User manual GIGABYTE GS-R12P4G

[. . . ] 1. This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION decided for GIGABYTE’s “global” product offering. To better fit local marketrequirements and enhance product competitiveness, your regional office MAY have decided toextend the functionality of a machine (e. g. add-on card, modem, or extra memory capability). These LOCALIZED FEATURES will NOT be covered in this generic service guide. In suchcases, please contact your regional offices or the responsible personnel/channel to provide youwith further technical details. [. . . ] To access the BIOS Setup program, press the <F2> key during the POST when the power is turned on. • BIOS flashing is potentially risky, if you do not encounter problems of using the current BIOS version, it is recommended that you don't flash the BIOS. • It is recommended that you not alter the default settings (unless you need to) to prevent system instability or other unexpected results. Inadequately altering the settings may result in system's failure to boot. If this occurs, try to clear the CMOS values and reset the board to default values. (Refer to the "Restore Defaults" section in this chapter or introductions of the battery/clearing CMOS jumper in Chapter 1 for how to clear the CMOS values. ) BIOS Setup Program Function Keys <f><g> Move the selection bar to select the screen <h><i> Move the selection bar to select an item <Enter> Execute command or enter the submenu <+> Increase the numeric value or make changes <-> Decrease the numeric value or make changes <Esc> Main Menu: Exit the BIOS Setup program Submenus: Exit current submenu <F1> Show descriptions of general help <F3> Restore the previous BIOS settings for the current submenus <F9> Load the Optimized BIOS default settings for the current submenus <F10> Save all the changes and exit the BIOS Setup program - 35 - BIOS Setup  Main This setup page includes all the items in standard compatible BIOS. This setup page includes all the items of AMI BIOS special enhanced features. (ex: Auto detect fan and temperature status, automatically configure hard disk parameters. ) This setup page includes all the submenu options for configuring the function of North Bridge and South Bridge. (ex: Auto detect fan and temperature status, automatically configure hard disk parameters. ) Change, set, or disable supervisor and user password. Configuration supervisor password allows you to restrict access to the system and BIOS Setup. A user password only allows you to view the BIOS settings but not to make changes. Save all the changes made in the BIOS Setup program to the CMOS and exit BIOS Setup. Set maximum Read Reuest size for PCI Express Device or allow system BIOS to select the value. Options available: Auto/128 Bytes/256 Bytes/512 Bytes/1024 Bytes/2048 Bytes/4096 Bytes. Wnen this feature is enabled, the system will allow generation of Extended Synchronization patterns. Default setting is Enabled. Extended Tag No Snoop Maximum Playload Maximum Read Request Extended Synch BIOS Setup - 42 - Link Training Retry Define the number of Retry Attempts software wil take to retrain the link if previous training attempt was unsuccessful. Press <+> / <-> keys to increase or decrease the desired values. Define the number of Microseconds software will wait before polling 'Link Training' bit in Link Status register. Press <+> / <-> keys to increase or decrease the desired values. When this item is set to 'Disable Link, the system will operate power save feature for those unpopulated PCI Express links. Default setting is Keep Link ON. Link Training Timeout (us) Unpopulated Links - 43 - BIOS Setup 5-2-2 Runtime Error Logging Runtime Error Logging Memory Corr. Error Threshold(Note) PCI Error Logging Support(Note) Poison Support(Note) Enable/Disable Runtime error logging support. Press <+> / <-> keys to increase or decrease the desired values. Enable/Disable PCI Error Logging Support. [. . . ] Default setting is Enabled. Erasing Settings Erasing SEL When SEL is Full Choose options for erasing SEL. Default setting is Do Nothing. Custom EFI Logging Options Log EFI Status Codes Enable/Disable the logging of EFI Status Codes (if not already converted to legacy). Default setting is Both. BIOS Setup - 80 - 5-6 Boot Menu The Boot menu allows you to set the drive priority during system boot-up. BIOS setup will display an error message if the legacy drive(s) specified is not bootable. Boot Configuration Setup Prompt Timeout Number of seconds to wait for setup activation key. [. . . ]