13th Generation Intel® Core™ Processors Datasheet, Volume 2 of 2
| ID | Date | Version | Classification |
|---|---|---|---|
| 767624 | 07/13/2023 | Public |
D6:F0 PCI Express* Controller Registers Registers
This chapter documents the registers of the processor PCIe Gen4 Controller device
| Offset | Size (Bytes) | Register Name (Register Symbol) | Default Value |
|---|---|---|---|
| 0h | 4 | 00008086h | |
| 4h | 2 | 0000h | |
| 6h | 2 | 0010h | |
| 8h | 4 | 060400F0h | |
| ch | 1 | 00h | |
| dh | 1 | 00h | |
| eh | 1 | 81h | |
| 10h | 4 | 00000000h | |
| 14h | 4 | 00000000h | |
| 18h | 4 | 00000000h | |
| 1ch | 2 | 0000h | |
| 1eh | 2 | 0000h | |
| 20h | 4 | 00000000h | |
| 24h | 4 | 00010001h | |
| 28h | 4 | 00000000h | |
| 2ch | 4 | 00000000h | |
| 34h | 1 | 40h | |
| 3ch | 1 | 00h | |
| 3dh | 1 | 01h | |
| 3eh | 2 | 0000h | |
| 40h | 2 | 8010h | |
| 42h | 2 | 0042h | |
| 44h | 4 | 00008001h | |
| 48h | 2 | 0020h | |
| 4ah | 2 | 0010h | |
| 4ch | 4 | 01714C10h | |
| 50h | 2 | 0000h | |
| 52h | 2 | 1011h | |
| 54h | 4 | 00040060h | |
| 58h | 2 | 0000h | |
| 5ah | 2 | 0000h | |
| 5ch | 2 | 0000h | |
| 5eh | 2 | 0000h | |
| 60h | 4 | 00000000h | |
| 64h | 4 | 00B80837h | |
| 68h | 2 | 0000h | |
| 6ah | 2 | 0000h | |
| 6ch | 4 | 0180000Eh | |
| 70h | 2 | 0001h | |
| 72h | 2 | 0000h | |
| 74h | 4 | 00000000h | |
| 78h | 2 | 0000h | |
| 7ah | 2 | 0000h | |
| 80h | 2 | 9005h | |
| 82h | 2 | 0080h | |
| 84h | 4 | 00000000h | |
| 88h | 4 | 00000000h | |
| 8ch | 2 | 0000h | |
| 98h | 2 | A00Dh | |
| 9ch | 4 | 00000000h | |
| a0h | 2 | 0001h | |
| a2h | 2 | C803h | |
| a4h | 4 | 00000008h | |
| 100h | 4 | 00000000h | |
| 104h | 4 | 00000000h | |
| 108h | 4 | 00000000h | |
| 10ch | 4 | 00060010h | |
| 110h | 4 | 00000000h | |
| 114h | 4 | 00002000h | |
| 118h | 4 | 00000000h | |
| 11ch | 4 | 00000000h | |
| 120h | 4 | 00000000h | |
| 124h | 4 | 00000000h | |
| 128h | 4 | 00000000h | |
| 12ch | 4 | 00000000h | |
| 130h | 4 | 00000000h | |
| 134h | 4 | 00000000h | |
| 138h | 4 | 00000000h | |
| 13ch | 4 | 00000000h | |
| 140h | 4 | 00000000h | |
| 144h | 4 | 00000000h | |
| 150h | 4 | 00000000h | |
| 154h | 4 | 00000410h | |
| 158h | 4 | 00000000h | |
| 200h | 4 | 00000000h | |
| 204h | 4 | 0028281Fh | |
| 208h | 4 | 00000000h | |
| 20ch | 4 | 00000028h | |
| 220h | 4 | 00000000h | |
| 224h | 2 | 001Fh | |
| 226h | 2 | 0000h | |
| 284h | 4 | 00000000h | |
| 288h | 4 | 00000000h | |
| 28ch | 2 | 0000h | |
| 28eh | 2 | 0000h | |
