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參數(shù)資料
| 型號： | LM94 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | TruTherTM Hardware Monitor with PI Loop Fan Control for Server Management |
| 中文描述： | TruTherTM硬件監(jiān)控的服務(wù)器管理與有價證券循環(huán)風(fēng)扇控制 |
| 文件頁數(shù)： | 6/24頁 |
| 文件大?。?/td> | 693K |
| 代理商： | LM94 |
9.0 Pin Descriptions
(Continued)
Symbol
REMOTE1
Pin #
19
Type
Remote Thermal
Diode_1- Input (CPU
1 THERMDC)
Function
This is the negative input (current sink) from both of the CPU1
thermal diodes. Connected to THERMDC pin of Pentium processor
or the emitter of a diode connected MMBT3904 NPN transistor.
Serves as the negative input into the A/D for thermal diode voltage
measurements. A 100 pF capacitor is optional and can be
connected between REMOTE1 and REMOTE1+.
This is a positive connection to the first CPU1 thermal diode. Serves
as the positive input into the A/D for thermal diode voltage
measurements. It also serves as a current source output that
forward biases the thermal diode. Connected to THERMDA pin of
Pentium processor or the base of a diode connected MMBT3904
NPN transistor. A 100 pF capacitor is optional and can be
connected between REMOTE1 and each REMOTE1+.
This is the negative input (current sink) from both of the CPU2
thermal diodes. Connected to THERMDC pins of Pentium processor
or the emitter of a diode connected MMBT3904 NPN transistor.
Serves as the negative input into the A/D for thermal diode voltage
measurements. A 100 pF capacitor is optional and can be
connected between REMOTE2 and each REMOTE2+.
This is a positive connection to the first CPU2 thermal diode. Serves
as the positive input into the A/D for thermal diode voltage
measurements. It also serves as a current source output that
forward biases the thermal diode. Connected to THERMDA pin of
Pentium processor or the base of a diode connected MMBT3904
NPN transistor. A 100 pF capacitor is optional and can be
connected between REMOTE2 and REMOTE2+.
Analog Input for +12V Rail 1 monitoring, for CPU1 voltage regulator.
External attenuation resistors required such that 12V is attenuated
to 0.927V for nominal
3
4
scale reading. This pin may also serve as
the second positive thermal diode input for CPU1.
Analog Input for +12V Rail 2 monitoring, for CPU2 voltage regulator.
External attenuation resistors required such that 12V is attenuated
to 0.927V for nominal
3
4
scale reading. This pin may also serve as
the second positive thermal diode input for CPU2.
Analog Input for +12V Rail 3, for Memory/3GIO slots. External
attenuation resistors required such that 12V is attenuated to 0.927V
for nominal
3
4
scale reading.
Analog input for 1.2V monitoring, nominal
3
4
scale reading
REMOTE1a+
20
Remote Thermal
Diode_1+ I/O (CPU1
THERMDA1)
REMOTE2
21
Remote Thermal
Diode_2 - Input
(CPU2 THERMDC)
REMOTE2a+
22
Remote Thermal
Diode_2 + I/O (CPU2
THERMDA1)
AD_IN1/REMOTE1b+
23
Analog Input (+12V1
or CPU1
THERMDA2)
AD_IN2/REMOTE2b+
24
Analog Input (+12V2
or CPU2
THERMDA2)
AD_IN3
25
Analog Input (+12V3)
AD_IN4
26
Analog Input
(FSB_Vtt)
Analog Input (3GIO /
PXH / MCH_Core)
Analog Input
(ICH_Core)
Analog Input
(CPU1_Vccp)
Analog Input
(CPU2_Vccp)
Analog Input (+3.3V)
Analog Input (+5V)
AD_IN5
27
Analog input for 1.5V monitoring, nominal
3
4
scale reading
AD_IN6
28
Analog input for 1.5V monitoring, nominal
3
4
scale reading
AD_IN7 (P1_Vccp)
29
Analog input for +Vccp (processor voltage) monitoring.
AD_IN8 (P2_Vccp)
30
Analog input for +Vccp (processor voltage) monitoring.
AD_IN9
AD_IN10
31
32
Analog input for +3.3V monitoring, nominal
3
4
scale reading
Analog input for +5V monitoring silver box supply monitoring,
nominal
3
4
scale reading
L
www.national.com
6
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