comp freezes

Log Name: System
Source: ACPI
Date: 10/1/2007 1:06:51 PM
Event ID: 6
Task Category: None
Level: Error
Keywords: Classic
User: N/A
Description:
IRQARB: ACPI BIOS does not contain an IRQ for the device in PCI slot 4,
function 0.
Please contact your system vendor for technical assistance.



Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="ACPI" />
<EventID Qualifiers="49157">6</EventID>
<Level>2</Level>
<Task>0</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2007-10-01T17:06:51.859Z" />
<EventRecordID>31443</EventRecordID>
<Channel>System</Channel>
<Security />
</System>
<EventData>
<Data>
</Data>
<Data>IRQARB</Data>
<Data>4</Data>
<Data>0</Data>

<Binary>000000000400300000000000060005C00000000000 00000000000000000000000000000000000000</Binary>
</EventData>
</Event>

Does this means i have to update my bios? plz hlp, i tired of these freezes.