Intel® 400 Series Chipset On-Package Platform Controller Hub
Online Register Database
| ID | Date | Version | Classification |
|---|---|---|---|
| 615146 | 08/09/2019 | 1.2 | Public |
Virtual Channel 1 Resource Control (V1CTL) – Offset 2020
| 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 VC1 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
|