PCI Express* Configuration Registers
758 Datasheet
40h–41h CLIST Capabilities List 8010 RO
42h–43h XCAP PCI Express* Capabilities 0041 R/WO, RO
44h–47h DCAP Device Capabilities 00000FE0h RO
48h–49h DCTL Device Control 0000h R/W, RO
4Ah–4Bh DSTS Device Status 0010h R/WC, RO
4Ch–4Fh LCAP Link Capabilities
See bit
description
R/W, RO,
R/WO
50h–51h LCTL Link Control 0000h
R/W, WO,
RO
52h–53h LSTS Link Status
See bit
description
RO
54h–57h SLCAP Slot Capabilities Register 00000060h R/WO, RO
58h–59h SLCTL Slot Control 0000h R/W, RO
5Ah–5Bh SLSTS Slot Status 0000h R/WC, RO
5Ch–5Dh RCTL Root Control 0000h R/W
60h–63h RSTS Root Status 00000000h R/WC, RO
64h–67h DCAP2 Device Capabilities 2 Register 00000016h RO
68h–69h DCTL2 Device Control 2 Register 0000h R/W, RO
70h–71h LCTL2 Link Control 2 Register 0001h RO
80h–81h MID Message Signaled Interrupt Identifiers 9005h RO
82h–83h MC
Message Signaled Interrupt Message
Control
0000h R/W, RO
84h–87h MA
Message Signaled Interrupt Message
Address
00000000h R/W
88h–89h MD
Message Signaled Interrupt Message
Data
0000h R/W
90h–91h SVCAP Subsystem Vendor Capability A00Dh RO
94h–97h SVID Subsystem Vendor Identification 00000000h R/WO
A0h–A1h PMCAP Power Management Capability 0001h RO
A2h–A3h PMC PCI Power Management Capability C802h RO
A4h–A7h PMCS
PCI Power Management Control and
Status
00000000h R/W, RO
D4h–D7h MPC2 Miscellaneous Port Configuration 2 00000000h R/W, RO
D8h–DBh MPC Miscellaneous Port Configuration 08110000h R/W
DCh–DFh SMSCS SMI/SCI Status Register 00000000h R/WC
E1h RPDCGEN Rort Port Dynamic Clock Gating Enable 00h R/W
E8h–EBh PECR1 PCI Express Configuration Register 1 00000020h R/W
ECh–EFh PECR3 PCI Express Configuration Register 3 00000000h R/W, RO
11Ch–143h — Reserved — —
104h–107h UES Uncorrectable Error Status
See bit
description
R/WC, RO
Table 19-1. PCI Express* Configuration Registers Address Map
(PCI Express*—D28:F0/F1/F2/F3/F4/F5/F6/F7) (Sheet 2 of 3)
Offset Mnemonic Register Name
Function 0–5
Default
Type
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