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Jumpers and Connectors
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
ATXPWR1
ATX12V1
ATX12V2
BH2
BIOS_SKT1
BMC_CN1, BMC_CN2 IPMI module header
CN1
COM2
CPUFAN0, CPUFAN1
DIMMA1, DIMMA2,
DIMMB1, DIMMB2,
DIMMC1, DIMMC2,
DIMMD1, DIMMD2,
DIMME1, DIMME2,
DIMMF1. DIMMF2
DIMMG1, DIMMG2,
DIMMH1, DIMMH2,
DIMMI1, DIMMI2,
DIMMJ1, DIMMJ2,
DIMMK1, DIMMK2,
DIMML1. DIMML2
DIMMC1, DIMMF1,
DIMMI1, DIMML1
EX_THR1
GPIO1
HDAUD1
JFP1, JFP2, JFP3
KBMS1
LAN1_USB3_12
LAN2_USB3_34
LANLED1
LPC2
M2_2280_1
PCIEX16_SLOT1
PCIEX16_SLOT2
PCIEX16_SLOT3
2 ASMB-935 Startup Manual
Function
ATX 24 Pin main power connector
Processor power connector
(for CPU0)
Processor power connector(for
CPU1)
For optional battery kit
BIOS ROM
CPLD code update header
Serial port RS-232
CPU FAN connector
DDR4 slot from CPU0
DDR4 slot from CPU1
DDR4 slot supporting AEP
memory
Connector for external thermistor
GPIO connector
Audio header
Front panel header
External keyboard and mouse
connector (6 pin)
RJ-45 LAN port 1 + USB 3.0 port
1/2 connector
RJ-45 LAN port 2 + USB 3.0 port
3/4 connector
LAN LED extension connector
TPM connector
M.2 2280 (PCIe & SATA signal)
PCIE x16 slot (CPU1)
PCIE x16 slot (CPU1)
PCIE x16 slot (CPU0)
Jumpers and Connectors (Cont.)
PCIEX8_SLOT4
PCIEX16_SLOT5
PCIEX16_SLOT6
PCN1
PEHP1
PMBUS1
SATA0~SATA7
SGPIO1
Slot12V1
SMBUS1
SPI_CN1
SPI_SKT1
sSATA0, sSATA1
SYS_LED1
SYSFAN0~SYSFAN4
USB2_78, USB2_910
USB2_11
USB3_56
VGA1_COM1
VOLT1
VROC1
Jumper List
Label
Function
JCASE1
Chassis case open alarm header
JCMOS1
CMOS clear
JME1
ME update
Internal (deault pin1-2) or external
JTHR_SEL
(pin2-3) thermistor selection
JWDT1
Watch dog reset
PSON1
AT(1-2) / ATX(2-3)
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
1
2
3
Keep CMOS data/Disable ME update
PCIE x8 slot (CPU0)
PCIE x16 slot (CPU1)
PCIE x16 slot (CPU0)
CPU power code update header
CPU SMBUS header
PMBUS connector to
communicate with power supply
Serial ATA0~7
sSATA SGPIO header
For PCIe slot 12V input only
SMBus header
Connector for BIOS update tool
EC EEPROM
sSATA port 0~1
System LED connector
System FAN connector
USB 2.0 port 7, 8, 9, 10 (9-pin
header)
USB 2.0 port 11 (Type-A)
USB 3.0 port 5,6 (20-pin header)
VGA and COM connector
Alarm board power connector
Intel Virtual RAID (VROC) key
1
2
3
Clear CMOS data/Enable ME update
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