Introduction
2.4. Microprocessor
The motherboard is designed to operate with the following
processor:
Processor Type
Speed
FSB
Intel Pentium 4
1.7GHz~3.
400, 533 MHz
An onboard switching voltage regulator provides the required 1.1 to
1.85 volts for the processor. The processor sends five VID (Voltage
identification) signals to the switching voltage regulator. The
switching regulator generates the correct voltage for the processor.
2.5. CPU Packaging
The motherboard’s CPU socket is a surface mount, mPGA478B type
ZIF (Zero Insertion Force) socket. The socket has 478 pins with 50
mil pin pitch.
Note:
ZIF sockets are sockets designed for easy insertion of pin
grid array (PGA) chips. The chip is dropped into the
socket, and a lever is used to secure the chip in place.
2.6. AC 97 Codec
This motherboard features the AC 97 (ALC650) codec. The AC 97
(ALC650) Audio codec is compliant with the AC 97 2..2
specification, and supports 18-bit ADC (Analog Digital Converter)
and DAC (Digital Analog Converter) resolution as well as 18-bit
stereo full-duplex codec with independent and variable sampling
rates. Further features include support for four analog line-level
stereo inputs.
Microprocessor
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