w83l784r Winbond Electronics Corp America, w83l784r Datasheet - Page 37

• Manufacturer Part Number: w83l784r
• Description: Winbond H/w Monitoring Ic
• Manufacturer: Winbond Electronics Corp America

7.20 CPUT1/CPUT2 Thermal Sensor Type Register -- Index 53h
Power on default [7:0] = 0000-0000 b
7.21 Misc Control Register -- Index 54h
Power on default [7:0] = 0000-0000 b
7-4
3-2
1-0
7-3
Bit
Bit
2
1
0
Confidential, For Beta-site Only
Reserved
T3_TYPE[1:0]
T2_TYPE[1:0]
Reserved
SWP_FAN2_PWM
Reserved
EN_VBAT_MNT
N a m e
N a m e
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Reserved
ReadWrite
Read/Write
Read/Write
power PMOS gate to control FAN ON/OFF.
Reserved.
Temperature sensor 3 (CPU T2) type.
0x - Thermistor (10K @ 25 degree C, B=3435).
10 - 2N3904 transistor.
11 - Intel thermal diode.
Temperature sensor 2 (CPU T1) type.
0x - Thermistor (10K @ 25 degree C, B=3435)
10 - 2N3904 transistor
11 - Intel thermal diode.
Reserved.
Swap CPUT2 PWM to internal temperature sensor
PWM Control. Write this bit set to 1, FAN2 PWM PWM
control will refer to internal temperature senesor.
Reserved
Write 1, enable battery voltage monitor. Write 0,
disable battery voltage monitor. (VIN4/VBAT)
-36 -
Description
Description
Publication Release Date: Sep.
W83L784R
Preliminary
Revision 0.54
1999