: Slow ash (ATX)
JFP2
External speaker / SATA HDD LED con-
nector / SM Bus connector
JFP1 Power Switch / Reset connector
JCASE1 Case Open
PSON1 AT(1-2) / ATX(2-3)
VOLT1 Voltage Display
JOBS1
Close: Enable OBS Alarm
Open: Disable OBS Alarm
CPUFAN1 CPU FAN connector (4-pin)
SYSFAN1 System FAN connector (4-pin)
SYYFAN2
System FAN connector (4-pin) (4-pin)
LANLED1 LAN1/2 LED extension connector
AUDIO1 Audio connector
FPAUD1 HD Audio Front Panel Pin Header
USB56 USB port 5, 6
USB78 USB port 7, 8
USB910 USB port 9, 10
USB1112 USB port 11,12
USB1314 USB port 13,14
SATA1 Serial ATA1
SATA2 Serial ATA2
SATA3 Serial ATA3
SATA4 Serial ATA4
SATA5 Serial ATA5
SATA6 Serial ATA6
ATX12V1
ATX 12V Auxiliary power connector
(for CPU)
EATXPWR1
ATX 24 Pin Main power connector
(for System)
SPDIF_OUT1 SPDIF Audio out pin header
SPI_CN1 SPI ash card pin header
JCMOS1
CMOS and ME clear
JCMOS1: CMOS and ME clear function
Pins
Result
1-2 Keep CMOS and ME data*
2-3
Clear CMOS and ME data
*: Default
Jumpers and Connectors
Keep CMOS data Clear CMOS data
Jumpers and Connectors