Error on pe 2450

I am running 2003 on a poweredge 2450 and i got these errors in the event log

 

Event Type: Error
Event Source: ACPI
Event Category: None
Event ID: 5
Date:  1/29/2007
Time:  2:04:27 PM
User:  N/A
Computer: 
Description:
AMLI: ACPI BIOS is attempting to write to an illegal IO port address (0x70), which lies in the 0x70 - 0x71 protected address range. This could lead to system instability. Please contact your system vendor for technical assistance.

Event Type: Error
Event Source: ACPI
Event Category: None
Event ID: 4
Date:  1/29/2007
Time:  2:04:27 PM
User:  N/A
Computer: 
Description:
AMLI: ACPI BIOS is attempting to read from an illegal IO port address (0x71), which lies in the 0x70 - 0x71 protected address range. This could lead to system instability. Please contact your system vendor for technical assistance.

Event Type: Warning
Event Source: perc2
Event Category: None
Event ID: 26
Date:  1/29/2007
Time:  2:04:33 PM
User:  N/A
Computer: MAIL
Description:
The driver has detected that device \Device\Scsi\perc21 has old or out-of-date firmware. Reduced performance may result.

 

Anyone know what i could to about this?