82801FB Datasheet, PDF (358/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family

LPC Interface Bridge Registers (D31:F0)
10.1.24
FWH_SEL2—Firmware Hub Select 2 Register
(LPC I/F—D31:F0)
Offset Address: D4h–D5h
Default Value: 4567h
Attribute:
Size:
R/W
16 bits
Bit
Description
15:12
11:8
7:4
3:0
FWH_70_IDSEL — R/W. IDSEL for two, 1-M Firmware Hub memory ranges.
The IDSEL programmed in this field addresses the following memory ranges:
FF70 0000h – FF7F FFFFh
FF30 0000h – FF3F FFFFh
FWH_60_IDSEL — R/W. IDSEL for two, 1-M Firmware Hub memory ranges.
The IDSEL programmed in this field addresses the following memory ranges:
FF60 0000h – FF6F FFFFh
FF20 0000h – FF2F FFFFh
FWH_50_IDSEL — R/W. IDSEL for two, 1-M Firmware Hub memory ranges.
The IDSEL programmed in this field addresses the following memory ranges:
FF50 0000h – FF5F FFFFh
FF10 0000h – FF1F FFFFh
FWH_40_IDSEL — R/W. IDSEL for two, 1-M Firmware Hub memory ranges.
The IDSEL programmed in this field addresses the following memory ranges:
FF40 0000h – FF4F FFFFh
FF00 0000h – FF0F FFFFh
358
Intel^® I/O Controller Hub 6 (ICH6) Family Datasheet