2 ASMB-823I 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 of the jumpers and
connectors.
Connectors
Label
Function
ATXPWR1
ATX 24 Pin main power connector
ATX12V1
Processor power connector
(for CPU0)
ATX12V2
Processor power connector(for
CPU1)
SLOT12V1
For PCIe slot 12V input only
SATA0~SATA4
sSATA0~sSATA3
Serial ATA0~4, Slave serial
ATA0~3
USB6_7
USB 2.0 header 6, 7
USB10
USB 2.0 port 10 (Type-A)
USB0_1, USB2_3,
USB4_5
USB 3.0 port 0, 1, 4, 5; USB 3.0
port 2, 3 (20-pin header)
SLOT1
PCIE x8 slot (x4 link) (PCH)
SLOT2
PCIE x16 slot (CPU1)
SLOT3
PCIE x8 slot (CPU1)
SLOT4
PCIE x16 slot (CPU0)
SLOT5
PCIE x16 slot (CPU1)
SLOT6
PCIE x16 slot (CPU0)
SLOT7
PCIE x8 slot (CPU0)
DIMMA1, DIMMA2,
DIMMB1, DIMMG1,
DIMMG2, DIMMH1
DDR4 slot
CPUFAN0,CPUFAN1
CPU FAN connector
SYSFAN0,SYSFAN1,
SYSFAN2
System FAN connector
LAN1,LAN2
RJ-45 LAN connector
VGA1
VGA connector
KBMS2
External keyboard and mouse
connector (6 pin)
BIOS1
BIOS SPI ROM
LANLED1
LAN LED extension connector
SYS_LED1
System LED connector
SMBUS1
SMBus header
BMC1, BMC2
IPMI module header
SGPIO1, SGPIO2
SATA SGPIO header
Jumpers and Connectors
Jumpers and Connectors
JCASE1
Chassis case open alarm header
HDAUD1
Audio header
COM2
Serial port: RS-232
JFP1, JFP2, JFP3
Front panel header
GPIO1
GPIO connector
PMBUS1
PMBUS connector
VOLT1
Voltage monitoring connector for
Intelligent System module
EX_THR1
Connector for external thermistor
SPI_CN1
Connector for BIOS update tool
LPC1
TPM connector
Jumper list
Label
Function
JCMOS1
CMOS clear
JME1
ME update
JCMOS1/JME1: CMOS clear/ME update function
Closed pins
Result
1-2
Keep CMOS data/Disable ME update*
2-3
Clear CMOS data/Enable ME update
*: Default
Keep CMOS data/Disable ME update Clear CMOS data/Enable ME update
JFP1, JFP2
Pin.3
#PWR_SW
Pin.6
GND
Pin.9
#RST_SW
Pin.12
GND
Pin.8, Pin.11
HWM_SMB_DATA, HWM_SMB_CLK
*Power button pin is located in Pin 3 & 6 of front panel
connector
1
2
3
1
2
3
Installation Note
3 6 9 12
PWRSW
RESET
HDDLED
SNMP
JFP1
&
1(+) 4 7 10(-)
HDDLED
SM_BUS
SPEAKER
JPF2
&
PWRLED & KEYLOCK
1(+) 2 3(-) 4 5
JFP3
2(+) 5(-) 8 11
