Intel® 400 Series Chipset On-Package Platform Controller Hub
Online Register Database
ID | Date | Version | Classification |
---|---|---|---|
615146 | 08/09/2019 | 1.2 | Public |
ME Virtual Channel (VCm) Resource Control (VMCTL) – Offset 2040
Offset 2040h: VMCTL ME Virtual Channel (VCm) Resource Control
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
31 | 0b | RW/L | Virtual Channel Enable (EN) Enables the VC when set. Disables the VC when cleared. |
30:28 | - | - | Reserved
|
27:24 | 0h | RW/L | Virtual Channel Identifier (ID) Indicates the ID to use for this virtual channel.Note: BIOS is required to program VCID[3] to 0 when operating at DMI2. |
23:16 | - | - | Reserved
|
15:10 | 00h | RW/L | Extended TC/VC Map (ETVM) Defines the upper 8-bits of the VCm 16-bit TC/VC mapping registers. These registers use the PCI Express reserved TC[3] traffic class bit. |
9:8 | - | - | Reserved
|
7:1 | 00h | RW/L | Transaction Class / Virtual Channel Map (TVM) Indicates which transaction classes are mapped to this virtual channel. When a bit is set, this transaction class is mapped to the virtual channel. |
0 | - | - | Reserved
|