Tyan Computer GX21 用户手册

In this section, you can fine tune features that affect system 
speed and boot-up options.

This option toggles virus protection on or off for boot sector 
writes. If this function is enabled, the BIOS will display a 
warning message on screen and then beep an alarm, if there 
is an attempt to write data to the boot sector of the IDE hard 
drive. The choices are:

This option toggles the use of CPU L1 and L2 cache. The L1 
cache is also called the primary cache or internal cache and 
is built into the processor. The L2 cache also called as the 
external cache, is placed between the CPU and the DRAM 
(dynamic RAM). A memory cache, sometimes called a cache 
store or RAM cache, is a portion of memory made of high-
speed static RAM (SRAM) instead of the slower and cheaper 
dynamic RAM (DRAM) used for main memory. These caches 

 Virus Warning

 CPU L1 & L2 Cache 

 Hyper-Threading Technology

 Quick Power On Self Test

X

Boot Sequence

 Boot Up NumLock Status

 Gate A20 Option

 Typematic Rate Setting

 X Typematic Rate (Chars/Sec)

 X Typematic Delay (Msec)

 Security Option

 APIC Mode

 MPS Version Control For OS

 OS Select For DRAM > 64MB

 HDD S.M.A.R.T Capability

 Report No FDD For WIN 95

 Small Logo (EPA) Show

[Disabled]

[Enabled]

[Enabled]

[Enabled]

[Press Enter]

[On]

[Fast]

[Disabled]

6

250

[Setup]

[Enabled]

[1.4]

[Non-OS2]

[Disabled]

[No]

[Disabled]

Item Help

____________________

Menu Level  

X

 

Allow you to choose 

the VIRUS warning 

feature for IDE Hard 

Disk boot sector 

protection. If this 

function is enabled 

and someone attempt 

to write data into 

this area, BIOS will 

show a warning 

message on screen 

and alarm beep

↑↓←→

: Move   Enter: Select   +/-/PU/PD: Value   F10: Save   ESC: Exit   F1: General Help

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