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AR-B1570 User’s Guide
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5.3 BIOS FEATURES SETUP
The <BIOS FEATURES SETUP> option consists of configuration entries that allow you to improve your system
performance, or let you set up some system features according to your preference. Some entries here are
required by the CPU board’s design to remain in their default settings for optimal performance.
It is suggested that you leave the settings on the factory default unless you are well versed in BIOS features.
ROM PCI/ISA BIOS (2A434AVF)
BIOS FEATURES SETUP
AWARD SOFTWARE, INC.
Video BIOS Shadow
Cyrix 6x86/MII CPUID
: Enabled
: Enabled
Esc: Quit
F1: Help
F5: Old Values
↑↓→←: Select Item
PU/PD/+/-: Modify
(Shift) F2: Change Color
CPU Internal Cache
Quick Power On Self Test
Boot Sequence
Boot Up NumLock Status
Boot Up System Speed
Gate A20 Option
Memory Parity Check
Typematic Rate Setting
Typematic Rate (Chars/Sec)
Typematic Delay (Msec)
Security Option
PCI/VGA Palette Snoop
: Enabled
: Enabled
: C, CDROM,A
: On
: High
: Fast
: Disabled
: Enabled
: 30
: 250
: Setup
: Disabled
F6: Load BIOS Defaults
F7: Load Setup Defaults
BIOS Features Setup
CPU Internal Cache/External Cache
The two functions speed up memory access. However, it depends on CPU/chipset design. If your CPU is without
Internal cache then this item <CPU Internal Cache> will not be show. The AR-B1570’s GX1 Cyrix CPU has an
internal cache and will automatically be set to <enabled>.
Quick Power On Self-Test
This option speeds up Power On Self Test (POST) after you power on the computer. If it is set to Enable, BIOS
will shorten or skip some items’ checks during POST.
Boot Sequence
The option determines which drive computer searches first for the disk operating system.
Boot Up NumLock Status
This item is used to activate the NumLock function upon system boot. If the setting is on, after a boot, the
NumLock light is lit, and the user can use the number keys.
Boot Up System Speed
This item is used to choose the boot-up speed of system. The choices provided are <LOW> and <HIGH>.
Gate A20 Option
This item is chosen as <Normal>, the A20 signal is controlled by keyboard controller or chipset hardware. The
selection is “Fast” means the A20 signal is Port 92 or a chipset specific method controls.