Chapter 2: Installation
2-19
DIMM A
KB/Mouse
JPL1
COM1
USB1,2,3,4
VGA
24-Pin ATX PWR
LAN1
LAN2
Fan5
Super I/O
North Bridge
Intel 946GZ
LAN CTRL
DIMM B
JPL2
LAN CTRL
Slot 6 PCI-E. x4 (in x8 slot)
Slot 6 Expansion PCI-33 MHz
Slot 5 PCI-33 MHz
JI
2
C2
JI
2
C1
JWOR
SPKR
COM2
Buzzer
JWD
WOL
BIOS
USB 5
USB 6
USB 7,8
I-SATA0
I-SATA1
I-SATA2
I-SATA3
JBT1
IDE
Fan4
JL1
Fan3
Fan2
Floppy
FP
Control
ICH7R
South Bridge
Battery
Processor
Fan1
8-pin PWR
LE2
LE4
LE3
JP3
PDSBM-LN1/LN2
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 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 ap-
plication hangs. Close Pins 2-3 to generate a
non-maskable interrupt signal for the application
that hangs. Watch Dog must also be enabled in
the BIOS. If this jumper is set to Disabled, the
Watch Dog Settings listed in the BIOS will be
ignored. The functionality of WD will be com-
pletely disabled. See the table on the right for
jumper settings.
Watch Dog
Jumper Settings (JWD)
Jumper Setting Defi nition
Pins 1-2
Reset
(*default)
Pins 2-3
NMI
Open
Disabled
Содержание PDSBM-LN1
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