| 290h | 4 | 00000000h | |
| 294h | 4 | 80000001h | |
| 29ah | 2 | 0000h | |
| 29ch | 4 | 00000000h | |
| 2a0h | 4 | 00000000h | |
| 2a6h | 2 | 0000h | |
| a00h | 4 | 00000000h | |
| a04h | 2 | 14E0h | |
| a06h | 2 | 0000h | |
| a08h | 2 | 1F00h | |
| a0ah | 2 | 0000h | |
| a0ch | 4 | 00000000h | |
| a10h | 4 | 00070707h | |
| a14h | 4 | 00000000h | |
| a18h | 4 | 00000000h | |
| a1ch | 4 | 00000000h | |
| a20h | 4 | 00000000h | |
| a24h | 4 | 00000000h | |
| a28h | 4 | 00000000h | |
| a2ch | 4 | 00000000h | |
| a30h | 4 | 00000000h | |
| a34h | 4 | 00000000h | |
| a38h | 4 | 00000000h | |
| a3ch | 4 | 7F7F7F7Fh | |
| a40h | 4 | 7F7F7F7Fh | |
| a44h | 4 | 7F7F7F7Fh | |
| a48h | 4 | 7F7F7F7Fh | |
| a4ch | 4 | 7F7F7F7Fh | |
| a50h | 4 | 7F7F7F7Fh | |
| a54h | 4 | 7F7F7F7Fh | |
| a58h | 4 | 7F7F7F7Fh | |
| a90h | 4 | 00000000h | |
| a94h | 4 | 80000001h | |
| a98h | 4 | 00000000h | |
| a9ch | 4 | Physical Layer 16.0 GT/s Extended Capability Header (PL16GECH) | 00000000h |
| aa0h | 4 | 00000000h | |
| aa4h | 4 | 00000000h | |
| aa8h | 4 | 00000000h | |
| aach | 4 | Physical Layer 16.0 GT/s Local Data Parity Mismatch Status (PL16LDPMS) | 00000000h |
| ab0h | 4 | Physical Layer 16.0 GT/s First Retimer Data Parity Mismatch Status (PL16FRDPMS) | 00000000h |
| ab4h | 4 | Physical Layer 16.0 GT/s Second Retimer Data Parity Mismatch Status (PL16SRDPMS) | 00000000h |
| ab8h | 4 | 00000000h | |
| abch | 2 | Physical Layer 16.0 GT/s Lane 01 Equalization Control (PL16L01EC) | FFFFh |
| abeh | 2 | Physical Layer 16.0 GT/s Lane 23 Equalization Control (PL16L23EC) | FFFFh |
| ac0h | 2 | Physical Layer 16.0 GT/s Lane 45 Equalization Control (PL16L45EC) | FFFFh |
| ac2h | 2 | Physical Layer 16.0 GT/s Lane 67 Equalization Control (PL16L67EC) | FFFFh |
| ac4h | 2 | Physical Layer 16.0 GT/s Lane 89 Equalization Control (PL16L89EC) | FFFFh |
| ac6h | 2 | Physical Layer 16.0 GT/s Lane 1011 Equalization Control (PL16L1011EC) | FFFFh |
| ac8h | 2 | Physical Layer 16.0 GT/s Lane 1213 Equalization Control (PL16L1213EC) | FFFFh |
| acah | 2 | Physical Layer 16.0 GT/s Lane 1415 Equalization Control (PL16L1415EC) | FFFFh |
| adch | 4 | 0000002Ah | |
| ae0h | 4 | 00000100h | |
| ae4h | 4 | 00000002h | |
| ae8h | 4 | 00000000h | |
| aech | 4 | 00000000h | |
| af0h | 4 | 00000000h | |
| af4h | 4 | 00000000h | |
| af8h | 4 | 00000000h | |
| afch | 4 | FFFFFFFFh | |
| b00h | 4 | FFFFFFFFh | |
| b04h | 4 | FFFFFFFFh | |
| b08h | 4 | 32.0 GT/s Lane 12131415 Equalization Control (G5LANEEQCTL_12) | FFFFFFFFh |
