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參數(shù)資料
| 型號： | 82815EM |
| 英文描述： | Controller Miscellaneous - Datasheet Reference |
| 中文描述： | 控制器雜項-數(shù)據(jù)表參考 |
| 文件頁數(shù)： | 150/163頁 |
| 文件大?。?/td> | 1049K |
| 代理商： | 82815EM |
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Intel
82815EM GMCH
R
150
Datasheet
4.18.4.
C3 Support AGP Port Signal
This signal is generated either by the AGP Graphics Chip in AGP mode or by the Intel
815EM chipset
in graphics mode, but not by both. This is an input to the ICH2-M I/O Controller Hub.
In AGP mode:
Asserted (active low): When asserted, AGPBUSY# indicates that the AGP device is currently busy
and requests that the system not transition to the C3 state. However, assertion of AGPBUSY# does
not guarantee that the system will not enter the C3 state or perform an Intel
SpeedStep
technology transition. If system is in C3 state, then the assertion of AGPBUSY# is used to request
that the system exit from the C3 state.
The AGP GC must assert AGPBUSY# whenever the AGP GC has a pending request to use the
AGP interface. The AGP GC must assert AGPBUSY# regardless of which protocol it intends to
use on the AGP interface: SBA, PIPE#, or PCI.
AGPBUSY# may only be asserted by the AGP GC when AGPBUSY# is in the D0 state and should
not be asserted in the D1, D2, or D3 states.
Deasserted (high): When deasserted, AGPBUSY# indicates that the AGP device is not busy and has
no need to use the AGP interface.
In Graphics mode:
Asserted (active low): When asserted, AGPBUSY# indicates the internal graphics unit is requesting
snoop or having interrupt request to be serviced. Therefore, it requests that the system not transition
to the C3 state. However, assertion of AGPBUSY# does not guarantee that the system will not enter
the C3 state or perform an Intel
SpeedStep technology transition. If system is in C3 state, then
the assertion of AGPBUSY# is used to request that the system exit from the C3 state.
Deasserted (high): When deasserted, AGPBUSY# indicates the internal graphics unit has no
pending snoop request nor graphics interrupt request.
AGPBUSY#, with a minimum of 100 ns pulse width, is considered by the rest of the system to be
asynchronous to the AGP clock.
AGPBUSY# must have a 10-K
pull-up on the platform.
Note:
This signal is OD since it can be driven by both the 815EM Memory Controller and the AGP GC.
Note:
Please refer to Accelerated Graphics Port (AGP) BUSY and STOP signals for 815EM platform rev 0.1
reference number: SC2984.
4.18.5.
Power-on-suspend (POS) (S1 State)
S1 state is different in Desktop versus Mobile. S1-Desktop requires processor in C2 State, main memory
and all clocks are continuously running. S1-Mobile requires processor in C3 state, main memory in self
refresh mode, and all clock inputs are off so only leakage power for PLLs. S1-Mobile is called POS,
power on suspend state. Only RTC is on, all other clocks on Platform are off. All devices are in D1 or
lower state. The graphics device will be in D3 hot. Intel
815EM chipset has to retain registers to
continue operation from where it was suspended. The ACPI OS may transition the system to S3 state if
not exiting from S1.
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PDF描述 |
|---|---|
| 82820 | Interface IC |
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| 82830010 | MOTOR 24VDC 2100RPM |
| 82830MP | Intel 830MP Chipset: 82830MP Graphics and Memory Controller Hub (GMCH-M) |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 82-816-1000 | 功能描述:RF 連接器 ST Plug RG-108A 50 Ohm RoHS:否 制造商:Bomar Interconnect 產(chǎn)品:Connectors 射頻系列:BNC 型式:Jack (Female) 極性: 觸點電鍍:Gold 阻抗: 端接類型:Solder 主體類型:Straight Bulkhead 電纜類型: |
| 82-81641 | 制造商:CHOMERICS (PARKER) 功能描述: |
| 828168-1 | 制造商:TE Connectivity 功能描述:7P MT RV100 CONNECTOR |
| 828168-2 | 功能描述:7P MT TAND BU STECK RoHS:是 類別:連接器，互連式 >> 矩形 - 自由懸掛，面板安裝 系列:AMPMODU RV 100 RoHS指令信息:5-643816-8 Statement of Compliance 3D 型號:5-643816-8.pdf 標準包裝:500 系列:MTA-100 連接器類型:插座 觸點類型：:母形插口 位置數(shù):28 間距:0.100"（2.54mm） 行數(shù):1 行間距:- 安裝類型:自由懸掛 緊固型:鎖銷滑道 電纜端接:IDC 導線類型:離散式或帶狀纜線 線規(guī):28 AWG 特點:閉端，帶電極標記 觸點表面涂層:錫 觸點涂層厚度:80µin（2.03µm） 顏色:綠 包裝:散裝 相關產(chǎn)品:A1998-ND - HEAD ASSEM TOOL FOR MTA-100 RECP |
| 828169-1 | 功能描述:集管和線殼 2X7P MT TAND SOCKET CONNECTOR RoHS:否 產(chǎn)品種類:1.0MM Rectangular Connectors 產(chǎn)品類型:Headers - Pin Strip 系列:DF50 觸點類型:Pin (Male) 節(jié)距:1 mm 位置/觸點數(shù)量:16 排數(shù):1 安裝風格:SMD/SMT 安裝角:Right 端接類型:Solder 外殼材料:Liquid Crystal Polymer (LCP) 觸點材料:Brass 觸點電鍍:Gold 制造商:Hirose Connector |
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