Datasheet
Chapter 2: Installation
2-25
Intro
d
®
JLAN1
S
UPER X7DB8+
Fan1
8-pin PWR
FP Ctrl
SPK
PW LED
JOH1
Fan3
IDE1
Floppy
BIOS
320 SCSI Channel A
Fan4
SATA3
SATA5
USB2/3
SMB
PCI-X 100 MHz ZCR
PCI-X 133 MHz
JWD
Battery
LAN
PCI-Exp x8
North Bridge
VGA
COM1
Fan5
ATX PWR
4-Pin
PWR
Parrallel
Port
24-Pin
JPG1
SCSI CTRL
PXH
CPU1
CPU2
South
Bridge
Fan7
JAR
Fan2
Compact
Flash
LE1
Fan8
JCF1
JWF1
JPA2
JPA3
JPA1
320 SCSI Channel B
SATA2
SATA4
SATA1
SATA0
JL1
JK1
Slot1
Slot2
Slot3
PCI-X 133 MHz
Slot4
JPL1
JPL2
Slot5
PCI-Exp x4
Slot6
PCI-Exp x8
SEPC
SIMLP IPMI
Slot7
DIMM 4B (Bank 4)
DIMM 4C (Bank 4)
J7
JBT1
USB4
JWOR
JCOM2
Fan6
DIMM 4A (Bank 4)
DIMM 4D (Bank 4)
DIMM 3B (Bank 3)
DIMM 3C (Bank 3)
DIMM 3A (Bank 3)
DIMM 3D (Bank 3)
DIMM 2B (Bank 2)
DIMM 2C (Bank 2)
DIMM 2A (Bank 2)
DIMM 2D (Bank 2)
DIMM 1B (Bank 1)
DIMM 1C (Bank 1)
DIMM 1A (Bank 1)
DIMM 1D (Bank 1)
JUSB3
DA2
JWOL
JP1
CTRL
VGA
S I/O
DA1
KB/
Mouse
USB0/1
GLAN1
GLAN2
PWRSMB
PWR
Fault
3rd PWR
Detect
CTRL
SGPIO1
SGPIO2
J28
J27
CMOS Clear
JBT1 is used to clear CMOS. Instead of pins, this "jumper" consists of contact
pads to prevent the accidental clearing of CMOS. To clear CMOS, use a metal
object such as a small screwdriver to touch both pads at the same time to short
the connection. Always remove the AC power cord from the system before clear-
ing CMOS. Note: For an ATX power supply, you must completely shut down the
system, remove the AC power cord and then short JBT1 to clear CMOS.
A
B
A. Clear CMOS
B. Watch Dog Enable
Watch Dog Enable/Disable
Watch Dog is a system monitor that can reboot
the system when a software application hangs.
Close Pins 1-2 to reset the system if an ap-
plication hangs. Close Pins 2-3 to generate a
non-maskable interrupt signal for the application
that hangs. See the table on the right for jumper
settings. Watch Dog must also be enabled in the
BIOS.
Watch Dog
Jumper Settings (JWD)
Jumper Setting Defi nition
Pins 1-2 Reset
(*default)
Pins 2-3 NMI
Open Disabled