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− | == Overview ==
| + | [[fitlet BIOS guide]] |
− | Basic Input/Output System (BIOS) standard defines firmware interface. The fundamental purposes of BIOS is to initialize, test system hardware, and load a bootloader or operating system from mass memory. BIOS also provides an abstraction layer for hardware, a consistent way for application programs and operating systems to interact with the keyboard, display, and other input/output devices.
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− | * BIOS code stored in non-volatile SNOR flash memory and accessed during power up phase.
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− | * BIOS technology is in transitional process toward the Unified Extensible Firmware Interface (UEFI) since 2010. UEFI is a specification that defines a software interface between an operating system and platform firmware. UEFI images provide legacy support for BIOS services.
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− | * BIOS vendor is American Megatrends Inc. (AMI).
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− | * BIOS can be accessed by pressing ''Del'' during power up phase.
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− | == BIOS Menu ==
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− | === Main ===
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− | The screen provides date, time and boot features settings, as well as basic system information.
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− | === Advanced ===
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− | Advanced screen contains most of system features and functionality configurations.
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− | Warning: Setting items on this screen to incorrect values may cause the system to malfunction.
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− | ==== PCI Settings ====
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− | PCI Latency Timer: TBD
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− | VGA Palette Snoop: TBD
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− | PERR# Generation: TBD
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− | SERR# Generation: TBD
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− | Relaxed Ordering: TBD
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− | Extended Tag: TBD
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− | No Snoop: TBD
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− | Maximum Payload: TBD
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− | Maximum Read Request: TBD
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− | ASPM Support: TBD
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− | Extended Synch: TBD
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− | Link Training Retry: TBD
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− | Link Training Timeout (uS): TBD
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− | Restore PCIE Registers: TBD
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− | ==== Power Settings ====
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− | ACPI Auto Configuration: TBD
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− | Hibernation State: TBD
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− | Sleep State: TBD
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− | Lock Legacy Resources: TBD
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− | Restore on AC Power Loss: TBD
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− | APU TDP: TBD
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− | ==== TPM Settings ====
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− | Security Device Support: TBD
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− | ==== CPU Settings ====
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− | PSS Support: TBD
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− | PSTATE Adjustment: TBD
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− | NX Mode: TBD
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− | SVM Mode: TBD
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− | C6 Mode: TBD
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− | CPB Mode: TBD
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− | Core Leveling Mode: TBD
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− | ==== Video Settings ====
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− | Integrated Graphics: TBD
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− | UMA Frame Buffer Size: TBD
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− | Remote Display Feature: TBD
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− | HDMI Audio: TBD
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− | IOMMU: TBD
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− | PSPP Policy: TBD
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− | ==== SATA Settings ====
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− | OnChip SATA Channel: TBD
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− | OnChip SATA Type: TBD
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− | OnChip IDE Mode: TBD
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− | SATA IDE Combined Mode: TBD
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− | ==== Memory Settings ====
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− | Memory Clock: TBD
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− | Memory Clear: TBD
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− | ===== Memory Configuration =====
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− | Memory Hole Remapping: TBD
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− | Bank Interleaving: TBD
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− | Memory Hole 15MB – 16MB: TBD
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− | ===== Socket Information =====
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− | ==== SDIO Settings ====
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− | SDIO Access Mode: TBD
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− | Mass Storage Device Emulation Type: TBD
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− | ==== USB Settings ====
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− | Legacy USB Support: TBD
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− | XHCI Hand-off: TBD
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− | EHCI Hand-off: TBD
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− | USB Mass Storage Driver Support: TBD
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− | Port 60/64 Emulation: TBD
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− | USB transfer timeout: TBD
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− | Device reset timeout: TBD
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− | Device power-up delay: TBD
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− | === Boot ===
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− | TBD
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− | Setup Prompt Timeout: TBD
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− | Bootup Numlock State: TBD
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− | Quiet Boot: TBD
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− | Fast Boot: TBD
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− | SATA Support : TBD
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− | VGA Support: TBD
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− | USB Support: TBD
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− | PS2 Device Support: TBD
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− | Network Stack Driver Support: TBD
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− | UEFI Boot: TBD
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− | Boot Mode Select: TBD
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− | Fixed Boot Order Priorities: TBD
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− | 2.3.1 CSM16 Parameters
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− | TBD
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− | GateA20 Active: TBD
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− | Option ROM Messages: TBD
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− | INT19 Trap Response: TBD
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− | 2.3.2 CSM Parameters
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− | TBD
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− | Launch CSM: TBD
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− | Boot option filter: TBD
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− | Launch PXE OpROM policy: TBD
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− | Launch Storage OpROM policy: TBD
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− | Launch Video OpROM policy: TBD
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− | Other PCI device ROM priority: TBD
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− | 2.3.3 USB Key Drive BBS Priorities
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− | TBD
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− | === Security ===
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− | TBD
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− | Administrator Password: TBD
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− | User Password: TBD
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− | 2.4.1 Secure Boot Menu
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− | TBD
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− | Secure Boot: TBD
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− | Secure Boot Mode: TBD
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− | Key Management: TBD
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− | === Save & Exit ===
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− | The exit screen provides options to save or discard changes before exiting BIOS.
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