743844-015.pdf - 第141页

PCIe Controller Feature S/S Refresh/E/E Refresh /HX/HX Refresh - Processor Line H/H Refresh/PX - Processor Line P/U/U Refresh - Processor Line PEG10 PEG11 PEG60 PEG10 PEG60 PEG62 PEG60 PEG62 Advanced Error Reporting (AER…

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PCIe Controller
Feature
S/S Refresh/E/E Refresh /HX/HX
Refresh - Processor Line
H/H Refresh/PX - Processor
Line
P/U/U Refresh -
Processor Line
PEG10 PEG11 PEG60 PEG10 PEG60 PEG62 PEG60 PEG62
PCIe Gen Gen5 Gen5 Gen4 Gen5 (H)
Gen4
(PX)
Gen4 Gen4 Gen4 Gen4
dGPU support Yes Yes No Yes Yes Yes Yes [P],
Yes [U]
6
Yes [P],
Yes [U]
6
SSD support Yes Yes Yes Yes Yes Yes Yes Yes
Dynamic Width
Change Support
Yes Yes Yes Yes Yes Yes Yes Yes
Dynamic Speed
Change Support
No No No No No No No No
L1 PM Sub-States
(L1.0, L1.1, L1.2)
Yes Yes Yes Yes Yes Yes Yes Yes
L0s Link State
(RX/TX)
Yes Yes No Yes Yes Yes Yes Yes
S3/S4/S5 Sleep
States (Sx)
Yes Yes Yes Yes Yes Yes Yes Yes
Hierarchical
configuration
mechanism
Yes Yes Yes Yes Yes Yes Yes Yes
Traditional PCI
style traffic
(asynchronous
snooped, PCI
ordering)
Yes Yes Yes Yes Yes Yes Yes Yes
Extended
configuration
space
Yes Yes Yes Yes Yes Yes Yes Yes
Enhanced Access
Mechanism
4
Yes Yes Yes Yes Yes Yes Yes Yes
64-bit
downstream
address format
2
Yes Yes Yes Yes Yes Yes Yes Yes
64-bit upstream
address format
3
Yes Yes Yes Yes Yes Yes Yes Yes
Common Clock
Mode
Yes Yes Yes Yes Yes Yes Yes Yes
Separate
Reference Clock
with Independent
SSC (SRIS)
4
No No No No No No No No
Separate
Reference Clock
with No SSC
(SRNS)
No No No No No No No No
Precision Time
Measurement
(PTM)
Yes Yes Yes
1
Yes Yes
1
Yes
1
Yes
1
Yes
1
continued...
R
Intel
®
Core
™
, Xeon
™
6300 And Xeon
™
E 2400 Processors—PCIe* Interface
13
th
Generation Intel
®
Core
™
, Intel
®
Core
™
14
th
Generation, Intel
®
Core
™
Processor (Series 1) and (Series 2), Intel
®
Xeon
™
E
2400 Processor and Intel
®
Xeon
™
6300 Processor
Datasheet, Volume 1 of 2 May 2025
140 Doc. No.: 743844, Rev.: 015
PCIe Controller
Feature
S/S Refresh/E/E Refresh /HX/HX
Refresh - Processor Line
H/H Refresh/PX - Processor
Line
P/U/U Refresh -
Processor Line
PEG10 PEG11 PEG60 PEG10 PEG60 PEG62 PEG60 PEG62
Advanced Error
Reporting (AER)
Yes Yes Yes Yes Yes Yes Yes Yes
End-to-End Lane
Reversal
Yes Yes Yes Yes Yes Yes Yes Yes
Latency Tolerance
Reporting (LTR)
Yes Yes Yes Yes Yes Yes Yes Yes
PCIe TX Half
Swing
No No No No No No No No
PCIe TX Full
Swing
Yes Yes Yes Yes Yes Yes Yes Yes
Run Time D3
(RTD3)
Yes Yes Yes Yes Yes Yes Yes Yes
Modern Standby Yes Yes Yes Yes Yes Yes Yes Yes
MCTP VDM
tunneling
Yes Yes Yes Yes Yes Yes Yes Yes
Message Signaled
Interrupt (MSI)
messages
5
Yes Yes Yes Yes Yes Yes Yes Yes
Access Control
Services (ACS)
Yes Yes Yes Yes Yes Yes Yes Yes
Alternative
Routing-ID
Interpretation
(ARI)
Yes Yes Yes Yes Yes Yes Yes Yes
Port 80h Decode Yes Yes Yes Yes Yes Yes Yes Yes
Receive Lane
Polarity Inversion
Yes Yes Yes Yes Yes Yes Yes Yes
PCIe Controller
Root Port Hot-
Plug
No No No No No No No No
Downstream Port
Containment
(DPC)
Yes Yes Yes Yes Yes Yes Yes Yes
Enhanced
Downstream Port
Containment
(eDPC)
No No No No No No No No
Virtual Channel
(VC)
VC0 VC0 VC0/VC1 VC0 VC0/VC1 VC0/VC1 VC0/VC1 VC0/VC1
NVMe Cycle
Router
No No No No No No No No
Volume
Management
Device (Intel
®
VMD) Support
Yes Yes Yes Yes Yes Yes Yes Yes
Discrete Device
Support (M.2
1px2, 1px4)
Yes Yes Yes Yes Yes Yes Yes Yes
continued...
