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Biostar A770 A2G+ Версия 6.x [23/38] A770 a2g bios manual
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A770 A2G+ BIOS Manual
22
5 Chipset Menu
This submenu allows you to configure the speci fic features of the chipset installed on
your system. This chipset manage bus speeds and access to system memory
resources, such as DRAM. It also coordinates communications with the PCI bus.
BIOS SETUP UTILITY
Main Advanced PCIPnP Boot Chipset Performance
vxx.xx (C)Copyright 1985-200x, Amer ican Megatre nds, Inc.
Select Screen
Select Item
Go to Sub Screen
General Help
Save and Exit
Exit
Enter
F1
F10
ESC
Options for NBAdvanced Chipset Settings
> SouthBridge Configuration
> RX780 Configuration
> OnBoard Peripherals Configur ation
> NorthBridge Configuration
Exit
NorthBridge Configuration
BIOS SETUP UTILITY
Chipset
vxx.xx (C)Copyright 1985-200x, Amer ican Megatre nds, Inc.
Select Screen
Select Item
Go to Sub Screen
General Help
Save and Exit
Exit
Enter
F1
F10
ESC
NorthBridge Chipset Configurat ion
> ECC Configuration
> DRAM Timing Configuration
> Memory Configuration
Memory CLK :
CAS Latency(Tcl) :
RAS/CAS Delay(Trcd) :
Row Precharge Time(Trp) :
Min Active RAS(Tras) :
RAS/RAS Delay(Trrd) :
Row Cycle (Trc) :
Содержание
- A770 a2g bios manual 1
- A770 a2g bios manual 2
- Acpi support 2
- Apm support 2
- Bios setup 2
- Epa green pc support 2
- Introduction 2
- Plug and play support 2
- A770 a2g bios manual 3
- Dram support 3
- Notice 3
- Pci bus support 3
- Supported cpus 3
- Using setup 3
- A770 a2g bios manual 4
- Ami bios 4
- Main menu 4
- Once you enter ami bios setup utility the main menu will appear on the screen providing an overview of the basic system information 4
- Set the system date note that the day automatically changes when you set the date 4
- Set the system internal clock 4
- Shows system information including bios version and built date 4
- Shows system memory size 4
- System date 4
- System memory 4
- System time 4
- A770 a2g bios manual 5
- Floppy a 5
- Ide configuration 5
- Select the type of floppy disk drive installed in your system options 360k 5 5 in 1 m 5 5 in 720k 3 in 1 4m 3 in 2 8m 3 in none 5
- To enter the sub menu of detailed options 5
- A770 a2g bios manual 6
- A770 a2g bios manual 7
- A770 a2g bios manual 8
- Advanced menu 8
- Beware of that setting inappropriate values in items of this menu may cause system to malfunction 8
- Cpu configuration 8
- Notice 8
- The advanced menu allows you to configure the settings of cpu super i o power management and other system devices 8
- This item shows the cpu information that the bios automatically detects 8
- A770 a2g bios manual 9
- Hyper transport configuration 9
- A770 a2g bios manual 10
- Ht link width 10
- Onboard floppy controller 10
- Parallel port address 10
- Select an address and corresponding interrupt for the first and second serial ports options 3f8 irq4 default 2f8 irq3 3e8 irq4 2e8 irq3 disabled 10
- Select enabled if your system has a floppy disk controller fdc installed on the system board and you wish to use it if you installed another fdc or the system uses no floppy drive select disabled in this field options enabled default disabled 10
- Serial port1 address 10
- Superio configuration 10
- This item allows you to determine access onboard parallel port controller with which i o address options 378 default 278 3bc disabled 10
- This item allows you to determine the data width of hyper transport options auto default 4 bit 8 bit 16 bit 10
- A770 a2g bios manual 11
- A770 a2g bios manual 12
- Choose this item and then the bios will auto test and detect the cpu system fan functions and show cpu system fan speed 12
- Control mode 12
- Cpu smart fan 12
- Restore on ac power loss 12
- Smart fan calibration 12
- Smart fan configuration 12
- This item allows you to control the cpu smart fan function options disabled default auto 4 pin 3 pin 12
- This item provides several operation modes of the fan options quiet performance manual 12
- This setting specifies how your system should behave after a power fail or interrupts occurs by choosing disabled will leave the computer in the power off state choosing enabled will restore the system to the status before power failure or interrupt occurs options power off default power on last state 12
- A770 a2g bios manual 13
- Cpu system fan starts to work under smart fan function when arrive this set value options 0 127 13
- Fan ctrl off 13
- Fan ctrl on 13
- Fan ctrl sensitive 13
- Fan ctrl start value 13
- Hardware health configuration 13
- If the cpu system temperature is lower than the set value fan will turn off options 0 127 13
