Intel® 400 Series Chipset On-Package Platform Controller Hub
Online Register Database
| ID | Date | Version | Classification |
|---|---|---|---|
| 615146 | 08/09/2019 | 1.2 | Public |
Capabilities Bypass Register II (Cap_byps_reg2) – Offset 818
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 30:27 | - | - | Reserved
|
| 26:21 | 20h | RW | Tuning Count Value (tuning_count_val) Configures the Number of Taps (Phases) of the rxclk_in that is supported. The Tuning State machine uses this information toselect one of the Taps (Phases) of the rxclk_in during the Tuning Procedure |
| 20 | 0h | RW | Tuning Disable (tuning_dis) Disable the 1.5x Tuning count when calculatingtotal tuning count. |
| 19 | - | - | Reserved
|
| 18 | 0h | RW | Driver Type D Support (driver_type_D) 1’b1 – Supported |
| 17 | 0h | RW | Driver Type C Support (driver_type_C) 1’b1 – Supported |
| 16 | 0h | RW | Driver Type A Support (driver_type_A) 1’b1 – Supported |
| 15 | - | - | Reserved
|
| 14 | 0h | RW | 8-bit Support for Embedded Device (support_8_bit_embedded) 1’b1 – Supported1’b0 – NOT Supported |
| 13:8 | - | - | Reserved
|
| 7:0 | C8h | RW | Base Clock Frequency for SD Clock (base_sd_clock)
|