Chapter 2: Installation
2-25
GLAN1
®
JLAN1
S
UPER X7DB8/E
GLAN2
Fan
1
8-pin PWR
FP Ctrl
SPK
PW LED
JOH1
Fan3
IDE1
Floppy
BIOS
320 SCSI Channel A
Fan4
SATA1
SATA0
USB2/3
SMB
PCI-X 100 MHz ZCR
PCI-X 133 MHz
JWD
Battery
VGA
PCI-Exp x8
North Bridge
VGA
COM1
USB0/1
KB/
Mouse
Fan6 Fan5
ATX PWR
4-Pin
PWR
J3P
Parrallel
Port
24-Pin
JPG1
SCSI CTRL
CPU1
CPU2
South
Bridge
PXH
DIMM 1A (Bank 1)
Fan7
JAR
PSF
Fan
2
C
ompact
Flash
LE1
Fan8
JCF1
JWF1
JP
A
2
JP
A
3
JPA1
320 SCSI Channel B
SATA3
SATA2
SATA4
SATA5
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 1B (Bank 1)
DIMM 2A (Bank 2)
DIMM 2B (Bank 2)
DIMM 3A (Bank 3)
DIMM 3B (Bank 3)
DIMM 4A (Bank 4)
DIMM 4B (Bank 4)
JBT1
USB4
JWOR
JCOM2
DA2
WOL
DA
1
S I/O
JP1
LAN
CTRL
J27
J28
SGPIO1
SGPIO2
SMB PS
CTRL
J7
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 con-
nection. Always remove the AC power cord from the system before clearing 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 applica-
tion hangs. Close Pins 2-3 to generate a non-
maskable interrupt signal for the application that
is hung up. 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
Содержание X7DB8
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