- Increasing the value will raise the speed of cpu system fan options 1 127 13
- This item shows the system temperature fan speed and voltage information 13
- When cpu system temperature arrives to the set value the cpu system fan will work under smart fan function mode options 0 127 13
- A770 a2g bios manual 14
- Power configuration 14
- A770 a2g bios manual 15
- A770 a2g bios manual 16
- Legacy usb support 16
- Power on by lan 16
- This item allows you control the wake on lan wol function options disabled default enabled 16
- This item allows you control the wake on ring function options disabled default enabled 16
- This item allows you to enable or disabled the usb resume from s3 s4 function options disabled default enabled 16
- This item determines if the bios should provide legacy support for usb devices like the keyboard mouse and usb drive this is a useful feature when using such usb devices with operating systems that do not natively support usb e g microsoft dos or windows nt options enabled default disabled auto 16
- This item shows the usb controller and using usb device information 16
- Usb configuration 16
- Usb wakeup from s3 s4 16
- Wake on ring 16
- A770 a2g bios manual 17
- A770 a2g bios manual 18
- Beware of that setting inappropriate values in items of this menu may cause system to malfunction 18
- Clear nvram 18
- Notice 18
- Pcipnp menu 18
- Plug play os 18
- This item allows you to clear the data in the nvram cmos by selecting yes options no default yes 18
- This section describes configuring the pci bus system pci or personal computer interconnect is a system which allows i o devices to operate at speeds nearing the speed of the cpu itself uses when communicating with its own special components 18
- When set to yes bios will only initialize the pnp cards used for the boot sequence vga ide scsi the rest of the cards will be initialized by the pnp operating system like window 95 when set to no bios will initialize all the pnp cards for non pnp operating systems dos netware this option must set to no options no default yes 18
- A770 a2g bios manual 19
- Allocate irq to pci vga 19
- Palette snooping 19
- Pci ide busmaster 19
- Pci latency timer 19
- Pci resource 19
- Some old graphic controllers need to snoop on the vga palette and then map it to their display as a way to provide boot information and vga compatibility this item allows such snooping to take place options disabled default enabled 19
- This item allows bios to choose an irq to assign for the pci vga card options yes default no 19
- This item controls how long a pci device can hold the pci bus before another takes over the longer the latency the longer the pci device can retain control of the bus before handing it over to another pci device options 64 default 32 96 128 160 192 224 248 19
- This item is a toggle for the built in driver that allows the onboard ide controller to perform dma direct memory access transfers options enabled default disabled 19
- A770 a2g bios manual 20
- Pci express configuration 20
- A770 a2g bios manual 21
- Boot device priority 21
- Boot menu 21
- Hard disk drives 21
- Items in this sub menu specify the boot device priority sequence from the available devices the number of device items that appears on the screen depends on the number of devices installed in the system options removable hard disk cdrom legacy lan disabled 21
- Removable drives 21
- The bios will attempt to arrange the hard disk boot sequence automatically you can also change the booting sequence the number of device items that appears on the screen depends on the number of devices installed in the system options pri master pri slave sec master sec slave usb hdd0 usb hdd1 usb hdd2 bootable add in cards 21
- The bios will attempt to arrange the removable drive boot sequence automatically you can also change the booting sequence the number of device items that appears on the screen depends on the number of devices installed in the system options floppy disks zip100 usb fdd0 usb fdd1 usb zip0 usb zip1 ls120 21
- This menu allows you to setup the system boot options 21
- A770 a2g bios manual 22
- Addon rom display mode 22
- Bootup num lock 22
- Cd dvd drives 22
- Full screen logo show 22
- Ignore memory error messages 22
- Interrupt 19 capture 22
- Quick boot 22
- A770 a2g bios manual 23
- Chipset menu 23
- Northbridge configuration 23
- This submenu allows you to configure the specific features of the chipset installed on your system this chipset manage bus speeds and access to system memory resources such as dram it also coordinates communications with the pci bus 23
- A770 a2g bios manual 24
