about date of bios instalation

Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\rahul>systeminfo

Host Name: RKDF-E44393C5D7
OS Name: Microsoft Windows XP Professional
OS Version: 5.1.2600 Service Pack 2 Build 2600
OS Manufacturer: Microsoft Corporation
OS Configuration: Standalone Workstation
OS Build Type: Multiprocessor Free
Registered Owner: rkdf
Registered Organization: rkdf
Product ID: 55274-640-6819812-23514
Original Install Date: 12/28/2008, 1:33:23 AM
System Up Time: 0 Days, 0 Hours, 14 Minutes, 43 Seconds
System Manufacturer: System manufacturer
System Model: System Product Name
System type: X86-based PC
Processor(s): 2 Processor(s) Installed.
[01]: x86 Family 15 Model 4 Stepping 7 GenuineIntel
2800 Mhz
[02]: x86 Family 15 Model 4 Stepping 7 GenuineIntel
2800 Mhz
BIOS Version: 011508 - 20080115
Windows Directory: C:\WINDOWS
System Directory: C:\WINDOWS\system32
Boot Device: \Device\HarddiskVolume1
System Locale: en-us;English (United States)
Input Locale: en-us;English (United States)
Time Zone: (GMT+05:30) Chennai, Kolkata, Mumbai, New Delhi
Total Physical Memory: 895 MB
Available Physical Memory: 472 MB
Virtual Memory: Max Size: 2,048 MB
Virtual Memory: Available: 2,001 MB
Virtual Memory: In Use: 47 MB
Page File Location(s): C:\pagefile.sys
Domain: WORKGROUP
Logon Server: \\RKDF-E44393C5D7