SIS5595 Datasheet, PDF (170/216 Pages) List of Unclassifed Manufacturers – Pentium PCI System I/O Chipset

SiS5595 PCI System I/O Chipset
Index Address 47h Fan Divisor Register
Default Value:
50h
Access:
Read/Write
BIT
ACCESS
DESCRIPTION
7:6
R/W FAN2 RPM Control
00 : divide by 1, applied for 8800rpm
01 : divide by 2, applied for 4400rpm
10 : divide by 4, applied for 2200rpm
11 : divide by 8, applied for 1100rpm
5:4
R/W FAN1 RPM Control
00 : divide by 1, applied for 8800rpm
01 : divide by 2, applied for 4400rpm
10 : divide by 4, applied for 2200rpm
11 : divide by 8, applied for 1100rpm
3:0
R/W Reserved
Index Address 48h Reserved
Index Address 20h/60h
VIN0 Reading Register
Default Value:
00h
Access:
Read Only
BIT
ACCESS
DESCRIPTION
7:0
RO The Reading of VIN0
Index Address 21h/61h
VIN1 Reading Register
Default Value:
00h
Access:
Read Only
BIT
ACCESS
DESCRIPTION
7:0
RO The Reading of VIN1
Index Address 22h/62h
VIN2 Reading Register
Default Value:
00h
Access:
Read Only
BIT
ACCESS
DESCRIPTION
7:0
RO The Reading of VIN2
Preliminary V2.0 Nov. 2, 1998
164 Silicon Integrated Systems Corporation