SUPER MICRO Computer Quick Reference X7DBU/X7DGU, Jumper, Description Default Setting

		Chapter 1: Introduction
Jumper	Quick Reference ( X7DBU/X7DGU)
	Description	Default Setting
JBT1	CMOS Clear	See Chapter 2
JI2C1 (J27)	SMBBus to PCI-X/PCI-E Slots	Off (Disabled)
JI2C2 (J28)	SMBBus to PCI-X/PCI-E Slots	Off (Disabled)
JPG1	VGA Enable	Pins 1-2	(Enabled)
JPL1/ JPL2	GLAN1/GLAN2 Enable	Pins 1-2	(Enabled)
JWD	Watch Dog	Pins 1-2	(Reset)

Connector	Description
ATX PWR (JPW1)	Primary 20-Pin ATX PWR Connector
Aux. PWR/CPU PWR	+12V 4-pin PWR (JWP2)/+12V 8-pin PWR(JPW3)
UIO PWR (J11)	Power Connector for the Universal IO slots
Buzzer (SP1)	Internal Speaker
Chassis Intrusion (JL1)	Chassis Intrusion Header
COM1/COM2	COM1(JCOM1)/COM2(JCOM2) Serial Port Connectors
DIMM#1A-DIMM#4B	Memory DDR2 Fully Buffered (FBD) Slots
FAN 1-8	Fans 1-6 (System Fans), Fans 7-8: CPU Fans
	(Fans 1-4: 3-pin Fans, Fans 5-8: 4-pin Fans)
Floppy (J22)	Floppy Disk Drive Connector
FP CTRL (JF1)	Front Control Panel Connector
GLAN 1/2 (JLAN1/2)	G-bit Ethernet Ports
IDE#1 (JIDE1)	IDE#1 Hard Drive
Keylock (JK1)	Keylock Header
OH LED (JOH1)	Overheat LED Indicator
PCI-X (J14)	PCI-X 133MHz Slot (*See Note 7 on Page 1-4)
PWR LED/SPKR (JD1)	PWR LED(pins1-3)/Speaker Header (pins 4-7)
PWR SMB (J17)	Power System Management (I2C) Header
SATA0-SATA5	Intel SATA 0-5 Connectors
SGPIO1/2 (J29, J30)	Serial General Purpose Input/Output Headers
SIMSO	SIM SO-DIMM IPMI Slot
SMB (J18)	System Management Bus Header
SXB1 (J5)	PCI-Exp x16 slot (*See Note 7 on Page 1-4)
SXB2 (J9)	PCI-Exp x8 slot (*See Note 7 on Page 1-4)
UID (SW1)	Rear Unit Identification Switch
USB 0/1	Back Panel USB Ports 0/1
USB 2/3,USB4	Front Panel USB Connectors 2/3, FP USB Connector 4
VGA (J15) (Note)	VGA Connector
WOL (JWOL1)	Wake-on-LAN Header
WOR (JWOR1)	Wake-on-Ring Header

LE Indicators	Description
LE1		Onboard Power LED Indicator
LE2		Unit Identification (UID) LED Indicator

Note: The X7DGU model is for OEM only.

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