參數(shù)資料
型號(hào): 82845GV
廠商: INTEL CORP
元件分類(lèi): 外設(shè)及接口
英文描述: Intel 82845G/82845GL/82845GV Graphics and Memory Controller Hub (GMCH)
中文描述: MULTIFUNCTION PERIPHERAL, PBGA760
封裝: 37.50 X 37.50 MM, 1 MM PITCH, FLIP CHIP, BGA-760
文件頁(yè)數(shù): 75/193頁(yè)
文件大?。?/td> 2990K
代理商: 82845GV
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Intel
82845G/82845GL/82845GV GMCH Datasheet
75
Register Description
3.5.1.34
ERRCMD—Error Command Register (Device 0)
Address Offset:
Default Value:
Access:
Size:
CA–CBh
0000h
RO, R/W
16 bits
This register controls the GMCH responses to various system errors. Since the GMCH does not
have an SERR# signal, SERR messages are passed from the GMCH to the ICH over HI. When a
bit in this register is set, a SERR message will be generated on HI whenever the corresponding flag
is set in the ERRSTS register. The actual generation of the SERR message is globally enabled for
Device 0 via the PCI Command register.
Bit
Description
15:10
Intel Reserved.
9
SERR on Non-DRAM Lock (LCKERR).
1 = Disable.
1 = Enable. GMCH generates a HI SERR special cycle when a processor lock cycle is detected that
does not hit SDRAM.
8:7
Intel Reserved.
6
SERR on Target Abort on HI Exception (TAHLA).
0 = Disable.
1 = Enable. GMCH generates an SERR special cycle over HI when an GMCH originated HI cycle is
completed with a Target Abort completion packet or special cycle.
5
SERR on Detecting HI Unimplemented Special Cycle (HIAUSCERR).
SERR messaging for
Device 0 is globally enabled in the PCICMD register.
0 = Disable. GMCH does not generate an SERR message for this event.
1 = Enable. GMCH generates an SERR message over HI when an Unimplemented Special Cycle is
received on the HI.
4
SERR on AGP Access Outside of Graphics Aperture (OOGF).
0 = Disable. Reporting of this condition is disabled.
1 = Enable. GMCH generates an SERR special cycle over HI when an AGP access occurs to an
address outside of the graphics aperture.
3
SERR on Invalid AGP Access (IAAF).
0 = Disable. Invalid AGP Access condition is not reported.
1 = Enable. GMCH generates an SERR special cycle over HI when an AGP access occurs to an
address outside of the graphics aperture and either to the 640 KB –1 MB range or above the top
of memory. I
2
SERR on Invalid Translation Table Entry (ITTEF).
0 = Disable. Reporting of this condition is disabled.
1 = Enable. GMCH generates an SERR special cycle over HI when an invalid translation table entry
was returned in response to an AGP access to the graphics aperture.
1:0
Intel Reserved.
相關(guān)PDF資料
PDF描述
82845Gx Intel 82845G/82845GL/82845GV Graphics and Memory Controller Hub (GMCH)
82845MP Intel 845 Family Chipset-Mobile 82845MP/82845MZ Chipset Memory Controller Hub Mobile (MCH-M)
82845Mx Intel 845 Family Chipset-Mobile 82845MP/82845MZ Chipset Memory Controller Hub Mobile (MCH-M)
82845MZ Intel 845 Family Chipset-Mobile 82845MP/82845MZ Chipset Memory Controller Hub Mobile (MCH-M)
82845PE 82845GE Graphics and Memory Controller Hub (GMCH) and 82845PE Memory Controller Hub (MCH)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
82845GX 制造商:INTEL 制造商全稱(chēng):Intel Corporation 功能描述:Intel 82845G/82845GL/82845GV Graphics and Memory Controller Hub (GMCH)
82845MP 制造商:INTEL 制造商全稱(chēng):Intel Corporation 功能描述:Intel 845 Family Chipset-Mobile 82845MP/82845MZ Chipset Memory Controller Hub Mobile (MCH-M)
82845MX 制造商:INTEL 制造商全稱(chēng):Intel Corporation 功能描述:Intel 845 Family Chipset-Mobile 82845MP/82845MZ Chipset Memory Controller Hub Mobile (MCH-M)
82845MZ 制造商:INTEL 制造商全稱(chēng):Intel Corporation 功能描述:Intel 845 Family Chipset-Mobile 82845MP/82845MZ Chipset Memory Controller Hub Mobile (MCH-M)
82845PE 制造商:INTEL 制造商全稱(chēng):Intel Corporation 功能描述:82845GE Graphics and Memory Controller Hub (GMCH) and 82845PE Memory Controller Hub (MCH)