bugcheck help

I have been haveing my computer reboot over and over with 2 errors and here thay are

icrosoft (R) Windows Debugger Version 6.4.0007.2
Copyright (c) Microsoft Corporation. All rights reserved.


Loading Dump File [C:\WINNT\Minidump\New Folder\Mini030605-06.dmp]
Mini Kernel Dump File: Only registers and stack trace are available

Symbol search path is: SRV*c:\symbols*http://msdl.microsoft.com/download/symbols
Executable search path is:
Windows 2000 Kernel Version 2195 (Service Pack 4) MP (2 procs) Free x86 compatible
Kernel base = 0x80400000 PsLoadedModuleList = 0x80484b80
Debug session time: Sun Mar 6 12:44:32.109 2005 (GMT-8)
System Uptime: not available
Loading Kernel Symbols
.............................................................................................
Loading unloaded module list
............................
Loading User Symbols
*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************

Use !analyze -v to get detailed debugging information.

BugCheck 8086, {0, 0, 0, 0}

*** WARNING: Unable to verify timestamp for iaStor.sys
*** ERROR: Module load completed but symbols could not be loaded for iaStor.sys
Probably caused by : iaStor.sys ( iaStor+11973 )

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

1: kd> !analyze -v
*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************

Unknown bugcheck code (8086)
Unknown bugcheck description
Arguments:
Arg1: 00000000
Arg2: 00000000
Arg3: 00000000
Arg4: 00000000

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


OVERLAPPED_MODULE: nv4_disp

CUSTOMER_CRASH_COUNT: 6

DEFAULT_BUCKET_ID: COMMON_SYSTEM_FAULT

BUGCHECK_STR: 0x8086

LAST_CONTROL_TRANSFER: from 8046a898 to 8042ac99

SYMBOL_ON_RAW_STACK: 1

STACK_TEXT:
f687bc9c 8046a898 f687bc00 800651dd 00000000 nt!KeBugCheck+0xf
f687bc9c 89072000 f687bc00 800651dd 00000000 nt!KeUpdateSystemTime+0x15c
WARNING: Frame IP not in any known module. Following frames may be wrong.
f687bd8c 00000000 00000000 89024b54 89024b74 0x89072000


STACK_COMMAND: dds @$csp ; kb

FOLLOWUP_IP:
iaStor+11973
bff21973 ?? ???

FOLLOWUP_NAME: MachineOwner

SYMBOL_NAME: iaStor+11973

MODULE_NAME: iaStor

IMAGE_NAME: iaStor.sys

DEBUG_FLR_IMAGE_TIMESTAMP: 40608c73

FAILURE_BUCKET_ID: 0x8086_iaStor+11973

BUCKET_ID: 0x8086_iaStor+11973

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

 

Microsoft (R) Windows Debugger Version 6.4.0007.2
Copyright (c) Microsoft Corporation. All rights reserved.


Loading Dump File [C:\WINNT\Minidump\Mini031005-02.dmp]
Mini Kernel Dump File: Only registers and stack trace are available

Symbol search path is: SRV*c:\symbols*http://msdl.microsoft.com/download/symbols
Executable search path is:
Windows 2000 Kernel Version 2195 (Service Pack 4) MP (2 procs) Free x86 compatible
Kernel base = 0x80400000 PsLoadedModuleList = 0x80484b80
Debug session time: Thu Mar 10 22:11:48.109 2005 (GMT-8)
System Uptime: not available
Loading Kernel Symbols
.............................................................................................
Loading unloaded module list
..............................
Loading User Symbols
*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************

Use !analyze -v to get detailed debugging information.

BugCheck 8086, {0, 0, 0, 0}

Probably caused by : ntkrnlmp.exe ( nt!KiInterruptDispatch+3c )

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

1: kd> !analyze -v
*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************

Unknown bugcheck code (8086)
Unknown bugcheck description
Arguments:
Arg1: 00000000
Arg2: 00000000
Arg3: 00000000
Arg4: 00000000

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


OVERLAPPED_MODULE: nv4_disp

CUSTOMER_CRASH_COUNT: 2

DEFAULT_BUCKET_ID: INTEL_CPU_MICROCODE_ZERO

BUGCHECK_STR: 0x8086

LAST_CONTROL_TRANSFER: from 8046ad2c to 8042ac99

STACK_TEXT:
f687bc9c 8046ad2c 00000000 800651dd 00000006 nt!KeBugCheck+0xf
f687bc9c 89070000 00000000 800651dd 00000006 nt!KiInterruptDispatch+0x3c
WARNING: Frame IP not in any known module. Following frames may be wrong.
f687bd8c 00000000 00000000 89026b54 89026b74 0x89070000


FOLLOWUP_IP:
nt!KiInterruptDispatch+3c
8046ad2c e95fcaffff jmp nt!Kei386EoiHelper (80467790)

SYMBOL_STACK_INDEX: 1

FOLLOWUP_NAME: MachineOwner

SYMBOL_NAME: nt!KiInterruptDispatch+3c

MODULE_NAME: nt

IMAGE_NAME: ntkrnlmp.exe

DEBUG_FLR_IMAGE_TIMESTAMP: 41773335

STACK_COMMAND: kb

FAILURE_BUCKET_ID: 0x8086_nt!KiInterruptDispatch+3c

BUCKET_ID: 0x8086_nt!KiInterruptDispatch+3c

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