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參數(shù)資料
| 型號： | intel Pentium II processor |
| 廠商： | Intel Corp. |
| 英文描述： | Pentium II Processor Mobile Module(帶移動模塊奔II處理器) |
| 中文描述： | 奔騰II處理器的移動模塊（帶移動模塊奔二處理器） |
| 文件頁數(shù)： | 5/46頁 |
| 文件大?。?/td> | 681K |
| 代理商： | INTEL PENTIUM II PROCESSOR |
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5
INTEL
PENTIUM
II PROCESSOR MOBILE MODULE MMC-1
1.0
INTRODUCTION
This document provides the technical information for
integrating the Pentium
II Processor Mobile Module
Connector 1 (MMC-1) into the latest notebook systems for
today’s notebook market.
Building around this modular design gives the system
manufacturer these advantages:
Avoids complexities associated with designing high-
speed processor core logic boards.
Provides an upgrade path from previous Pentium
II
processor mobile modules using a standard interface.
1.1
Revision History
This is the first version of this document.
2.0.
ARCHITECTURE OVERVIEW
The Pentium
II processor mobile module is a highly
integrated assembly containing the mobile Pentium II
processor core, the Intel 443BX Host Bridge system
controller, and system level support. The Pentium II
processor mobile module has a 66-MHz system bus speed
and runs at speeds of 300 MHz, 266 MHz, and 233 MHz.
The Pentium II processor mobile module includes a second-
level cache of pipeline burst SRAM supporting up to 512 KB.
The ZZ “snooze” mode featured in previous mobile modules
is no longer supported. Instead, the Pentium II processor
mobile module supports the “Stop Clock” mode for the L2
SRAMs. The clock signals to the L2 SRAMs are stopped or
“parked” in a low power state by the processor.
The PIIX4E PCI/ISA Bridge is one of two large-scale
integrated devices of the Intel
440BX PCIset. A notebook’s
system electronics must include a PIIX4E device to connect
to the Pentium II processor mobile module. The PIIX4E
provides extensive power management capabilities and
supports the second integrated device, the 443BX Host
Bridge. Key features of the Intel 443BX Host Bridge system
controller include the DRAM controller that supports EDO at
3.3V with a burst read at 7-2-2-2 (60 ns) or SDRAM at 3.3V
with a burst read at 8-1-1-1 (66 MHz, CL=2). The 443BX
Host Bridge also provides a PCI CLKRUN# signal to
request the PIIX4E to regulate the PCI clock on the PCI bus.
The 82443Bx clock enables Self-Refresh mode of EDO or
SDRAM during Suspend mode and is compatible with
SMRAM (C_SMRAM) and Extended SMRAM (E_SMRAM)
modes of power management. E_SMRAM mode supports
write-back cacheable SMRAM up to 1 MB.
A thermal transfer plate (TTP) on the 443BX Host Bridge and
the mobile Pentium II processor provides heat dissipation
and a standard thermal attach point for the notebook
manufacturer’s thermal solution.
An on-board voltage regulator converts the system DC
voltage to the processor’s core and I/O voltage. Isolating the
processor voltage requirements allows the system
manufacturer to incorporate different processor variants into
a single notebook system.
Supporting input voltages from 5V to 21V, the processor core
voltage regulator enables an above 80 percent peak
efficiency and decouples processor voltage requirements
from the system.
The Pentium II processor mobile module also incorporates
Active Thermal Feedback (ATF) sensing, compliant to the
ACPI Rev 1.0 specification. A system management bus
(SMBus) supports the internal and external temperature
sensing with programmable trip points.
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