Intel® 800 Series Chipset Family Platform Controller Hub (PCH), Volume 2
ID | Date | Version | Classification |
---|---|---|---|
834576 | 10/10/2024 | 001 | Public |
SLP S0 DEBUG REG1 (SLP_S0_DBG_1) – Offset 10b8
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
31:14 | 0h | RO | Reserved |
13 | 0h | RO/V | REF PLL OFF Status (REF_PLL_OFF_STS) This bit when 1 indicates that REF PLL is off |
12 | 0h | RO/V | CLKACK_STS (CLKACK_STS) This bit when 1 indicates that all CLKACKs have deasserted following graceful_park request from PMC |
11 | 0h | RO | Reserved |
10 | 0h | RO/V | PMC ROSC SWITCH status (PMC_ROSC_SWITCH_STS) This bit when 1 indicates that PMC has switched from fast to slow ring oscillator clock |
9 | 0h | RO/V | HPET XOSC CLKREQ status (HPET_XOSC_CLKREQ_STS) This bit when 1 indicates that HPETs crysal CLKREQ is requesting clock. |
8 | 0h | RO/V | AUDIO RING OSC status (AUDIO_ROSC_OFF_STS) This bit when 1 indicates that the audio ring oscillator is off. |
7 | 0h | RO/V | PCIe external CLKREQs deasserted (PCIE_CLKREQS_OFF_STS) This bit when 1 indicates that all external PCIe clock request pins are inactive |
6 | 0h | RO | Reserved |
5 | 0h | RO/V | Crystal OFF Status (XOSC_OFF_STS) This bit when 1 indicates that crystal oscillator has shut down . |
4 | 0h | RO/V | ISCLK Main PLL OFF Status (MAIN_PLL_OFF_STS) This bit when 1 indicates that main PLL is off |
3 | 0h | RO/V | ISCLK OCPLL OFF Status (OC_PLL_OFF_STS) This bit when 1 indicates that OC PLL is off |
2 | 0h | RO/V | Audio PLL OFF Status (AUDIO_PLL_OFF_STS) This bit when 1 indicates that Audio PLL is off |
1 | 0h | RO/V | USB2 PLL OFF Status (USB2_PLL_OFF_STS) This bit when 1 indicates that USB2 PLL is off |
0 | 0h | RO | Reserved |