PCI Express* Registers (D1:F0)
Address
Offset
Register
Symbol
Register Name
Default
Value
Access
1D
IOLIMIT1
SSTS1
I/O Limit Address
00h
0000h
RW, RO
RWC, RO
RW, RO
RW, RO
RW, RO
RW, RO
RW,
1E–1Fh
20–21h
22–23h
24–25h
26–27h
28–2Bh
2C–2Fh
34h
Secondary Status
MBASE1
Memory Base Address
FFF0h
MLIMIT1
PMBASE1
PMLIMIT1
PMBASEU1
PMLIMITU1
CAPPTR1
INTRLINE1
INTRPIN1
BCTRL1
Memory Limit Address
0000h
Prefetchable Memory Base Address
Prefetchable Memory Limit Address
Prefetchable Memory Base Address
Prefetchable Memory Limit Address
Capabilities Pointer
FFF1h
0001h
00000000h
00000000h
88h
RW
RO
3Ch
Interrupt Line
00h
RW
3Dh
Interrupt Pin
01h
RO
3E–3Fh
80–83h
84–87h
Bridge Control
0000h
RO, RW
RO
PM_CAPID1
PM_CS1
Power Management Capabilities
Power Management Control/Status
C8039001h
00000000h
RO,
RW/S,
RW
88–8Bh
8C–8Fh
90–91h
SS_CAPID
SS
Subsystem ID and Vendor ID
Capabilities
0000800Dh
00008086h
A005h
RO
RWO
RO
Subsystem ID and Subsystem
Vendor ID
MSI_CAPID
Message Signaled Interrupts
Capability ID
92–93h
94–97h
98–99h
A0–A1h
A2–A3h
MC
MA
Message Control
0000h
00000000h
0000h
RW, RO
RW, RO
RW
Message Address
MD
Message Data
PEG_CAPL
PEG_CAP
PCI Express-G Capability List
PCI Express-G Capabilities
0010h
RO
0141h
RO,
RWO
A4–A7h
A8–A9h
AA–ABh
AC–AFh
DCAP
DCTL
DSTS
LCAP
Device Capabilities
Device Control
Device Status
00008000h
0000h
RO
RO, RW
RO, RWC
0000h
Link Capabilities
02014D01h
RO,
RWO
B0–B1h
B2–B3h
LCTL
LSTS
Link Control
Link Status
0000h
1001h
RO, RW,
RW/SC
RO
Datasheet
163
INTEL [ INTEL ]
