Datasheet

Datasheet, Volume 2 63
Processor Integrated I/O (IIO) Configuration Registers
9:4 RWO 010000b
Maximum Link Width
This field indicates the maximum width of the given PCI Express Link
attached to the port.
001000 = x8
010000 = x16
000100 = Reserved
Others = Reserved
This is left as a RWO register for BIOS to update based on the platform
usage of the links.
3:0 RWO
Dev 3,5: See
description
Dev 3,5: See
description
Dev 0: 0001b
Maximum Link Speeds Supported
Integrated I/O supports both 2.5 Gbps and 5 Gbps speeds
0001b = 2.5 GT/s support only
0010b = 2.5 GT/s and 5.0GT/s support
(Sheet 2 of 2)
Register: LNKCAP
Device: 0 (DMI), 3,5 (PCIe)
Function: 0
Offset: 9Ch
Bit Attr Default Description