Chapter 2: Installation
2-19
Error LED (CPU Overheat
LED)
Connect an LED cable to the Error
LED connection on pins 9 and 10 of
JF1 to provide warnings when the
CPU temperature exceeds a pre-de-
fi ned overheat temperature threshold.
When the CPU temperature reaches
this overheat threshold, the CPU
activates THERMTRIP# signals, the
system shuts down and the Error LED
starts to blink. Refer to the table on the
right for pin defi nitions.
Error LED
Pin Defi nitions (JF1)
Pin# Defi nition
9
P3V3SB
10
Error LED
Message LED (CPU Fan
Failure/Chassis Fan Failure/
CPU Overheat LED)
The Message LED connection is lo-
cated on pins 7 and 8 of JF1. Connect
a cable to pins 7 and 8 to provide a
warning (-slow blinking) in an event of
CPU Fan Failure, Chassis Fan Failure
or CPU Overheat. Refer to the table
on the right for pin defi nitions.
Message LED
Pin Defi nitions (JF1)
Pin# Defi nition
7
P3V3
8
Message LED
1
11
10
20
Pin 1: PWR LED (A)
Pin 2: PWR LED (A)
Pin 3: Ground
Pin 4: HDD LED (A)
Pin 5: HDD LED (C)
Pin 7: Message LED (A)
Pin 8: Message LED (C)
Pin 9: Error LED (A)
Pin 10: Error LED (C)
Pin 11: PWR Switch
Pin 12: Ground
Pin 13: Reset Switch
Pin 14: Ground
Pin 15: Non-Override PWR Switch
Pin 16: Ground
Pin 17: Ground
Pin 18: +5V Standby
(Reserved)
Pin 19: +3.3 Standby
(Reserved)
Pin 20: Beep
Pin 6: +3.3 Standby
(Reserved)
A
B
A. Error LED
B. Message LED
JDIMM1
JS
P
KR
1
JS2
JS1
JCMOS1
J17
FAN1
FAN2
DP1
J6
JDIMM2
J5
JIDE1
JF1
JCOM2
J12
J11
JPS1
4-Pin PWR
South Bridge
North Bridge
Audio
CTRL
mPGA478 SOCKET
PDSLM
SATA2
CPU
SO
-D
IM
M
-A (D
IMM
S
lot 1)
IDE
COM-A&CRT
KB/MO
USE
CPU Fan
Chassis Fan
SATA0
COM-B
USB 2/3
SO-D
IM
M
-B (D
IM
M S
lot 2)
External PWR
Front Panel Control
Battery
BIOS
Buzzer
Super I/O
ICH7M
945GME
LAN
CTRL
Intel
Intel
Intel
J3
LAN/USB 0&1
J7
AUD
IO JAC
K
Line-Out
J8
JPCI1
PCI 33MHZ
Содержание PDSLM
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