Intel® Core™ Ultra Series 3 Processors CFG and MEM Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 872351 | 04/14/2026 | 001 | Public |
Group Capabilities (GRPCAP) – Offset 30
Group Capabilities
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 63:19 | 0h | RO | Reserved |
| 18 | 1h | RO/V | Descriptors in Progress Limit Supported (DIPLS) 0: The Descriptors in Progress Limit and Batch Descriptors in Progress Limit fields in GRPFLAGS are reserved. |
| 17 | 0h | RO/V | Global Bandwidth Token Limit Supported (GBTLS) 0: The Global Read Buffer Limit field of GENCFG and the Use Global Read Buffer Limit field in GRPCFG are reserved. |
| 16 | 0h | RO/V | Bandwidth Tokens Supported (BWTKNSUPP) 0: The Read Buffers Allowed and Read Buffers Reserved fields in GRPCFG are read-only and are unused. The value in the Total Read Buffers field is undefined. |
| 15:8 | 0h | RO/V | Total Bandwidth Tokens (TOTBWTKN) Indicates the total number of Read Buffers available. See #341204 chapter 4 for information on the meaning of this field. |
| 7:0 | 4h | RO/V | Number of Groups (NUMGRP) Number of Groups |