F81866A
Auto FAN1 and FAN2 Boundary Hystersis Select Register ⎯ Index 98h
Bit
Name
R/W Reset Default
Description
Boundary hysteresis. (0~15ºC)
7-4
FAN2_HYS
R/W
4h
4h
Segment will change when the temperature over the boundary
temperature and below the (boundary – hysteresis).
Boundary hysteresis. (0~15ºC)
5VSB
3-0
FAN1_HYS
R/W 5VSB
Segment will change when the temperature over the boundary
temperature and below the (boundary – hysteresis).
Auto FAN3 Boundary Hystersis Select Register ⎯ Index 99h
Bit
Name
R/W Reset Default
Description
7-4
Reserved
-
-
Reserved.
-
Boundary hysteresis. (0~15ºC)
3-0
FAN3_HYS
R/W 5VSB
2h
Segment will change when the temperature over the boundary
temperature and below the (boundary – hysteresis).
Fan3 Control Register ⎯ Index 9Ah
Bit
Name
R/W Reset Default
Description
7
Reserved
-
-
Reserved.
-
This bit and FAN3_PWM_FREQ_SEL are used to select FAN3 PWM
frequency. NEW_FREQ_SEL3 = { FREQ_SEL_ADD3,
FAN3_PWM_FREQ_SEL}
6
FREQ_SEL_ADD3
R/W 5VSB
0
00: 23.5 KHz
01: 11.75 KHz
10: 5.875 KHz
11: 220 Hz
This bit and FAN2_PWM_FREQ_SEL are used to select FAN2 PWM
frequency. NEW_FREQ_SEL2 = { FREQ_SEL_ADD2,
FAN2_PWM_FREQ_SEL}
00: 23.5 KHz
5
FREQ_SEL_ADD2
R/W 5VSB
0
01: 11.75 KHz
10: 5.875 KHz
11: 220 Hz
70
Jan, 2012
V0. 12P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
