You need to identify what motherboard you have.
Speedfan takes reading from various sources and, as far as i know, diferent motherboards means thats the readings are from different places.
Maybe this will help http://www.almico.com/sffaq.php
But from the readings, you definatly have a couple of things that look extremely hot. The above link may help you identify them.
That link made absolutely no sense to me.
So I went to google and googled "Finding out what motherboard I have".
I found a program for that and it says:
Computer
Computer Brand Name: Unknown on Noname
Motherboard
Motherboard Model:
Motherboard Chipset: SiS 650 + 962
Motherboard Slots: 4xPCI, 1xAGP v2.0
USB Version Supported: v2.0
BIOS
BIOS Manufacturer: Phoenix - Award WorkstationBIOS v6.00PG
BIOS Date: 08/29/03
BIOS Version: 6.00 PG
BIOS Message: 651_M Ver1.0a 08/29/2003
Super-IO/LPC Chip: ITE IT8705/SiS950
Not a clue.