R
PCIe* Interface—Intel
®
Core
™
, Xeon
™
6300 And Xeon
™
E 2400 Processors
13
th
Generation Intel
®
Core
™
, Intel
®
Core
™
14
th
Generation, Intel
®
Core
™
Processor (Series 1) and (Series 2), Intel
®
Xeon
™
E
2400 Processor and Intel
®
Xeon
™
6300 Processor
May 2025 Datasheet, Volume 1 of 2
Doc. No.: 743844, Rev.: 015 141
PCIe Controller
Feature
S/S Refresh/E/E Refresh /HX/HX
Refresh - Processor Line
H/H Refresh/PX - Processor
Line
P/U/U Refresh -
Processor Line
PEG10 PEG11 PEG60 PEG10 PEG60 PEG62 PEG60 PEG62
Hybrid Dual Port
Module Support
(M.2 2px2)
No No No No No No No No
Peer-2-Peer (P2P)
Mem Write
Transactions
No No Yes No No Yes Yes Yes
Peer-2-Peer (P2P)
Mem Read
Transactions
No No No No No No No No
Peer-2-Peer (P2P)
MCTP
Transactions
Yes Yes Yes Yes Yes Yes Yes Yes
1. Byte order ECN not supported
2. 4096 GB limit (Bits 63:43 always zeros)
3. Processor responds to upstream read transactions to addresses above 4096 GB (addresses where any of Bits 63:43 are
non-zero) with an Unsupported Request response. Upstream write transactions to addresses above 4096 GB will be dropped
4. SRIS is enabled in PCH PCIe RP and not in CPU PCIe RP
5. Only MSI is supported, MSI-X is not supported (no need for many vector)
6. U/U Refresh dGPU is supported but not validated
• Hierarchical PCI-compliant configuration mechanism for downstream devices.
• Traditional PCI style traffic (asynchronous snooped, PCI ordering).
• PCI Express* extended configuration space. The first 256 bytes of configuration
space aliases directly to the PCI Compatibility configuration space. The remaining
portion of the fixed 4-KB block of memory-mapped space above that (starting at
100h) is known as extended configuration space.
• PCI Express* Enhanced Access Mechanism. Accessing the device configuration
space in a flat memory-mapped fashion.
• Automatic discovery, negotiation, and training of link out of reset.
• Multiple Virtual Channel for Gen 4 port only*.
• 64-bit downstream address format, but the processor never generates an address
above 4096 GB (Bits 63:43 will always be zeros).
• 64-bit upstream address format, but the processor responds to upstream read
transactions to addresses above 4096 GB (addresses where any of Bits 63:43 are
nonzero) with an Unsupported Request response. Upstream write transactions to
addresses above 4096 GB will be dropped.
• Re-issues Configuration cycles that have been previously completed with the
Configuration Retry status.
• PCI Express* reference clock is a 100-MHz differential clock.
• Power Management Event (PME) functions.
• Modern standby
• Dynamic width capability.
• Message Signaled Interrupt (MSI and MSI-X) messages.
• Lane reversal
• Advanced Error Reporting (AER)
R
Intel
®
Core
™
, Xeon
™
6300 And Xeon
™
E 2400 Processors—PCIe* Interface
13
th
Generation Intel
®
Core
™
, Intel
®
Core
™
14
th
Generation, Intel
®
Core
™
Processor (Series 1) and (Series 2), Intel
®
Xeon
™
E
2400 Processor and Intel
®
Xeon
™
6300 Processor
Datasheet, Volume 1 of 2 May 2025
142 Doc. No.: 743844, Rev.: 015