參數(shù)資料
型號: 80546KF
廠商: Intel Corp.
英文描述: 64-bit Intel Xeon Processor MP with up to 8MB L3 Cache
中文描述: 64位Intel Xeon處理器MP的高達8MB三級高速緩存
文件頁數(shù): 110/138頁
文件大小: 2666K
代理商: 80546KF
110
64-bit Intel
Xeon Processor MP with up to 8MB L3 Cache Datasheet
Features
NOTE:
Actual implementation may vary. This figure is provided to offer a general understanding of the
architecture. All SMBus pull-up and pull-down resistors are 10 k
and located on the processor.
8.4.1
Processor Information ROM (PIROM)
The lower half (128 bytes) of the SMBus memory component is an electrically programmed read-
only memory with information about the processor. This information is permanently write-
protected.
Table 8-2
shows the data fields and formats provided in the Processor Information ROM
(PIROM).
Figure 8-2. Logical Schematic of SMBus Circuitry
SM_EP_A1
SM_EP_A2
Processor
Information
ROM
and
Scratch
EEPROM
(1 Kbit each)
Thermal
Sensor
A0
A1
A2
WP
A0
A1
SM_EP_A0
SM_TS_A0
SM_TS_A1
SM_VCC
CLK
CLK
DATA
DATA
VCC
VCC
VSS
VSS
STDBY#
ALERT#
SM_CLK
SM_DAT
SM_ALERT#
SM_WP
Table 8-2. Processor Information ROM Format (Sheet 1 of 3)
Offset/Section
# of
Bits
Function
Notes
Header:
00h
8
Data Format Revision
Two 4-bit hex digits
01 - 02h
16
EEPROM Size
Size in bytes (MSB first)
03h
8
Processor Data Address
Byte pointer, 00h if not present
04h
8
Processor Core Data
Address
Byte pointer, 00h if not present
05h
8
L3 Cache Data Address
Byte pointer, 00h if not present
06h
8
Package Data Address
Byte pointer, 00h if not present
07h
8
Part Number Data Address
Byte pointer, 00h if not present
08h
8
Thermal Reference Data
Address
Byte pointer, 00h if not present
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