Intel® 800 Series Chipset Family Platform Controller Hub (PCH)
Datasheet, Volume 1 of 2
Functional Description
PCIe Controller Feature | PCH-S Controllers |
---|---|
[6:1] | |
L1 Sub-States (L1.0, L1.1, L1.2) | Yes |
L0s Link State (RX/TX) | No |
S3/S4/S5 Sleep States (Sx) | Yes |
Common Clock Mode | Yes |
Separate Reference Clock with Independent SSC (SRIS) | No |
Separate Reference Clock with No SSC (SRNS) | No |
Precision Time Management (PTM) | Yes |
Advanced Error Reporting (AER) | Yes |
End-to-End Lane Reversal | Yes |
Latency Tolerance Reporting (LTR) | Yes |
PCIe TX Half Swing | No |
PCIe TX Full Swing | Yes |
Run Time D3 (RTD3) | Yes |
Access Control Services (ACS) | Yes |
Alternative Routing-ID Interpretation (ARI) | Yes |
Port 80h Decode | Yes |
Lane Polarity Inversion | Yes |
PCIe Controller Root Port Hot-Plug | Yes |
Downstream Port Containment (DPC) | No |
Enhanced Downstream Port Containment (eDPC) | No |
Virtual Channel (VC) | 0 |
NVMe Cycle Router | No |
Volume Management Device (Intel® VMD) | Yes |
RAID[0, 1, 5, 10] Mode Support1,2,3 | See PCH SKU details in Introduction section |
PCIe Controller (PC) Root Port (RP) Peer-2-Peer (P2P) Mem Write Transactions | RPs between and within PCH PC1/2/3/4/5/6 = No RPs between Processor PC and PCH PC1/2/3/4/5/6 = No |
PCIe Controller (PC) Root Port (RP) Peer-2-Peer (P2P) Mem Read Transactions | No |
PCIe Controller (PC) Root Port (RP) Peer-2-Peer (P2P) MCTP VDM Transactions | RPs between and within PCH PC1/2/3/4/5/6 = Yes RPs between Processor PC and PCH PC1/2/3/4/5/6 = Yes |
PCIe Root Port Initiated Dynamic Width Change | No |
PCIe Root Port Initiated Dynamic Speed Change | Yes |
End Point Device Initiated Dynamic Width Change | Yes |
End Point Device Initiated Dynamic Speed Change | Yes |
Flattening Portal Bridge (FPB) | No |
- No restrictions on PCIe Controller. PCIe RAID is expected to work across all Root Ports within a PCIe Controller and between Root Ports from different PCIe Controllers (Processor and PCH).
- No RAID support between PCIe and SATA storage devices.
- The Intel® Rapid Storage Technology (RST) does not restrict RAID modes so if any unsupported RAID mode is enabled it is up to the motherboard designer to validate any non-supported RAID mode.