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參數(shù)資料
| 型號： | intel Pentium CPU |
| 廠商： | Intel Corp. |
| 英文描述： | 32 Bit CPU With MMX Technology and Mobile Module(32位帶MMX和移動模塊處理器) |
| 中文描述： | 32位CPU的MMX技術(shù)和移動模塊（32位帶MMX公司和移動模塊處理器） |
| 文件頁數(shù)： | 21/36頁 |
| 文件大?。?/td> | 395K |
| 代理商： | INTEL PENTIUM CPU |
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INTEL PENTIUM PROCESSOR WITH MMX TECHNOLOGY MOBILE MODULE
21
1/8/98 4:35 PM 24351502.DOC
System Management RAM (SMRAM) power
management modes include Compatible SMRAM
(C_SMRAM)
and
(E_SMRAM). C_SMRAM is the traditional
SMRAM feature implemented in all Intel PCI
chipsets. E_SMRAM is a new feature that
supports write-back cacheable SMRAM space
up to 1Mbyte. To minimize power consumption
while the system is idle, the internal 430TX
PCIset clock is turned off (gated off) when there
is no processor and PCI activity.
Extended
SMRAM
The Intel Mobile Module supports only the 430TX
PCIset features available in the Mobile Mode of
operation. Refer to Intel’s latest revision of the 430TX
PCIset specification for complete details.
3.3.1.
MEMORY ORGANIZATION
The complete memory interface of the 430TX PCIset
is available at the Intel Mobile Module’s connector; all
of the 430TX PCIset Mobile Mode memory
configurations
and
modes
supported. Two memory features not supported by
the 430TX PCIset Mobile Mode are Parity and Error
Detection and Correction (EDC).
of
operation
are
DRAM technologies supported by 430TX PCIset
include Extended Data Out (EDO) and SDRAM.
NOTE
The Intel Mobile Module does not support the
use of fast page mode (FPM) memory on the
system electronics.
These memory types may be mixed in the system,
but only on a row-by-row basis. In other words, all
DRAM in a particular row (RAS[5:0]#) must be of the
same technology. The 430TX PCIset targets 60ns
DRAMs, but also supports 50ns and 70ns
components.
The Intel Mobile Module’s clocking architecture
supports the use of SDRAM. Due to the tight timing
requirements of 66-MHz SDRAM clocks, the clocking
mode for SDRAM or system manufacturer custom
memory configurations allows all host and SDRAM
clocks to be generated from the same physical
device on the manufacturer’s system electronics.
Driving all of these clocks out of a single device
ensures minimal skew and jitter between clock
outputs. For complete details about using SDRAM
memory, and for trace length guidelines, contact your
local Intel Sales Representative.
For details on memory device support, organization,
size and addressing, refer to 430TX PCIset
documentation and PCD application notes.
3.3.2.
64-MBIT SDRAM SUPPORT
Support for 64-Mbit SDRAM memory technology is
provided
by
the
430TX
component. See the 430TX PCIset documentation
for operational details on how this support is
implemented by the component. To provide the
equivalent support at the Intel Mobile Module
connector and maintain compatibility with future
Northbridge architectures, the memory signals on the
Intel Mobile Module are routed to the connector as
shown in Figure 3. Memory control signals that allow
the 430TX PCIset to support 64-Mbit SDRAM
memory
devices
are
RAS5/MA13. These signals are multiplexed and
configurable within the 430TX PCIset. Figure 3
shows a wiring diagram on the Intel Mobile Module of
the RAS4/MA12 and RAS5/MA13 signals for
clarification. Proper routing of these signals is
required to ensure future Intel Mobile Modules are
compatible.
PCIset
Northbridge
the
RAS4/MA12
and
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