User manual GIGABYTE GA-686NX

[. . . ] You may also restart by simultaneously press <Ctrl>, <Alt>, and <Del> keys. 4. 2. CONTROL KEYS Up arrow Down arrow Left arrow Right arrow Esc key Move to previous item Move to next item Move to the item in the left hand Move to the item in the right hand Main Menu - Quit and not save changes into CMOS Status Page Setup Menu and Option Page Setup Menu Exit current page and return to Main Menu Increase the numeric value or make changes Decrease the numeric value or make changes General help, only for Status Page Setup Menu and Option Page Setup Menu Change color from total 16 colors Reserved Reserved Restore the previous CMOS value from CMOS, only for Option Page Setup Menu Load the default CMOS value from BIOS default table, only for Option Page Setup Menu Load the default Reserved Reserved Save all the CMOS changes, only for Main Menu 4-1 PgUp key PgDn key F1 key F2 key F3 key F4 key F5 key F6 key F7 key F8 key F9 key F10 key BIOS CONFIGURATION 4. 3. Main Menu The on-line description of the highlighted setup function is displayed at the bottom of the screen. Status Page Setup Menu / Option Page Setup Menu Press F1 to pop up a small help window that describes the appropriate keys to use and the possible selections for the highlighted item. [. . . ] For 100 MHz SDRAM DIMM module. · SDRAM RAS Precharge Time The default value is Slow. For 100 MHz SDRAM DIMM module. · SDRAM CAS latency Time The default value is 3. For 100 MHz SDRAM DIMM module. · CPU Temperature Select The default value is 70°C / 158°F. > 65°C / 149°F will cause system alarming & slow down CPU speed. > 70°C / 158°F will cause system alarming & slow down CPU speed. > 75°C / 167°F will cause system alarming & slow down CPU speed. > 80°C / 176°F will cause system alarming & slow down CPU speed. 70°C / 158°F 75°C / 167°F 80°C / 176°F 4-15 BIOS CONFIGURATION · Disabled Disable monitors CPU Temp. (Overheat) function. Slow Down CPU Duty Cycle The default value is Normal. Normal 12. 5% 25. 0% 37. 5% 50. 0% 62. 5% 75. 0% Set Slow Down CPU Duty Cycle to Normal. Set Slow Down CPU Duty Cycle to 75. 0%. · Alarm When Overheat The default value is Disabled. Enable Alarm When Overheat . · Fan Failure Control The default value is Disabled. PNP/PCI CONFIGURATION 4-20 GA-686NX ROM PCI / ISA BIOS PNP/PCI CONFGURATION AWARD SOFTWARE, INC. PNP OS Installed Resources Controlled by Reset Configuration Data IRQ-3 assigned to IRQ-4 assigned to IRQ-5 assigned to IRQ-7 assigned to IRQ-9 assigned to IRQ-10 assigned to IRQ-11 assigned to IRQ-12 assigned to IRQ-14 assigned to IRQ-15 assigned to DMA-0 assigned to DMA-1 assigned to DMA-3 assigned to DMA-5 assigned to DMA-6 assigned to DMA-7 assigned to : No : Manual : Disabled : Legacy ISA : Legacy ISA : PCI/ISA PnP : Legacy ISA : PCI/ISA PnP : PCI/ISA PnP : PCI/ISA PnP : Legacy ISA : Legacy ISA : Legacy ISA : PCI/ISA PnP : PCI/ISA PnP : PCI/ISA PnP : PCI/ISA PnP : PCI/ISA PnP : PCI/ISA PnP Used MEM base addr *Used MEM Length : N/A : 8K ESC F1 F5 F7 : Select : Quit ¡ô¡õ¡÷¡ö Item : Help PU/PD/+/: Modify : Old Values (Shift)F2 : Color : Load Setup Defaults Figure 4. 6: PCI Slot Configuration * This item will show up when Used MEM base addr has been set. Disable PNP OS Installed function. · Resources Controlled by The default value is Manual. Manual Auto User can set the PnP resource (I/O Address, IRQ & DMA channels) used by legacy ISA DEVICE. BIOS automatically use these PnP rescuers. · Reset Configuration Data The default value is Disabled. 4-21 BIOS CONFIGURATION Disabled Enabled Disable this function. Enable clear PnP information in ESCD. · IRQ (3, 4, 5, 7, 9, 10, 11, 12, 14, 15), DMA(0, 1, 3, 5, 6, 7) assigned to The default value is "Legacy ISA" or "PCI/ISA PnP". The resource is used by PCI/ISA PnP device (PCI or ISA). · Used MEM base addr The default value is N/A. block starting address. · Used MEM Length The default value is 8K. INTEGRATED PERIPHERALS 4-22 GA-686NX ROM PCI / ISA BIOS INTEGRATED PERIPHERALS AWARD SOFTWARE, INC. IDE HDD Block Mode IDE Primary Master PIO IDE Primary Slave PIO IDE Secondary Master PIO IDE Secondary Slave PIO IDE Primary Master UDMA IDE Primary Slave UDMA IDE Secondary Master UDMA IDE Secondary Slave UDMA On-Chip Primary PCI IDE On-Chip Secondary PCI IDE USB Keyboard Support Onboard FDC Controller Onboard Serial Port1 Onboard Serial Port2 Onboard Parallel Port Parallel Port Mode * ECP Mode Use DMA * EPP Mode Select : Enabled : Auto : Auto : Auto : Auto : Auto : Auto : Auto : Auto : Enabled : Enabled : Disabled : Enabled : 3F8/IRQ4 : 2F8/IRQ3 : 378/IRQ7 : SPP :3 : EPP1. 7 PS/2 Mouse Power On Keyboard Power On ** KB Power On Multikey : Disabled : Disabled : Enter ESC F1 F5 F7 : Select : Quit ¡ô¡õ¡÷¡ö Item : Help PU/PD/+/: Modify : Old Values (Shift)F2 : Color : Load Setup Defaults Figure 4. 7: Load Setup Defaults * As ECP Mode is selected, two options can be defined: 1. ECP Mode Use DMA : 1 As EPP Mode is selected, two options can be defined: 1. [. . . ] EXIT WITHOUT SAVING ROM PCI / ISA BIOS EXIT WITHOUT SAVING AWARD SOFTWARE, INC. STANDARD CMOS SETUP BIOS FEATURES SETUP CHIPSET FEATURES SETUP POWER MANAGEMENT SETUP PCI CONFIGURATION INTEGRATED PERIPHERALS LOAD SETUP DEFAULTS USER PASSWORD IDE HDD AUTO DETECTION SAVE & EXIT SETUP EXIT WITHOUT SAVING Quit Without Saving (Y/N)?N ESC F10 : Quit : Save & Exit Setup ¡ô¡õ¡÷¡ö Item : Select (Shift)F2 Abandon all Datas & Exit SETUP : Change Color Figure 4. 11: Exit Without Saving Type "Y" will quit the Setup Utility without saving to RTC CMOS SRAM. Type "N" will return to Setup Utility. 4-31 AT Technical Information 5. AT TECHNICAL INFORMATION 5. 1. 1. [. . . ]