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參數(shù)資料
| 型號(hào)： | RG82845MP |
| 英文描述： | Controller Miscellaneous - Datasheet Reference |
| 中文描述： | 控制器雜項(xiàng)-數(shù)據(jù)表參考 |
| 文件頁(yè)數(shù)： | 28/157頁(yè) |
| 文件大?。?/td> | 1407K |
| 代理商： | RG82845MP |
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Intel
82845MP/82845MZ Chipset-Mobile (MCH-M)
250687-002
Datasheet
123
R
5.4.1.
Various States
Table 32. Power Management State Combinations
Global (G)
state
Sleep (S)
State
CPU (C)
State
CPU
Clock
(FCLK)
MCH-M
Host Clock
(DCLK)
System Memory
Processor State
G0
S0
C0
On
Full On
G0
S0
C1
On
Auto-Halt
G0
S0
C2
On
Stop Grant
G0
S0
C3
Off
On
PwrDown Self Refresh
Deep Sleep
G0
S0
C4
Off
On
PwrDown Self Refresh
DeepER Sleep
G1
S1M
N/A
Off
PwrDown Self Refresh
G1
S3
N/A
Off
PwrDown Self Refresh
G1
S4
N/A
Off
PwrDown Self Refresh
G2
S5
N/A
Off
PwrDown Self Refresh
G3
N/A
Off
5.4.2.
General Description of Supported CPU States
C0 (Full On): This is the only state that runs software. All clocks are running, STPCLK# is
deasserted and the processor core is active. The processor can service snoops and maintain cache
coherency in this state.
C1 (Auto Halt): The first level of power reduction occurs when the processor executes an Auto-
Halt instruction. This stops the execution of the instruction stream and reduces the processor’s
power consumption. The processor can service snoops and maintain cache coherency in this state.
C2 (Stop Grant): To enter this low power state, STPCLK# is asserted. The processor can still
service snoops and maintain cache coherency in this state.
C3 (Sleep or Deep Sleep): In these states the processor clock is stopped. The MCH-M assumes
that no AGP, AGP/PCI, or HubLink cycles (except special cycles) will occur while the MCH-M is
in this state. The processor cannot snoop its caches to maintain coherency while in the C3 state.
C4 (DeepER Sleep): The C4 state appears to Intel 845MP/845MZ as identical to the C3 state, but
in this state the processor core voltage is lowered. There are no internal events in Intel
845MP/845MZ for the C4 state that differ from the C3 state.
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| RG82845MZ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Controller Miscellaneous - Datasheet Reference |
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| RG82845PESL6Q3 | 制造商:Intel 功能描述:Chipsets |
| RG82845-SL5V7 | 制造商:Intel 功能描述:INTEL 845G GRAPHICS AND MEMORY CONTROLLER HUB(GMCH) |
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