Tyan Computer TYAN S1668 user manual Chipset Features Setup

Page 27

wSecurity Option

This category allows you to limit access to the system setup, or just setup. Default value is Setup

Sy s tem

The

system

will

not boot

and access

to Setup

will

be denied

if

the correct

 

password is

not

entered

at the

prompt

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Setup

The

system

will

boot, but

access

to

setup will

be

denied if

the

password is

 

not

entered

at the prompt

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

wPS/2 Mouse Function

Enables or disables PS/2 mouse function. Default is Disabled.

wPCI/VGA Palette Snooping

The purpose of this option is to allow multiple VGA devices on different busses in a system to have data written from CPU to each set of palette registers of every video device. Default is disabled.

wVideo BIOS Shadow

It determines whether Video BIOS will be copied to RAM, however, it is an optional chipset design. Default is Enabled.

4.7 Chipset Features Setup

This screen controls the settings for the board's chip set. The controls for this screen are the same as the previous screen. They should not be changed unless you are familiar with the chipset.

The Chipset Features Screen

ROM ISA BIOS

CHIPSET SETUP UTILITY

AWARD SOFTWARE, INC.

Auto Configuration

 

:Enable

DRAM Speed Selection

 

:70ns

DRAM RAS# Precharge Time :4

MA Additional Wait State

:Enable

RAS# to CAS# Delay

 

:Enable

DRAM Read Burst(B/E/F)

 

:x1/2/3

DRAM Write Burst(B/E/F)

:x2/2/3

ISA Bus Clock

:PCICLK/4

DRAM Refresh Queue

 

:Disable

DRAM RAS# Only Refresh

:Disable

ECC Checking/Generation

:Disable

Fast DRAM Refresh

 

:Disable

Read-Around-Write

 

:Disable

PCI Burst Write Combine

 

:Disable

PCI to DRAM Pipline

 

:Disable

CPU to PCI Write Post

 

:Disable

CPU to PCI IDE Post

 

:Disable

System Cacheable

 

:Enable

Video Cacheable

 

:Enabled

8 bit I/O Recovery Time

:1

16 bit I/O Recovery Time

:1

Memory Hole at 15-16M

:Disable

More Information on these settings can be found at Tyan's web site. http://www.tyan.com

ESC :Quit

:Select Item

F1

:Help

PU/PD/+/- :Modify

F5

:Old Values

(Shift)F2 :Color

F6

:Load BIOS Defaults

F7

:Load Setup Defaults

S1668-ATX-001 http://www.tyan.com

27

Image 27
Contents Tyan S1668 Dual Pentium Pro ATX 440FX PCI-ISA System Board Table Of Contents Introduction Hardware Specifications/Features Environment Software SpecificationsBoard Installation VRM1 On Board Resource Setting .1 S1668 ATX Board LayoutCPU Clock Multiplier J21, J22, J23 and J24 Jumper Settings CPU Speed J27, J21, J22, J23, and J24Cmos Resest/Password Reset J41Default off Dram Voltage J2, J3, J14, J15, J4, J5, J16 and J17DefaultSpeaker Connector J43 Keylock Connector J44 Turbo Switch J47 Non-Turbo Mode Not SupportedSelection J28 & J29 InfraRed Interface Con4 and Con5 Reset Connector J45Turbo LED Connector J42 Flash Eeprom J32DefaultTurbo LED Connector Installation Soft Power On Switch J1 CPU FAN Power J49 and J50Speaker Connector Installation Turbo SwitchRefer to for Flash Eeprom upgrade procedures Hardware Reset Switch Connector InstallationVoltage ID for Older Pentium Pro CPUs J10 and J20 Dram InstallationBank0 Bank1 Bank2 Bank3 Total Memory TableCPU Installation VRM Installation Peripheral Device InstallationConnecting the Power Supply & On/Off Switch Entering Setup Bios ConfigurationControl Keys Getting Help Main Menu Setup Page menu/Option Page Setup MenuPower Management setup Standard Cmos setupBios features setup Chipset features setupStandard Cmos Setup Menu DateTime Drive a type/Drive B type Primary/Secondary Drive typeVideo Halt OnMemory Other Memory Expanded MemoryCPU Internal Cache/External Cache Boot SequenceSwap Floppy Drive Default value is Disabled Virus warningBoot Up NumLock Status Default value is On Boot Up Floppy SeekChipset Features Setup ROM ISA Bios Power Management Setup Award SOFTWARE, INC Power ManagementDoze Mode Standby ModePower Down Activities PCI Slot Configuration PCI/ISA PnP Resources Controlled ByIRQ n assigned to Legacy ISAIntegrated Peripherals Load Setup Defaults ROM ISA Bios Cmos Setup Utility Award SOFTWARE, INC IDE HDD Auto Detection Flash Writer Utility Page Flash Memory Writer Flash Memory Writer Utility Screen AwardSystem Resources Timer & DMA Channel MAP