background image

                                                                                                         

BIOS Setup 

 

- 12 - 

 

DRAM Timing   

This item determines DRAM clock/ timing follow SPD or not. 

The Choices: By SPD

(default), Manual. 

 
SDRAM CAS Latency 

When DRAM is installed, the number of clock cycles of CAS latency 
depends on the DRAM timing.

 

The Choices: 

2.5,

 2

 (default).

 

 

Bank Interleave 

This item allows you to enable or disable the bank interleave feature. 

The Choices: Disabled

 (default). 

 

Precharge to Active (Trp)

 

This items allows you to specify the delay from precharge command to 
activate command.

 

The Choices:

 2T

,

 3T

 (default).

 

 

Active to Precharge (Tras)

 

This items allows you to specify the minimum bank active time.

 

The Choices: 6T

 (default), 5T.

 

 

Active to CMD (Trcd)

 

Use this item to specify the delay from the activation of a bank to the 
time that a read or write command is accepted.

 

The Choices:

 2T

,

 3T

 (default). 

 

DRAM Command Rate 

This item controls clock cycle that must occur between the last valid   
write operation and the next command. 

The Choices: 

1T Command, 

2T Command 

(default). 

 

DRAM Burst Len

 

The Choices: 4

 (default), 8. 

 

CPU read DRAM Mode

 

The Choices: Medium

 (default), Slow, Fast. 

 

AGP & P2P Bridge Control

 

If you highlight the literal “Press Enter” next to the “AGP & P2P Bridge Control” 
label and then press the enter key, it will take you a submenu with the following 
options: 
 
 

       

AGP Aperture Size 

 

Select the size of the Accelerated Graphics Port (AGP) aperture. The 
aperture is a portion of the PCI memory address range dedicated for 

Содержание U8868

Страница 1: ...1 Main Menu 3 Standard CMOS Features 6 Advanced BIOS Features 8 Advanced Chipset Features 11 Integrated Peripherals 16 Power Management Setup 20 PnP PCI Configurations 25 PC Health Status 28 Frequenc...

Страница 2: ...ward BIOS but nonstandard features such as virus and password protection as well as special support for detailed fine tuning of the chipset controlling the entire system The rest of this manual is int...

Страница 3: ...using the keyboard Keystroke Function Up arrow Move to previous item Down arrow Move to next item Left arrow Move to the item on the left menu bar Right arrow Move to the item on the right menu bar E...

Страница 4: ...ect among the items and press Enter to accept and enter the sub menu The information about BIOS defaults on manual is just for reference please refer to the BIOS installed on board for update informat...

Страница 5: ...oltage Control This submenu allows you to change CPU clock ratio However when you try to change different CPU clock ratio you should check your CPU frequency in advance The CPU clock ratio should be c...

Страница 6: ...he User will only be able to view configurations but will not be able to change them Save Exit Setup Save all configuration changes to CMOS memory and exit setup Confirmation message will be displayed...

Страница 7: ...rd CMOS Setup Menu are divided into 10 categories Each category includes no one or more than one setup items Use the arrow keys to highlight the item and then use the PgUp or PgDn keys to select the v...

Страница 8: ...etailed options IDE Secondary Slave Options are in its sub menu Press Enter to enter the sub menu of detailed options Drive A Drive B 360K 5 25 in 1 2M 5 25 in 720K 3 5 in 1 44M 3 5 in 2 88M 3 5 in No...

Страница 9: ...t sector BIOS will display a warning message on the screen and sound an alarm beep Disabled default Virus protection is disabled Enabled Virus protection is activated CPU L1 L2 Cache Depending on the...

Страница 10: ...ppy Seek Enabling this option will test the floppy drives to determine if they have 40 or 80 tracks Disabling this option reduces the time it takes to boot up The Choices Enabled default Disabled Boot...

Страница 11: ...is will only apply if passwords are set from the Setup main menu OS Select For DRAM 64MB A choice other than Non OS2 is only used for OS2 systems with memory exceeding 64MB The Choices Non OS2 default...

Страница 12: ...ngs that came with your system have been optimized and therefore should not be changed unless you are suspicious that the settings have been changed incorrectly Figure 4 Advanced Chipset Setup DRAM Cl...

