Intel® 400 Series Chipset On-Package Platform Controller Hub
Online Register Database
Global Capabilities (GCAP) – Offset 0
This register resides in Primary well, and reset by platform reset.
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
15:12 | 9h | RW/L | Number of Output Streams Supported (OSS) 0100b indicates that the Intel HD Audio controller supports four output streams. Locked when FNCFG.BCLD = 1. |
11:8 | 7h | RW/L | Number of Input Streams Supported (ISS) 0100b indicates that the Intel HD Audio controller supports four input streams. Locked when FNCFG.BCLD = 1. |
7:3 | 0h | RO | Number of Bidirectional Streams Supported (BSS) 00000b indicates that the Intel HD Audio controller supports 0 bidirectional streams. |
2:1 | 0h | RW/L | Number of Serial Data Out Signals (NSDO) 00b indicates that the Intel HD Audio controller supports one Serial Data Output signal. |
0 | 1b | RW/L | 64 Bit Address Supported (ADD64OK) A 1 indicates that the Intel HD Audio controller supports 64 bit addressing for BDL |