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BIOS (Basic Input/Output System) - the program logic used to boot up a computer and
establish the relationship between the various components.
Driver - software, which defines the characteristics of a device for use by another device or
other software.
Processor - the "central processing unit" (CPU); the principal integrated circuit used for doing
the "computing" in "personal computer"
Front Side Bus Frequency
The working frequency of the motherboard, which is generated by the clock generator for
CPU, DRAM and PCI BUS.
CPU Internal Frequency - the frequency of CPU, which is also the actual working frequency
of CPU.
Bus Frequency Ratio - the ratio of the working frequency, multiply Front Side Bus
Frequency with Bus Frequency Ratio will form the CPU Internal Frequency.
CPU L2 Cache - the flash memory inside the CPU, normally Pentium III CPU has
256K or above, while Celeron CPU will have 128K.
Recognize of CPU
The way to recognize the specification of CPU from the packing Pentium III 370
pins FC-PGA
On the surface of the CPU as shown on the right picture, under the word of
"PENTIUM III" the code is:
RB 80526 P2 866 256
RB :
FC–PGA packing
P2
:
P2–133MHz front side bus frequency
PY–100MHz front side bus frequency
866 :
CPU internal frequency, where here is
866MHz
256 :
the size of L2 cache, where here is 256K
Celeron FC–PGA
On the surface of the CPU as shown on the right picture, under the word of "Celeron"
the code is:
566/128/66/1.5V
566 :
CPU internal frequency, where here is 566MHz
128 :
the size of L2 cache, where here is 128K
66
:
front side bus frequency, where here is 66MHz
1.5V :
the voltage for the CPU
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