Blue Screen Mayhem....Can someone help me please.

Question

Thanks for all the advice, Now for a conundrum that is linked (I bealive) to the IRQL....Blue Screen Stop Error.
as a reminder the system hardwear setup at current is this:
1) 1x VData 333mhz PC2700 256mb 2.5v Ram (installed in slot one)
2) 1800+ AMD
3) Sony DVD-ROM (Secondary Master)
4) IBM DTLA-307045 7200Rpm (Primary Master)
5) CoDegen 300w PSU
6)Radeon 9100 Atlantis 128mb DDR AGP x4 G/Card
7) MSI 745 Ultra Main board
 EIDE 40pin/40wire cable from SonyDVD -> IDE1
9) 40pin/80 wire IDE UDMA cable from IBM HD -> IDE0
I have turned of all caching apart from the internal cache with the Auto PNP OS in the bios disabled and the rest of the settings on default, I have also updated the Bios from AMi 1.4 to AMI 1.5. On trying to install W2k I recive (half way through the installation) randomly the following Blue screen stop errors:
a) 0x00000050
b) 0x0000001a
c) 0x00000023
d) KMODE_....can't remember the rest (at work)
e) PAGE_FAULT_IN_NONPAGED_AREA
on XP installation I get the following:
a) 0x00000050
b) 000000008e
c) PAGE_FAULT_IN_NONPAGED_AREA
d) 0x0000007b
I have tried installing XP with the internal cache disabled and it works very slowly but does eventually install XP, on enabaling internal caching XP blue screens and restarts the computer automaticlly after around 5 - 30 mins of use. the same with windows 2000 but it freezes on starting up the first time.
I have also run memtest86 v2.9 for 3 hours and it has come up with the following results (total errors found 82):
badram patterns:
0x0fe15008,0x0fe15008,0x0dd11008,0x0dd11008,0x0f714808,0x0f714808,0x0de14c0 8,0xffffffc,0x0c70d000,0x0c70d000,0x0de14a78,0xffffffc,0x0de14ac8,0x0de14b1 8,0xffffffc,0x0d701008,0x0d701008,0x0b529008,0x0b529008
on this I would go out and buy new ram, but as the problem only comes up (for XP) when I enable internal cache, could it be the Stick of ram or the CPU Cache? I have been told by a local dealer that Xp does not like Cache, how can this be? it slows the system down so much when disabled. I am almost in dispare on the problem. please could someone help. I'm confused weather its the CPU or memory stick or (dread to think) the motherboad or even all 3.  
Many thanks,
Quinton.

Answer 1

Yes it could be cache on the cpu going bad.....Is the cpu new?.....try taking the system down to nothing but mb/cpu/1 memory/1 hdrive and /1 cdrom drive.....And maybe try installing the os with memory and cpu underclocked to see if it makes a diff.