Страница 13: ...The Choices 6T default 5T Active to CMD Trcd Use this item to specify the delay from the activation of a bank to the time that a read or write command is accepted The Choices 2T 3T default DRAM Comman...

Страница 14: ...AGP Master 1 WS Write When Enabled writes to the AGP Accelerated Graphics Port are executed with one wait states The Choices Disabled default Enabled AGP Master 1 WS Read When Enabled read to the AGP...

Страница 15: ...system performance However any programs writing to this area of memory will cause conflicts and result in system errors The Choices Enabled Disabled default Video RAM Cacheable Enabling this option a...

Страница 16: ...time as CPU Direct Access FB mode If used this bit must be set before enabling the internal VGA to prevent display corruption The Choices Enabled default Disabled FB Page Close Prediction This feature...

Страница 17: ...et contains a PCI IDE interface with support for two IDE channels Select Enabled to activate the first and or second IDE interface Select Disabled to deactivate an interface if you are going to instal...

Страница 18: ...Press Enter next to the VIA OnChip PCI Device label and then press the enter key it will take you a submenu with the following options VIA 3058 AC97 Audio This option allows you to control the onboard...

Страница 19: ...ed to the IR port Full duplex mode permits simultaneous two direction transmission Half duplex mode permits transmission in one direction only at a time The Choices Half default Full Onboard Parallel...

Страница 20: ...need to disable this feature if you add a higher performance controller The Choices All Enabled default All Disabled 1 2 USB Port 2 3 USB Port 1 3 USB Port 1 USB Port 2 USB Port 3 USB Port USB Keyboa...

Страница 21: ...d Power Management ACPI The Choices Enabled default Disabled ACPI Suspend Type The item allows you to select the suspend type under the ACPI operating system The Choices S1 POS default Power on Suspen...

Страница 22: ...em allows you to select the suspend type under ACPI operating system The Choices Disabled default 1 Min 2 Min 4 Min 6 Min 8 Min 10 Min 20 Min 30 Min 40 Min 1 Hour Video Off Option This field determine...

Страница 23: ...C power is supplied and the Power Supply is not turned on 5VSB from the Power Supply is used When the Power Supply is eventually turned on 3 3V from the Power Supply will be used There are 3 options F...

Страница 24: ...Full ON state The Choices Disabled default Enabled Wake Up On LAN Ring To use this function you need a LAN add on card which support power on function It should also support the wake up on LAN jump Di...

Страница 25: ...sabled IRQ4 COM1 Enabled IRQ5 LPT2 Enabled IRQ6 Floppy Disk Enabled IRQ7 LPT1 Enabled IRQ8 RTC Alarm Disabled IRQ9 IRQ2 Redir Disabled IRQ10 Reserved Disabled IRQ11 Reserved Disabled IRQ12 PS 2 Mouse...

Страница 26: ...ill 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 t...

Страница 27: ...abled default Enabled Resources Controlled By By Choosing Auto default the system BIOS will detect the system resources and automatically assign the relative IRQ and DMA channel for each peripheral By...

Страница 28: ...ller should not respond to the Write it should only snoop the data and permit the access to be forwarded to the ISA bus The non VGA ISA graphic controller can then snoop the data on the ISA bus Unless...

Страница 29: ...omatically Current CPU Temperature This field displays the current temperature of CPU Current CPU FAN Speed This field displays the current speed of CPU fan Current SYS FAN Speed This field displays t...

Страница 30: ...wn temperature of the CPU in order not to be damaged by the overheated temperature When this function is enabled the system will automatically shutdown if the CPU temperature reaches the shutdown temp...

Страница 31: ...ct PCI DIMM Clk This item allows you to enable disable auto detect DIMM PCI Clock The Choices Enabled default Disabled Spread Spectrum This item allows you to enable disable the Spread Spectrum functi...

Страница 32: ...by setting the JCMOS1 2 3 closed as ON status All the CMOS data will be loaded as defaults setting Method 2 Press the Insert key and Power button simultaneously after that keep on pressing the Insert...

Отзывы: