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3. Hardware Installations
16
SPI-8451-LLVA, SPI-8452-LLVA, SPI-8451-LVA
CPU Installation:
This product supports a single Intel 478pin FC-PGA2 type
Pentium
4, Celeron
D or Celeron
processor.
The processor’s VID pins automatically program the voltage regulator on the CPU board to the required
processor voltage. The host bus speed is automatically selected. The processor connects to the CPU
board through the 478-pins socket.
The CPU board supports the processors listed in table below:
Table 3.1. CPU list
Celeron
processor
Host Bus frequency
Cache size
400MHz
128KB
Celeron
D processor
Host Bus frequency
Cache size
533MHz
256KB
Pentium
4 processor
Host Bus frequency
Cache size
400MHz/533MHz
256K/512K/1MB
The socket-478 comes with a lever to secure the CPU. Make sure the notch on the corner of the CPU
corresponds with the notch on the inside of the socket.
The CPU should always have a Heat Sink and a cooling fan attached to prevent overheating.
CAUTION
Ensure that the CPU heat sink and the CPU top surface are in total contact to avoid CPU overheating
problem that would cause your system to hang or be unstable.
The heights of the heat sink that optional CPU.
PCP4-24, PCP4C-20: 70mm
PCP4-28S, PCP4C-20S: 83mm
Height