82801FB Datasheet, PDF (258/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family

Chipset Configuration Registers
7.1.26
7.1.27
7.1.28
LSTS—Link Status Register
Offset Address: 01AA–01ABh
Default Value: 0041h
Attribute:
Size:
RO
16-bit
Bit
15:10
9:4
3:0
Description
Reserved
Negotiated Link Width (NLW) — RO. Negotiated link width is x4 (000100b). ICH6-M may also
indicate x2 (000010b), depending on (G)MCH configuration.
Link Speed (LS) — RO. Link is 2.5 Gb/s.
CSIR5—Chipset Initialization Register 5
Offset Address: 0200–0203h
Default Value: 01100220h
Attribute:
Size:
R/W
32-bit
Bit
31:14
13:8
7:6
5:0
Description
Reserved
Chipset Initialization Register Bits[13:8] — R/W. BIOS programs this field to 100000b.
Reserved
Chipset Initialization Register Bits[5:0] — R/W. BIOS programs this field to 001000b.
CSIR6—Chipset Initialization Register 6
Offset Address: 020C–020Fh
Default Value: 00201004h
Attribute:
Size:
R/W
32-bit
Bit
31:22
21:16
15:14
13:8
7:6
5:0
Description
Reserved
Chipset Initialization Register Bits[21:16] — R/W. BIOS programs this field to 000100b.
Reserved
Chipset Initialization Register Bits[13:8] — R/W. BIOS programs this field to 000010b.
Reserved
Chipset Initialization Register Bits[5:0] — R/W. BIOS programs this field to 000001b.
258
Intel^® I/O Controller Hub 6 (ICH6) Family Datasheet