Platform Crash Express 500

Hello,
We have a WS-CE500-24PC (12.2(25)FY-CE500-LANBASE-M) that is crashing every day or 2, and we have no idea why. Date and time reverts back to default settings, however other settings such as Voice Vlan, and roles are maintained.
The log is below. Any help would be greatly appreciated.
thanks
System previously crashed with the following message:
Cisco IOS Software
Copyright (c) 1986-2005 by Cisco Systems
Compiled Fri 09-Sep-05 11:49 by antonino
Data TLB Miss Exception (0x1100)!
SRR0 = 0x0035D734 SRR1 = 0x00029210 SRR2 = 0x005530EC SRR3 = 0x00021200
ESR = 0x00000000 DEAR = 0xEBA9DF50 TSR = 0x8C000000 DBSR = 0x00000000
CPU Register Context:
Vector = 0x00001100 PC = 0x0035D734 MSR = 0x00029210 CR = 0x30553009
LR = 0x0035D754 CTR = 0x00150EE4 XER = 0xE0000000
R0 = 0xEAB097F0 R1 = 0x015BF230 R2 = 0x00000000 R3 = 0x00000000
R4 = 0x015BF230 R5 = 0x015BF234 R6 = 0x015BF220 R7 = 0x00000000
R8 = 0x00000001 R9 = 0x00F94760 R10 = 0x010D0000 R11 = 0xBEEF3ACC
R12 = 0x02C50916 R13 = 0x00110000 R14 = 0x00000000 R15 = 0x00000000
R16 = 0x00000001 R17 = 0x00000000 R18 = 0x00000000 R19 = 0x00000000
R20 = 0x0116DAE0 R21 = 0x00000001 R22 = 0x00000000 R23 = 0x015BF278
R24 = 0x00000000 R25 = 0x010D0000 R26 = 0x00AD0000 R27 = 0x00AD0000
R28 = 0xFEDE7B1C R29 = 0x00000000 R30 = 0x01820485 R31 = 0x0182063C
Stack trace:
PC = 0x0035D734
Frame 00SP = 0x015BF238 PC = 0x015BF248
Frame 01SP = 0x015BF240 PC = 0x004B83C4
Frame 02SP = 0x015BF270 PC = 0x004AD210
Frame 03SP = 0x015BF2B0 PC = 0x004C1A0C
Frame 04SP = 0x015BF2C8 PC = 0x004C1BB8
Frame 05SP = 0x015BF320 PC = 0x0078C5EC
Frame 06SP = 0x015BF340 PC = 0x0078582C
Frame 07SP = 0x015BF360 PC = 0x00785954
Frame 08SP = 0x015BF3A0 PC = 0x00787108
Frame 09SP = 0x015BF3B0 PC = 0x007871F0
Frame 10SP = 0x015BF490 PC = 0x006EA49C
Frame 11SP = 0x015BF5B0 PC = 0x006EAF44
Frame 12SP = 0x015BF5D8 PC = 0x00731E48
Frame 13SP = 0x015BF638 PC = 0x00625A88
Frame 14SP = 0x015BF678 PC = 0x0063DA28
Frame 15SP = 0x015BF6A8 PC = 0x0063DE9C

thanks,
yes tried this over the weekend, but the problem still remains... there doesnt appear to be any pattern, its totally random. im wondering if it could possibly be a configuration issue, or more of a harware issue.

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