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Been having BSOD problems for a while and whenever I think I figure it out, it comes back again. Here is my last dumpcheck.
With the IRQL not less or equal I tried going in to my bios and changed the setting to allow XP to assign IRQ and thought that would fix it. Was that worth a shot or is that screwing it up more? This problem occured after I tried that. Please help! Thanks, Mike

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* *
* Bugcheck Analysis *
* *
*************************************************************************** ****

IRQL_NOT_LESS_OR_EQUAL (a)
An attempt was made to access a pageable (or completely invalid) address at an
interrupt request level (IRQL) that is too high. This is usually
caused by drivers using improper addresses.
If a kernel debugger is available get the stack backtrace.
Arguments:
Arg1: 00000001, memory referenced
Arg2: 0000001c, IRQL
Arg3: 00000001, value 0 = read operation, 1 = write operation
Arg4: 804e5e03, address which referenced memory

Debugging Details:
------------------


WORKER_ROUTINE:
+1
00000001 ?? ???

WORK_ITEM: 804e5e03

CURRENT_IRQL: 1c

CUSTOMER_CRASH_COUNT: 1

DEFAULT_BUCKET_ID: DRIVER_FAULT

BUGCHECK_STR: 0xA

PROCESS_NAME: csrss.exe

MISALIGNED_IP:
nt!KeSetEvent+40
804e5e03 00ff add bh,bh

LAST_CONTROL_TRANSFER: from bf874614 to 804e5e03

STACK_TEXT:
f60db938 bf874614 00000000 00000000 00000000 nt!KeSetEvent+0x40
f60db97c bf873536 004d5cfe 85c5eda8 f60db9d4 win32k!ProcessMouseInput+0x1b1
f60db98c 804f6784 e1252b98 e1252bc0 00000000 win32k!InputApc+0x4e
f60db9d4 804f2df4 00000000 00000000 00000000 nt!KiDeliverApc+0x124
f60db9ec 804e1b83 804e1a13 e120c008 00000000 nt!KiSwapThread+0xa8
f60dba24 bf807c70 00000003 85e4f9c0 00000001 nt!KeWaitForMultipleObjects+0x284
f60dba5c bf88964e 00000002 85e4f9c0 bf88c5dd win32k!xxxMsgWaitForMultipleObjects+0xb0
f60dbd30 bf87264d bf9aa5a0 00000001 f60dbd54 win32k!xxxDesktopThread+0x333
f60dbd40 bf80109a bf9aa5a0 f60dbd64 0074fff4 win32k!xxxCreateSystemThreads+0x6a
f60dbd54 804dd99f 00000000 00000022 00000000 win32k!NtUserCallOneParam+0x23
f60dbd54 7c90eb94 00000000 00000022 00000000 nt!KiFastCallEntry+0xfc
WARNING: Frame IP not in any known module. Following frames may be wrong.
00000000 00000000 00000000 00000000 00000000 0x7c90eb94


STACK_COMMAND: kb

FOLLOWUP_IP:
win32k!ProcessMouseInput+1b1
bf874614 85db test ebx,ebx

SYMBOL_STACK_INDEX: 1

SYMBOL_NAME: win32k!ProcessMouseInput+1b1

FOLLOWUP_NAME: MachineOwner

IMAGE_NAME: hardware

DEBUG_FLR_IMAGE_TIMESTAMP: 0

MODULE_NAME: hardware

FAILURE_BUCKET_ID: IP_MISALIGNED

BUCKET_ID: IP_MISALIGNED

Followup: MachineOwner
---------

"CSRSS.exe" This process manages most graphical commands in Windows...

What have you done so far to "figure it out"?

Well first I went to Nvidia and made sure I had the most up to date drivers for XP which I did. Ive tried uninstalling and running driver cleaner pro in safe mode then reinstalling. I went and got the preferred motherboard settings from Nvidia which were:
Assign IRQ to VGA: Enable
PnP O/S Installed: Enable
VGA Pallet Snooping: Disable
PCI Bursting: Disable PCI Latency Timer: 128 Peer Concurrency: Disable
Video BIOS Shadowing: Disable
Video RAM Cacheable: Disable
USWC: Disable/UC
Pipeline Cache Write: Disable
PCI 2.1 Compliance: Enable (Only needed when using PCI graphic cards)
Passive Release: Enable
Delayed Transaction:Enable
VGA Boot Sequence:AGP (When using an AGP graphics card)
Graphics Aperture Size: 128MB (When using an AGP graphics card)
AGP Turbo Read Mode: Disable
AGP Turbo Write Mode: Disable

I didnt have all these options but the ones I did I changed
I also went to my motherboard website made sure I had all the current drivers from their page.
I wrote in the forums there and was told to change a driver on my Sis accelerated graphics port choose manuallly then pick the pci to pci bridge controller. At that point it seemed to work I havent had any problems for a couple weeks but now I got this one. I also didnt quite understand why pci to pci deal since i have an agp card.

I have also run memtest and it didnt say any problems with memory. I downloaded the seagate diskwizard and checked my hard drive in both XP and immediately on startup in DOS

My system:
Asus P4s800d-x motherboard
2 sata hard drives
1 ide hard drive
PNY 7600GS 512 agp card
450w power supply
P4 socket 478 3.0 cpu

That dump's showing a hardware error. Memtest isn't perfect. If you have two sticks of RAM try running with just one at a time. Swap them over if it still crashes. You can also try just one stick in another slot.