Retrieves BIOS information for a computer, including BIOS version number and release date.

This script was tested using Perl 5.8.0.804 for Microsoft Windows, available from ActiveState.

Perl
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use Win32::OLE('in');
use constant wbemFlagReturnImmediately => 0x10;
use constant wbemFlagForwardOnly => 0x20;

$computer = ".";
$objWMIService = Win32::OLE->GetObject
    ("winmgmts:\\\\$computer\\root\\CIMV2") or die "WMI connection failed.\n";
$colItems = $objWMIService->ExecQuery
    ("SELECT * FROM Win32_BIOS","WQL",wbemFlagReturnImmediately | wbemFlagForwardOnly);

foreach my $objItem (in $colItems)
{
      print "Bios Characteristics: " . join(",", (in $objItem->{BiosCharacteristics})) . "\n";
      print "BIOS Version: " . join(",", (in $objItem->{BIOSVersion})) . "\n";
      print "Build Number: $objItem->{BuildNumber}\n";
      print "Caption: $objItem->{Caption}\n";
      print "Code Set: $objItem->{CodeSet}\n";
      print "Current Language: $objItem->{CurrentLanguage}\n";
      print "Description: $objItem->{Description}\n";
      print "Identification Code: $objItem->{IdentificationCode}\n";
      print "Installable Languages: $objItem->{InstallableLanguages}\n";
      print "Install Date: $objItem->{InstallDate}\n";
      print "Language Edition: $objItem->{LanguageEdition}\n";
      print "List Of Languages: " . join(",", (in $objItem->{ListOfLanguages})) . "\n";
      print "Manufacturer: $objItem->{Manufacturer}\n";
      print "Name: $objItem->{Name}\n";
      print "Other Target OS: $objItem->{OtherTargetOS}\n";
      print "Primary BIOS: $objItem->{PrimaryBIOS}\n";
      print "Release Date: $objItem->{ReleaseDate}\n";
      print "Serial Number: $objItem->{SerialNumber}\n";
      print "SMBIOS BIOS Version: $objItem->{SMBIOSBIOSVersion}\n";
      print "SMBIOS Major Version: $objItem->{SMBIOSMajorVersion}\n";
      print "SMBIOS Minor Version: $objItem->{SMBIOSMinorVersion}\n";
      print "SMBIOS Present: $objItem->{SMBIOSPresent}\n";
      print "Software Element ID: $objItem->{SoftwareElementID}\n";
      print "Software Element State: $objItem->{SoftwareElementState}\n";
      print "Status: $objItem->{Status}\n";
      print "Target Operating System: $objItem->{TargetOperatingSystem}\n";
      print "Version: $objItem->{Version}\n";
      print "\n";
}