Fit-PC4 BIOS guide
- See what is BIOS
- fit-PC4 based on Phoenix Technologies BIOS.
- BIOS can be accessed by pressing F2 during power up cycle.
- For BIOS reset instructions refer to fit-PC4 Troubleshooting
The screen provides date, time and boot features settings, as well as basic system information:
- BIOS Version: SBCFP4_18.104.22.1682_9.3 X64 (example)
- Build Time: MM/DD/YYYY
- Platform Type: fit-PC4
- Platform Revision: 1.2 (example)
- Processor Type: AMD GX-420CA SOC with Radeon(TM) HD Graphics (example)
- Processor Speed: 2.00 GHz (example)
- System Memory Speed: 1600 MHz (example)
- L2 Cache RAM: 2048 KB
- Total memory: 8192 MB
- : 4096 MB (DDR3-1600) @ DIMM 0 (example)
- : 4096 MB (DDR3-1600) @ DIMM 1 (example)
- NumLock: Selects Power-on state for NumLock - Off/On
- Timeout: Number of seconds that P.O.S.T. will wait for the user input before booting.
- CSM Support: Compatibility Support Module that provide backward compatibility services for legacy BIOS services, like int10/int13, dependent OS.
- Quick Boot: Enable/disable quick boot.
- Diagnostic Splash Screen: If you select 'Enabled' the diagnostic splash screen always displays during boot. If you select 'Disabled' the diagnostic splash screen does not display unless you press HOTKEY during boot.
- Diagnostic Summary Screen: Display the Diagnostic summary screen during boot.
- BIOS Level USB: Enable/Disable all BIOS support for USB in order to reduce boot time. Note that this prevent using a USB keyboard in setup or USB biometric scanner such as finger print reader to control access to setup, but does not prevent the operating system from supporting such hardware.
- Allow Hotkey in S4 resume: Enable hotkey detection when system resuming from Hibernate state.
- UEFI Boot: Enable the UEFI boot.
- Legacy Boot: Enable the Legacy boot.
- Boot in legacy video mode: Enable to force the display adapter to switch the video mode to Text Mode 3 at the end of BIOS POST for non-UEFI boot mode (Legacy Boot). Some legacy software such as DUET requires that the BIOS explicitly enter text video mode prior to boot.
- Load OPROM: Load all OPROMs or on demand according to the boot device.
The section provides advanced system features and functionality settings.
Warning: For advanced users only. Setting items to incorrect values may cause system to malfunction.
- SD Card Mode: Disabled/ADMA/DMA/PIO
- Audio: Auto/Enabled/Disabled
- AC Loss Conrtol: Set the way fit-PC4 is turned-on after power failure/interruption occurred or the moment power cable is plugged. The available options are:
- Always Off - system remains off
- Always On - system powers on automatically
- Previous State - based on system state before the failure it will be either On or Off
- mPCIE1 Module: Select between mSATA and PCI Express interface on the shared slot. Default mSATA.
- UMI Gen2: Enables/Disables TBD
- FCH GPP OPTION: Enables/Disables TBD
- FCH GPP Port Link: TBD
- X4 mode:
- 2:2 mode:
- 2 1:1 mode:
- 1:1:1:1 mode:
- PSPP Policy: PCIe speed power policy
- Power Saving
Set hard drive and controller configuration:
- SATA Conrtoller: Enable/Disable SATA device.
- SATA Mode: Set SATA controller between legacy IDE and AHCI modes.
- XHCI Controller: Enable/Disable XHCI HCs (Bus 0 Dev 16 Fn 0). When disable it that will active USB3.
- USB1: Enable/Disable USB1 HCs (Bus 0 Dev 18 Fn 0/2)
- USB2: Enable/Disable USB2 HCs (Bus 0 Dev 19 Fn 0/2)
HD Graphics and Audio settings:
- Integrated Graphics: Auto/Disabled/Force - Enable integrated Graphics controller.
- NB Azalia: Auto/Disabled/Enabled - Enable integrated HD Audio controller.
- Watchdog: Enable/Disable watchdog timer.
- Watchdog count: Set Watchdog countdown timer, range between 15 sec-4 min.
Configure different security settings.
Set boot order priorities.
The exit screen provides options to save or discard changes before exiting BIOS.