82NM10 Datasheet, PDF (647/671 Pages) Intel Corporation – Intel® NM10 Family Express Chipset

PCI Express* Configuration Registers
19.1.46 RPDCGEN - Root Port Dynamic Clock Gating Enable
(PCI Express-D28:F0/F1/F2/F3) (Netbook Only)
Address Offset: E1h
Default Value: 00h
Attribute:
Size:
R/W
8-bits
Bits
Description
7:4 Reserved. RO
3 Shared Resource Dynamic Link Clock Gating Enable (SRDLCGEN) — RW.
0 = Disables dynamic clock gating of the shared resource link clock domain.
1 = Enables dynamic clock gating on the root port shared resource link clock domain.
Only the value from Port 1 is used for ports 1–4.
2 Shared Resource Dynamic Backbone Clock Gate Enable (SRDBCGEN) — RW.
0 = Disables dynamic clock gating of the shared resource backbone clock domain.
1 = Enables dynamic clock gating on the root port shared resource backbone clock
domain.
Only the value from Port 1 is used for ports 1–4.
1 Root Port Dynamic Link Clock Gate Enable (RPDLCGEN) — RW.
0 = Disables dynamic clock gating of the root port link clock domain.
1 = Enables dynamic clock gating on the root port link clock domain.
0 Root Port Dynamic Backbone Clock Gate Enable (RPDBCGEN) — RW.
0 = Disables dynamic clock gating of the root port backbone clock domain.
1 = Enables dynamic clock gating on the root port backbone clock domain.
19.1.47 IPWS—Intel^® PRO/Wireless 3945ABG Status
(PCI Express—D28:F0/F1/F2/F3) (Netbook Only)
Address Offset: E2h–E3h
Default Value: 0007h
Attribute:
Size:
RO
16 bits
Bit
Description
15
14:0
Intel PRO/Wireless 3945ABG Status (IPWSTAT) — RO. This bit is set if the link
has trained to L0 in Intel PRO/Wireless 3945ABG mode.
Reserved
19.1.48 VCH—Virtual Channel Capability Header Register
(PCI Express—D28:F0/F1/F2/F3)
Address Offset: 100h–103h
Default Value: 18010002h
Attribute:
Size:
RO
32 bits
Bit
Description
31:20 Next Capability Offset (NCO) — RO. This field indicates the next item in the list.
19:16 Capability Version (CV) — RO. This field indicates that this is version 1 of the
capability structure by the PCI SIG.
15:0 Capability ID (CID) — RO. This field indicates that this is the Virtual Channel
capability item.
Datasheet
647