2 AIMB-787 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
LPT1
Parallel port, supporting SPP/EPP/
ECP mode
LAN1 ~ LAN2
GbE LAN
USB3C1
USB 3.2 Gen 2 port *2
USB3C2
USB 3.2 Gen 1 port *2
USB3H1
USB 3.2 Gen 1 port *2
(20-pin header)
USB2C1
USB 2.0 port *4
USB2A1 ~
USB2A2
USB 2.0 port (internal Type-A)
USB2H2
USB 2.0 port *2 (10-pin header)
VGA1+DVI1
VGA connector / DVI-D connector
COM1+DP1
Serial port: RS-232 (DB-9 connec-
tor) / DP connector
COM2,
COM4 ~ COM6
Serial port: RS-232 (9-pin header)
COM3
Serial port: RS-232/422/485 (9-pin
header)
KBMS1
External keyboard/mouse connec-
tor (6-pin header)
CPUFAN1
CPU fan connector (4-pin)
SYSFAN1 ~
SYSFAN3
System fan connector (4-pin)
JFP3
Keyboard lock and power LED
Suspend: fast flash (ATX/AT)
System on: on (ATX/AT)
System off: off (ATX/AT)
JFP2
External speaker / HDD LED con-
nector / SMBus connector
JFP1
Power switch / reset connector
AUDIO2
Audio connector (Line Out, Mic In)
VOLT1
Alarm board power connector
JCASE1
Case open connector
LANLED1
Front panel LAN indicator con-
nector
NVME1
M.2 2280 M-key socket
SATA1 ~ SATA4
Serial ATA 3.0 port
PCI1 ~ PCI2
PCI slot
PCIE1
PCIe x16 slot (Gen 3 x16 link)
PCIE2 , PCIE4 ~
PCIE5
PCIe x4 slot (Gen 3 x4 link)
PCIE3
PCIe x4 slot (Gen 3 x1 link)
DIMMA1
Channel A DIMM1
DIMMA2
Channel A DIMM2
DIMMB1
Channel B DIMM1
DIMMB2
Channel B DIMM2
ATX12V1
ATX 12 V auxiliary power connec
-
tor (for CPU)
EATXPWR1
ATX 24-pin main power connector
(for system)
SPDIF_OUT1
SPDIF audio out pin header
GPIO1
8 bit GPIO from super I/O
SMBUS1
SMBus connector from PCH
FPAUD1
Front panel audio connector
LPC1
Low pin count connector
JCMOS1: CMOS clear
JME1: Intel ME update
Closed Pins
Result
1-2
*Keep CMOS data
*Enable ME update
2-3
Clear CMOS data
Disable ME update
* Default
*Keep CMOS data Clear CMOS data
*Enable ME update Disable ME update
JWDT1+JOBS1: Watchdog timer output and OBS alarm
Closed Pins
Result
2-4, 8-10
Watchdog timer disable (2-4)
OBS beep (8-10)
4-6, 8-10
*Watchdog timer reset (4-6)
OBS beep (8-10)
* Default
Watchdog timer disable (2-4) *Watchdog timer reset (4-6)
OBS beep (8-10) OBS beep (8-10)
1
2
3
1
2
3
Jumpers and Connectors
Jumpers and Connectors (Cont.)