Datasheet

Processor Configuration Registers
148 Datasheet, Volume 2
2.8 PCI Device 2 Configuration Space Registers
Table 2-11. PCI Device 2 Configuration Space Register Address Map
Address
Offset
Register
Symbol
Register Name Reset Value Access
0–1h VID2 Vendor Identification 8086h RO
2–3h DID2 Device Identification 0152h RO-V, RO-FW
4–5h PCICMD2 PCI Command 0000h RW, RO
6–7h PCISTS2 PCI Status 0090h RO, RO-V
8h RID2 Revision Identification 00h RO-FW
9–Bh CC Class Code 030000h RO-V, RO
Ch CLS Cache Line Size 00h RO
Dh MLT2 Master Latency Timer 00h RO
Eh HDR2 Header Type 00h RO
Fh RSVD Reserved 0h RO
10–17h
GTTMMADR
Graphics Translation Table, Memory
Mapped Range Address
000000000
0000004h
RO, RW
18–1Fh
GMADR
Graphics Memory Range Address 00000000
0000000Ch
RW, RO,
RW-L
20–23h IOBAR I/O Base Address 00000001h RW, RO
24–2Bh RSVD Reserved 0h RO
2C–2Dh SVID2 Subsystem Vendor Identification 0000h RW-O
2E–2Fh SID2 Subsystem Identification 0000h RW-O
30–33h ROMADR Video BIOS ROM Base Address 00000000h RO
34h CAPPOINT Capabilities Pointer 90h RO-V
35–3Bh RSVD Reserved 0h RO
3Ch INTRLINE Interrupt Line 00h RW
3Dh INTRPIN Interrupt Pin 01h RO
3Eh MINGNT Minimum Grant 00h RO
3Fh MAXLAT Maximum Latency 00h RO
40–61h RSVD Reserved — —
62h MSAC Multi Size Aperture Control 02h RW, RW-K
63–FFh RSVD Reserved — —