參數(shù)資料
型號: pentium III CPU
廠商: Intel Corp.
英文描述: Pentium III Processor for the SC242 at 450MHz to 1.0GHz(SC242工作頻率450MHZ到1GHZ奔III處理器)
中文描述: 奔騰III處理器在450MHz至1.0GHz的(SC242工作頻率至450MHz到1GHz的奔三處理器的SC242)
文件頁數(shù): 19/102頁
文件大小: 920K
代理商: PENTIUM III CPU
Datasheet
19
Pentium
III Processor for the SC242 at 450 MHz to 1.0 GHz
NOTES:
1. 0 = Processor pin connected to V
SS
.
2. 1 = Open on processor; may be pulled up to TTL V
IH
on baseboard.
3. To ensure a system is ready for the Pentium
III processor, the values in
BOLD
in
Table 3
should be
supported.
Note that the ‘11111’ (all opens) ID can be used to detect the absence of a processor core in a given
connector as long as the power supply used does not affect these lines. Detection logic and pull-ups
should not affect VID inputs at the power source (see
Section 7.0
).
The VID pins should be pulled up to a TTL-compatible level with external resistors to the power
source of the regulator only if required by the regulator or external logic monitoring the VID[4:0]
signals. The power source chosen must be guaranteed to be stable whenever the supply to the
Table 3. Voltage Identification Definition
1, 2
Processor Pins
VID4
VID3
VID2
VID1
VID0
Vcc
CORE
1.30
1.35
1.40
1.45
1.50
1.55
1.60
3
1.65
3
1.70
3
1.75
3
1.80
3
1.85
3
1.90
3
1.95
3
2.00
3
2.05
3
No Core
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
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