- A770 a2g bios manual 25
- Dct unganged mode this item controls the dram controller ganged 128bit 1 unganged 64bit 2 dual channel operation mode if two dram modules with different size are installed using unganged mode can still make it run in dual channel operation options always default auto power down enable this item controls the dram power down function options enabled default disabled power down mode this item allows you to select the dram power down mode options channel default chip select 25
- Ecc configuration 25
- Ecc mode this item allows you to select the dram ecc mode options disabled default basic good super max user dram ecc enabled options disabled default enabled 25
- A770 a2g bios manual 26
- Dram scrub redirect options disabled default enabled 4 bit ecc mode options disabled default enabled dram bg scrub data cache bg scrub l2 cache bg scrub l3 cache bg scrub options disabled default 40ns 80ns 160ns 320ns 640ns 1 8us 2 6 us 5 2us 10 us 20 us 41 us 81 us 163 us 327 us 655 us 1 1ms 2 2ms 5 4ms 10 9ms 20 7ms 42 0ms 84 0ms 26
- Dram timing configuration 26
- Memory clock mode this item allows you to control the memory clock options auto default limit manual memclock value this item allows you to set the memory clock options 200mhz default 266mhz 333mhz 400mhz 533mhz dram timing mode this item allows you to choose to manually or automatically regulate the dram timing options auto default dct0 dct1 for am2 cpu both for am2 cpu 26
- A770 a2g bios manual 27
- A770 a2g bios manual 28
- Hd audio azalia device this item allows you to control the hd audio device options enabled default disabled 28
- Ohci hc bus 0 dev 18 19 20 fn 0 1 5 28
- Options enabled default disabled 28
- Sb azalia audio configuration 28
- Southbridge configuration 28
- A770 a2g bios manual 29
- A770 a2g bios manual 30
- Pci express configuration 30
- Rx780 configuration 30
- A770 a2g bios manual 31
- A770 a2g bios manual 32
- A770 a2g bios manual 33
- Mac id information 33
- Onboard peripherals configuration 33
- Realtek option rom 33
- Realtek pcie nic 33
- This area shows the mac id 33
- This item allows you to enable or disable the onboard lan boot rom options disabled default enabled 33
- This option allows you to control the onboard lan controller options enable default disable 33
- A770 a2g bios manual 34
- Beware of that setting inappropriate values in items of this menu may cause system to malfunction 34
- Chipset over voltage 34
- Cpu over voltage 34
- Memory over voltage 34
- Notice 34
- Performance menu 34
- This item allows you to change chipset voltage value options 1 5v default 1 0v 1 5v 1 0v 34
- This item allows you to select cpu voltage value options startup default 0 5v 0 0v 0 5v 34
- This item allows you to select ddr voltage value options 1 5v default 2 5v 2 5v 2 5v 2 5v 2 5v 2 5v 2 5v 34
- This submenu allows you to change voltage and clock of various devices however we suggest you use the default setting changing the voltage and clock improperly may damage the device 34
- A770 a2g bios manual 35
- Cpu frequency 35
- Ht over voltage 35
- A770 a2g bios manual 36
- Abandon all changes made during the current session and exit setup 36
- Abandon all changes made during the current session and restore the previously saved values 36
- Discard changes 36
- Discard changes and exit 36
- Exit menu 36
- Load optimal defaults 36
- Save all configuration changes to cmos ram and exit setup 36
- Save changes and exit 36
- This menu allows you to load the optimal default settings and save or discard the changes to the bios items 36
- This selection allows you to reload the bios when problem occurs during system booting sequence these configurations are factory settings optimized for this system 36
- A770 a2g bios manual 37
- Change supervisor password 37
- Change user password 37
- Clear user password 37
- If the supervisor password is not set then the user password will function in the same way as the supervisor password if the supervisor password is set and the user password is set the user will only be able to view configurations but will not be able to change them 37
- Security 37
- Setting the supervisor password will prohibit everyone except the supervisor from making changes using the cmos setup utility you will be prompted with to enter a password 37
- This item allows supervisor to set the user level options full access default no access view only limited 37
- This item is for clearing user password 37
- This sub menu allows you to provide revise supervisor and user password 37
- User acess level 37
- A770 a2g bios manual 38
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