Intel® 800 Series Chipset Family Platform Controller Hub (PCH), Volume 2
| ID | Date | Version | Classification |
|---|---|---|---|
| 834576 | 10/10/2024 | 001 | Public |
GSX Channel-0 Test Mode (GSX_C0TM) – Offset 374
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:13 | 0h | RO | Reserved (RSVD_0) Reserved |
| 12 | 0h | RW | Bit-bang GSXSRESET# (BBGSXSRESETB) This bit allows software to directly bit bang the GSXSRESET#. |
| 11 | 0h | RW | Bit-bang GSXSLOAD (BBGSXSLOAD) This bit allows software to directly bit bang the GSXSLOAD. |
| 10 | 0h | RW | Bit-bang GSXSDOUT (BBGSXSDOUT) This bit allows software to directly bit bang the GSXSDOUT. |
| 9 | 0h | RW | Bit-bang GSXSCLK (BBGSCLK) This bit allows software to directly bit bang the GSXSCLK. |
| 8 | 0h | RW | Bit-bang Enable (BBE) When this bit is '1', the bit-bang mode is enable and the CxTM.BBGSXS* register bits are directly controlling the GSX pins. |
| 7:1 | 0h | RW | Reserved (Reserved1) Reserved |
| 0 | 0h | RW | Alternate SCLK Rate (ALTSCLK) This test mode allows slower toggle rate of the GSX channel. |