BIOS settings - Precision 670

[Hervé]

Here are BIOS settings that are known to work on Precision 670 under Snow Leopard, Lion, Mountain Lion, Mavericks and Yosemite. The settings below apply to BIOS A07 with which they were tested and verified:

 

Drives:
. SCSI Controller = Off unless you have a SCSI HDD used with Windows (unsupported under OS X)

. Diskette Driver = Internal  (or any other choice according to needs)

. Drive 0: SATA-0 = On or Off as required

. Drive 0: SATA-1 = On or Off as required

. Drive 0: PATA-0 = On or Off as required

. Drive 0: PATA-1 = On or Off as required

. Drive 0: PATA-2 = On or Off as required

. Drive 0: PATA-3 = On or Off as required

. SATA Operation = RAID Off

. SMART Reporting = On or Off

Onboard devices:

. Integrated NIC = On (supported under SL and Lion in 32bit mode - turn off if using another ethernet card for ML and Mav)

. Integrated Audio = On (supported under SL and Lion in 32bit mode - turn off if using another audio device for ML and Mav)

. USB Controller = On

. 1394 Controller = On

. LPT Port Mode = Off (or any other setting)

. Serial Port #1 = Auto

. Serial Port #2 = Auto

. PS/2 Mouse Port = On

Video:

. Primary Video = PEG
Performance:
. CPU Count = On for dual-CPU setups, Off otherwise

. Multiple CPU Core = On (only available on dual-core capable motherboards fitted with dual-core Paxville Xeons)

. HyperThreading = On (or Off - some tests report that Paxville DP have decreased performance with HyperThreading on)

. SpeedStep = On
. HDD Acoustic Mode = Performance (or any other setting)

Security:
. Admin Password = unset or otherwise

. System Password = unset or otherwise

. Password Changes = Unlocked

. Chassis intrusion = On-Silent

. Execute Disable = On

Power Management:

. AC Recovery = Off

. Auto Power On = Off

. Auto Power Time = Default value

. Low Power Mode = On

. Remote Wake Up = Off

. Suspend Mode = S3

Maintenance:

. SERR DMI Message = On

POST behaviour:

. Fast Boot = On

. Numlock Key = On

. OS Install = Off

. POST Hotkeys = Setup & Boot menu

. Keyboard Errors = Report