help :cannot read P4 temperature

I cannot read the temp of my processor i have tried

speedfan, coretemp, realtemp, motherboard monitor, hwmonitor

according to the INTEL website the processor has a thermal diode!

can anybody help!

thanks

John.

below from CPU-Z

Processors Information
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Processor 1 (ID = 0)
Number of cores 1 (max 1)
Number of threads 2 (max 2)
Name Intel Pentium 4 538
Codename Prescott
Specification Mobile Intel(R) Pentium(R) 4 CPU 3.20GHz
Package Socket 478 mPGA (platform ID = 3h)
CPUID F.4.1
Extended CPUID F.4
Core Stepping E0
Technology 90 nm
Core Speed 1866.8 MHz (14.0 x 133.3 MHz)
Rated Bus speed 533.4 MHz
Stock frequency 3200 MHz
Instructions sets MMX, SSE, SSE2, SSE3
L1 Data cache 16 KBytes, 8-way set associative, 64-byte line size
Trace cache 12 Kuops, 8-way set associative
L2 cache 1024 KBytes, 8-way set associative, 64-byte line size
FID/VID Control yes
FID range 14.0x - 24.0x
VID range 1.116 V - 1.388 V
Features

Chipset
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Northbridge ATI RS300/RS300M rev. 02
Southbridge ATI SB200 rev. 00
Graphic Interface AGP
AGP Revision 3.0
AGP Transfer Rate 8x
AGP SBA supported, enabled
Memory Type
Memory Size 768 MBytes