
VL5/xx & VE5/xx Familiarization Guide Overview and Features •• 10
Microprocessor
The Pentium microprocessors used in the HP Vectra VL 5/xx series 3 and HP Vectra VE
5/xx are the latest generation of the Intel family of microprocessors. These microprocessors
use internal clock multiplication, similar to that used by the 486 DX2 processor. The
microprocessor’s internal clock is a multiple of the system clock. The Pentium 75, 90, and
100 MHz processor multiply the 50, 60, and 66 MHz system clock by a factor of 1.5. The
Pentium 120 MHz processor doubles the 60 MHz system clock.
These new Pentium processors are powered by a power source of 3.3 V (see Configuring
the Processor Voltage Selection Jumper). The previous generation of Pentium processors,
Pentium 60 MHz and 66 MHz, used a 5 V power source. The two generations of processors
are not pin compatible.
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