RG82855GMESL72L Datasheet, PDF (103/213 Pages) Intel Corporation – Intel® 855GM/855GME Chipset Graphics and Memory Controller Hub (GMCH)

Register Description
R
Bit
27:24
23:20
Description
Read Counter Based Power Throttle Control (RCTC): These bits select the Counter based Power
Throttle Bandwidth Limits for Read operations to system memory.
R/W, RO if Throttle Lock.
0h = 85%
1h = 70%
2h = 65%
3h = 60%
4h = 55%
5h = 50%
6h = 45%
7h = 40%
8h = 35%
9h = 30%
Ah = 20%
B-Fh = Reserved
Write Counter Based Power Throttle Control (WCTC): These bits select the counter based Power
Throttle Bandwidth Limits for Write operations to system memory.
R/W, RO if Throttle Lock
0h = 85%
1h = 70%
2h = 65%
3h = 60%
4h = 55%
5h = 50%
6h = 45%
7h = 40%
8h = 35%
9h = 30%
Ah = 20%
B-Fh = Reserved
Datasheet
103