W83L786R/ W83L786G
Publication Release Date: March 06
  - 38 -
Revision0.8
8.36 Tolerance of Temperature Register - Index 8Dh
Power on default [7:0] = 0011, 0011 b
For Thermal Cruise mode
BIT
NAME
READ/WRITE
DESCRIPTION
7-4    TOL_T1[3:0]
Read/Write
Tolerance of Fan 2 Target Temperatures (Temp1).
Only for Thermal Cruise mode.
3-0    TOL_T0[3:0]
Read/Write
Tolerance of Fan 1 Target Temperature (Temp0).
Only for Thermal Cruise mode.
For Smart FAN II Mode
BIT
NAME
READ/WRITE
DESCRIPTION
7-4    TOL_T1[3:0]
Read/Write
Tolerance of Fan 2 Temperatures (Temp1). Only for 
SMART FAN
TM
 II Mode.
3-0    TOL_T0[3:0]
Read/Write
Tolerance of Fan 1 Temperature (Temp0). Only for 
SMART FAN
TM
 II Mode.
8.37 FAN 2D/3D state Control Register - Index 8Eh
At SMART FAN
TM
 II Mode, FAN will be controlled by 2D/3D mode after writing 2Dh/3Dh to CR8A
8.38 FAN Pre-Scale Register - Index 8Fh
Power on default [7:0] = 0010, 0010 b
BIT
NAME
READ/WRITE
DESCRIPTION
7     PWM2_CLK_SEL
Read/Write
PWM Input Clock Select of Fan 2. This bit
select FAN input clock to pre-scale divider.
<0> - 1.44MHz
<1> - 180KHz
6-4
PWM2_CLK_DIV
[2:0]
Read/Write
FAN 2 PWM Input Clock divider.
<000> - divider is 1
<001> - divider is 2
<010> - divider is 4
<011> - divider is 8
<100> - divider is 16
<101> - divider is 32
<110> - divider is 64
<111> - divider is 128
3     PWM1_CLK_SEL
Read/Write
PWM Input Clock Select of Fan 1. This bit
select FAN input clock to pre-scale divider.
<0h> - 1.44MHz
<1h> - 180KHz
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