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845GL bảng dữ liệu(PDF) 92 Page - Intel Corporation

tên linh kiện 845GL
Giải thích chi tiết về linh kiện  Intel 82845G/82845GL/82845GV Graphics and Memory Controller Hub (GMCH)
PDF  193 Pages
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nhà sản xuất  INTEL [Intel Corporation]
Trang chủ  http://www.intel.com
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845GL bảng dữ liệu(HTML) 92 Page - Intel Corporation

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Register Description
92
Intel® 82845G/82845GL/82845GV GMCH Datasheet
3.5.3
Integrated Graphics Device Registers (Device 2)
The Integrated Graphics Device registers are in Device 2. This section contains the PCI
configuration registers listed in order of ascending offset address. Table 3-5 provides the register
address map for this device.
Table 3-5. Integrated Graphics Device Register Address Map (Device2)
Address
Offset
Symbol
Register Name
Default
Value
Access
00–01h
VID2
Vendor Identification
8086h
RO
02–03h
DID2
Device Identification
2562h
RO
04–05h
PCICMD2
PCI Command
0000h
RO, R/W
06–07h
PCISTS2
PCI Status
0090h
RO, R/WC
08h
RID2
Revision Identification
see register
description
RO
09–0Bh
CC
Class Code
030000h
RO
0Ch
CLS
Cache Line Size
00h
RO
0Dh
MLT2
Master Latency Timer
00h
RO
0Eh
HDR2
Header Type
00h
RO
0Fh
—
Intel Reserved
—
—
10–13h
GMADR
Graphics Memory Range Address
00000008h
R/W, RO
14–17h
MMADR
Memory Mapped Range Address
00000000h
R/W, RO
18–2Bh
—
Intel Reserved
—
—
2C–2Dh
SVID2
Subsystem Vendor ID
0000h
R/WO
2E–2Fh
SID2
Subsystem ID
0000h
R/ WO
30–33h
ROMADR
Video Bids ROM Base Address
00000000h
R/W, RO
34h
CAPPOINT
Capabilities Pointer
D0h
RO
35–3Bh
—
Intel Reserved
—
—
3Ch
INTRLINE
Interrupt Line
00h
R/W
3Dh
INTRPIN
Interrupt Pin
01h
RO
3Eh
MINGNT
Minimum Grant
00h
RO
3Fh
MAXLAT
Maximum Latency
00h
RO
40–CFh
—
Intel Reserved
—
—
D0–D1h
PMCAPID
Power Management Capabilities ID
0001h
RO
D2–D3h
PMCAP
Power Management Capabilities
0021h
RO
D4–D5h
PMCS
Power Management Control
0000h
R/W, RO
D6–FFh
—
Intel Reserved
—
—



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