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Check for BIOS updates to see if there is a more current system BIOS by entering the BIOS setup [F2] during boot. The BIOS is identified by a string such as BT84520A.86A.0020.P08. Compare the currently installed BIOS string on your computer to the BIOS updates update available from Intel. If a newer BIOS exists, download and install it to ensure maximum functionality and compatibility.
For BIOS updates available for your board, select your board model:
Select ACPI standby state Intel desktop boards support two ACPI standby states: S1 and S3. The S3 state is known as Suspend to RAM (STR) and provides the greatest amount of power savings. While in the S3 state, the PC is silent with the monitor and fans off. In the S1 state, a bit more power is consumed and the fans remain active. Some devices are not ACPI compliant and therefore may not work well with the S3 state. The PC will resume normal operations from either state within 5 - 30 seconds.
To select your ACPI standby state in the BIOS:
- Enter BIOS Setup by pressing [F2] during boot.
- Go to the Power menu.
- Next to ACPI Suspend State, choose either S1 State or S3 State.
- Exit and save changes [F10].
ECC memory is only supported on the Intel® Desktop Board D875PBZ. By default, in the BIOS, ECC memory is disabled to decrease boot time. To enable ECC memory:
- Enter BIOS Setup by pressing [F2] during boot.
- Go to the "Main" screen.
- Next to Memory Configuration, choose Enable.
- Exit and save changes [F10].
Serial ATA RAID (Optional) Intel RAID Technology is only supported on Intel® Desktop Board D875PBZ and certain SKUs of Desktop Board D865PERL. The Serial ATA boot option is disabled by default in the BIOS Setup program. To boot from an SATA drive, the Serial ATA boot option must be enabled in the BIOS. To configure the BIOS for Intel RAID Technology for Serial ATA:
- Enter the BIOS Setup program by pressing the key after the Power-On-Self-Test (POST) memory test begins.
- Select the Advanced menu and then the Drive Configuration menu.
- Switch the ATA/IDE Configuration option from Legacy to Enhanced. Next, switch the RAID option to Enabled.
- Press to save the BIOS settings and exit the BIOS Setup program.
Other BIOS features To learn about or to enable/disable other BIOS features specific to your desktop board, refer to Product Guide on the Intel Express Installer CD-ROM.
This applies to:
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