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

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Tyan Computer TYAN S1668 user manual Chipset Features Setup