參數資料
型號: 82815EM
英文描述: Controller Miscellaneous - Datasheet Reference
中文描述: 控制器雜項-數據表參考
文件頁數: 96/163頁
文件大小: 1049K
代理商: 82815EM
Intel
82815EM GMCH
R
96
Datasheet
3.7.22.
ERRCMD1—Error Command Register (Device 1)
Address Offset:
40h
Default:
00h
Access:
Read/Write
Size
8 bits
7
1
0
Reserved
SERR on
Rec Targ.
Abort on
AGP/PCI
Bit
Descriptions
7:1
Reserved.
0
SERR on Receiving Target Abort on AGP/PCI.
When this bit is set to “1” the GMCH2-M generates
an SERR hub interface special cycle when an GMCH2-M originated AGP/PCI cycle is terminated with
a Target Abort. If this bit is “0” then reporting of this condition is disabled.
3.8.
Graphics Device Registers (Device 2 - VISIBLE IN GFX
MODE ONLY)
These registers are accessible through the configuration mechanism defined in an earlier section of this
document.
Table 9. Device 2 Configuration Space Address Map (Internal Graphics)
Address
Offset
Register
Symbol
Register Name
Default Value
Access Type
00-01h
VID2
Vendor Identification
8086h
RO
02-03h
DID2
Device Identification
1112h
RO
04-05h
PCICMD2
PCI Command Register
0004h
Read/Write
06-07h
PCISTS2
PCI Status Register
02B0h
RO
08h
RID2 (A0)
Revision Identification for A0-step
10h
RO
08h
RID2 (A1)
Revision Identification for A1-step
11h
RO
09h
PI
Programming Interface
00h
RO
0Ah
SUBC2
Sub-Class Code
00h
RO
0Bh
BCC2
Base Class Code
03h
RO
0Ch
CLS
Cache Line Size Register
00h
RO
0Dh
MLT2
Master Latency Timer
00h
RO
0Eh
HDR2
Header Type
01h
RO
0Fh
BIST
BIST Register
00h
RO
10-13h
GMADR
Graphics Memory Range Address
00000008h
Read/Write
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