Chapter 3
3 -
3
1
VCC
2
NC
3
IRRX
4
GND
5
IRTX
6
VCC
Controlled Fan Connector(FAN2, FAN3, FAN4)
PIN NUMBER
FUNCTION
+
FAN+
FAN
S
Speed
SPEED
Note1: FAN4 for CPU1 installed in SLOT1.
FAN3 for CPU2 installed in SLOT2.
FAN2 for other FAN.
Note2: Fan’s current should not be more
than 150 mA for FAN3 and FAN4,
and not be more than 300mA for FAN2
in +12V supply condition.
Standard Fan Connector (FAN1)
PIN NUMBER
FUNCTION
-
GND
+
+12V
NC
NC
Chassis Security (JP32):
Connected to the chassis’s
Open/Close
detecting switch. JP32
Close
means the chassis is close, while
Open
means it is open.
I/O Port and SLOT Description
I/O Port and SLOT Description
(See Figure 3-01)
(See Figure 3-01)
1 2 3 4 5 6
-
+
S
-
+
S
NC
+
-
IR1
FAN2
FAN2
FAN4
FAN3
FAN2 &
FAN4
- + S
- + S
FAN3
FAN1
JP32
DIMM
Содержание Legend-IV
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