| b0ch | 4 | 0000002Bh | |
| b10h | 4 | 00000000h | |
| b14h | 4 | 000000FFh | |
| b18h | 4 | FFFF0000h | |
| b1ch | 4 | 00000000h | |
| b20h | 4 | 00000001h | |
| c00h | 4 | 00000000h | |
| c04h | 2 | 0000h | |
| c06h | 2 | 0000h | |
| c08h | 4 | 00000000h | |
| c0ch | 4 | 00000000h | |
| c10h | 4 | 00000000h | |
| c18h | 4 | 00000000h | |
| c20h | 4 | 00000000h | |
| c28h | 4 | 00000000h | |
| c2ch | 4 | 00000000h | |
| c70h | 4 | 00000001h | |
| c74h | 4 | VNN Removal Save And Restore Hardware Contexts 1 (VNNRSNRC1) | 00000000h |
| edch | 4 | Physical Layer 16.0 GT/s Margining Extended Capability Header (PL16MECH) | 00010027h |
| ee0h | 2 | Physical Layer 16.0 GT/s Margining Port Capabilities and Port Status Byte 0 & 1 (PL16MPCPSB01) | 0000h |
| ee2h | 2 | Physical Layer 16.0 GT/s Margining Port Capabilities and Port Status Byte 2 & 3 (PL16MPCPSB23) | 0000h |
| ee4h | 4 | Physical Layer 16.0 GT/s Lane0 Margin Control and Status (PL16L0MCS) | 00009C38h |
| ee8h | 4 | Physical Layer 16.0 GT/s Lane1 Margin Control and Status (PL16L1MCS) | 00009C38h |
| eech | 4 | Physical Layer 16.0 GT/s Lane2 Margin Control and Status (PL16L2MCS) | 00009C38h |
| ef0h | 4 | Physical Layer 16.0 GT/s Lane3 Margin Control and Status (PL16L3MCS) | 00009C38h |
| ef4h | 4 | Physical Layer 16.0 GT/s Lane4 Margin Control and Status (PL16L4MCS) | 00009C38h |
| ef8h | 4 | Physical Layer 16.0 GT/s Lane5 Margin Control and Status (PL16L5MCS) | 00009C38h |
| efch | 4 | Physical Layer 16.0 GT/s Lane6 Margin Control and Status (PL16L6MCS) | 00009C38h |
| f00h | 4 | Physical Layer 16.0 GT/s Lane7 Margin Control and Status (PL16L7MCS) | 00009C38h |
| f04h | 4 | Physical Layer 16.0 GT/s Lane8 Margin Control and Status (PL16L8MCS) | 00009C38h |
| f08h | 4 | Physical Layer 16.0 GT/s Lane9 Margin Control and Status (PL16L9MCS) | 00009C38h |
| f0ch | 4 | Physical Layer 16.0 GT/s Lane10 Margin Control and Status (PL16L10MCS) | 00009C38h |
| f10h | 4 | Physical Layer 16.0 GT/s Lane11 Margin Control and Status (PL16L11MCS) | 00009C38h |
| f14h | 4 | Physical Layer 16.0 GT/s Lane12 Margin Control and Status (PL16L12MCS) | 00009C38h |
| f18h | 4 | Physical Layer 16.0 GT/s Lane13 Margin Control and Status (PL16L13MCS) | 00009C38h |
| f1ch | 4 | Physical Layer 16.0 GT/s Lane14 Margin Control and Status (PL16L14MCS) | 00009C38h |
| f20h | 4 | Physical Layer 16.0 GT/s Lane15 Margin Control and Status (PL16L15MCS) | 00009C38h |