ICS932S805C
K8 Clock Chip for Serverworks HT2100 Servers
11
IDT
®
K8 Clock Chip for Serverworks HT2100 Servers 1131D – 05/04/10
SMBus Table: CPU/SRC Spread Spectrum Control Register
Pin # Name Control Function T
e0 1PWD
Bit 7
Reserved Reserved R - - 0
Bit 6
SSP14 RW X
Bit 5
SSP13 RW X
Bit 4
SSP12 RW X
Bit 3
SSP11 RW X
Bit 2
SSP10 RW X
Bit 1
SSP9 RW X
Bit 0
SSP8 RW X
SMBus Table: SRC Spread Spectrum Control Register
Pin # Name Control Function T
e0 1PWD
Bit 7
Reserved Reserved R - - 0
Bit 6
Reserved Reserved R - - 0
Bit 5
Reserved Reserved R - - 0
Bit 4
Reserved Reserved R - - 0
Bit 3
Reserved Reserved R - - 0
Bit 2
Reserved Reserved R - - 0
Bit 1
Reserved Reserved R - - 0
Bit 0
Reserved Reserved R - - 0
SMBus Table: Programmable Output Divider Register
Pin # Name Control Function T
e0 1PWD
Bit 7
CPUDiv3 RW X
Bit 6
CPUDiv2 RW X
Bit 5
CPUDiv1 RW X
Bit 4
CPUDiv0 RW X
Bit 3
Reserved Reserved R - - 0
Bit 2
Reserved Reserved R - - 0
Bit 1
Reserved Reserved R - - 0
Bit 0
Reserved Reserved R - - 0
SMBus Table: Programmable Output Divider Register
Pin # Name Control Function T
e0 1PWD
Bit 7
33MHzDiv3 RW X
Bit 6
33MHzDiv2 RW X
Bit 5
33MHzDiv1 RW X
Bit 4
33MHzDiv0 RW X
Bit 3
SRC_Div3 RW X
Bit 2
SRC_Div2 RW X
Bit 1
SRC_Div1 RW X
Bit 0
SRC_Div0 RW X
SMBusTable: Reserved Regsiter
Byte 21 is reserved do not write this register!
-
-
-
-
B
te 18
B
te 18
-
-
-
-
-
-
-
-
-
B
te 19
-
-
-
-
-
-
-
-
-
-
B
te 20
-
-
-
-
-
-
-
-
-
33MHz Divider Ratio Programming
Bits
33MHz Divider Ratio Table
See CPU Divider Ratios
Table
Spread Spectrum Programming
bit(14:8)
SRC Divider Ratio Table
CPU Divider Ratio Programming Bits
SRC_ Divider Ratio Programming Bits
These Spread Spectrum bits
in Byte 17 and 18 will
program the spread
pecentage of CPU and SRC
outputs.