Intel® 945G/945GZ/945GC/ 945P/945PL Express Chipset Family ...

Integrated Graphics Device (D2:F1) Registers (Intel® 82945G/82945GC/82945GZ GMCH Only)
8 Integrated Graphics Device
(D2:F1) Registers (Intel ®
82945G/82945GC/82945GZ GMCH
Only)
The Integrated Graphics Device registers are located in Device 0 (D0), Function 0 (F0) and
Function 1 (F1). This chapter provides the descriptions for the D2:F1 registers. Table 8-1
provides an address map of the D2:F1registers listed in ascending order by address offset.
Detailed bit descriptions follow this table.
Table 8-1. Device 2 Function 1 Register Address Map (D2:F1)
Address
Offset
Symbol Register Name Default
Value
Access
00–01h VID2 Vendor Identification 8086h RO
02–03h DID2 Device Identification 2776h RO
04–05h PCICMD2 PCI Command 0000h RO, R/W
06–07h PCISTS2 PCI Status 0090h RO
08h RID2 Revision Identification See register
description
09–0Bh CC Class Code Register 03800h RO
0Ch CLS Cache Line Size 00h RO
0Dh MLT2 Master Latency Timer 00h RO
0Eh HDR2 Header Type Register 80h RO
0Fh — Reserved — —
10–13h MMADR Memory Mapped Range Address 00000000h RO, R/W
14–2Bh — Reserved — —
2C–2Dh SVID2 Subsystem Vendor Identification 0000h R/WO
2E–2Fh SID2 Subsystem Identification 0000h R/WO
30–33h ROMADR Video BIOS ROM Base Address 00000000h RO
34h CAPPOINT Capabilities Pointer D0h RO
35–3Dh — Reserved — —
3Eh MINGNT Minimum Grant Register 00h RO
3Fh MAXLAT Maximum Latency 00h RO
40–43h — Reserved — —
Intel ® 82945G/82945G/82945GC GMCH and 82945P/82945PL MCH Datasheet 191
RO