Phoenix Technologies Ltd.®
CMOS Setup Utility User's Guide
for ALI 1487/1489 Chipset
EliteBIOS Version 4.51PG
Table of Contents
Introduction to Setup - 2
Main Setup Menu - 6
Standard CMOS Setup - 8
BIOS Features Setup - 12
Chipset Features Setup -16
Power Management - 18
PCI Configuration - 21
Password Setting - 23
1
Introduction to Setup
This manual describes the Phoenix Technologies AwardBIOS Setup program. The Setup program
lets you modify basic system configuration settings. The settings are then stored in a dedicated
battery-backed memory, called CMOS RAM, that retains the information when the power is
turned off.
The Phoenix Technologies AwardBIOS in your computer is a customized version of an industrystandard BIOS for IBM PC AT-compatible personal computers. It supports Intel x86 and
compatible processors. The BIOS provides critical low-level support for the system central
processing, memory, and I/O subsystems.
The Phoenix Technologies AwardBIOS has been customized by adding important, but
nonstandard, features such as virus and password protection, power management, and detailed
fine-tuning of the chipset controlling the system.
The rest of this manual is intended to guide you through the process of configuring your system
using Setup.
Starting Setup
The Phoenix Technologies AwardBIOS is immediately activated when you first turn on the
computer. The BIOS reads system configuration information in CMOS RAM and begins the
process of checking out the system and configuring it through the power-on self test (POST).
When these preliminaries are finished, the BIOS seeks an operating system on one of the data
storage devices (hard drive, floppy drive, etc.). The BIOS launches the operating system and
hands control of system operations to it.
During POST, you can start the Setup program in one of two ways:
1. By pressing Del immediately after switching the system on, or
2. By pressing Del or by pressing Ctrl-Alt-Esc when the following message appears briefly at
the bottom of the screen during POST:
TO ENTER SETUP BEFORE BOOT PRESS CTRL-ALT-ESC OR DEL KEY
If the message disappears before you respond and you still wish to enter Setup, restart the
system to try again by turning it OFF then ON or by pressing the RESET button on the
system case. You may also restart by simultaneously pressing Ctrl-Alt-Del. If you do not press
the keys at the correct time and the system does not boot, an error message appears and you
are again asked to
PRESS F1 TO CONTINUE, CTRL-ALT-ESC OR DEL TO ENTER SETUP
2
Setup Keys
These keys help you navigate in Setup:
Up arrow
Down
arrow
Left
arrow
Right
arrow
Esc
PgUp
PgDn
Move to previous item
Move to next item
Move to the item in the left hand
Move to the item in the right hand
Main Menu: Quit and not save changes into CMOS RAM.
Other pages: Exit current page and return to Main Menu
Increase the numeric value or make changes
Decrease the numeric value or make changes
+
-
F1
F2
F3
Increase the numeric value or make changes
Decrease the numeric value or make changes
General help, only for Status Page Setup Menu and Option Page Setup Menu
Change color from total 16 colors. F2 to select Shift-F2 color forward, Shift-F2 to
select color backward
Calendar, only for Status Page Setup Menu
3
F4
Reserved
F5
F6
F7
F8
F9
F10
Restore the previous CMOS value from CMOS, only for Option Page Setup Menu
Load the default CMOS RAM value from BIOS default table, only for Option Page
Setup Menu
Load the default
Reserved
Reserved
Save all the CMOS changes, only for Main Menu
Getting Help
Press F1 to pop up a small help window that describes the appropriate keys to use and the
possible selections for the highlighted item. To exit the Help Window press Esc or the F1 key
again.
In Case of Problems
If, after making and saving system changes with Setup, you discover that your computer no
longer is able to boot, the Phoenix Technologies AwardBIOS supports an override to the CMOS
settings that resets your system to its default configuration.
You can invoke this override by immediately pressing Insert when you restart your computer.
You can restart by either using the ON/OFF switch, the RESET button or by pressing Ctrl-AltDelete.
The best advice is to alter only settings that you thoroughly understand. In particular, do not
change settings in the Chipset screen without a good reason. The Chipset defaults have been
carefully chosen by Phoenix Technologies or your system manufacturer for the best performance
and reliability. Even a seemingly small change to the Chipset setup may causing the system to
become unstable.
4
Setup Variations
Not all systems have the same Setup. While the basic look and function of the Setup program
remains the same for all systems, the appearance of your Setup screens may differ from the
screens shown here. Each system design and chipset combination require custom configurations.
In addition, the final appearance of the Setup program depends on your system designer. Your
system designer can decide that certain items should not be available for user configuration and
remove them from the Setup program.
5
Main Setup Menu
When you enter the Phoenix Technologies AwardBIOS CMOS Setup Utility, a Main Menu
appears on the screen. The Main Menu allows you to select from several Setup functions and two
exit choices. Use the arrow keys to select among the items and press Enter to accept and enter the
submenu.
A brief description of each highlighted selection appears at the bottom of the screen.
Following is a brief summary of each Setup category.
Standard
CMOS
BIOS
Features
Chipset
Features
Power
Managem
ent
PCI
Configura
tion
Password
Setting
IDE HDD
Auto
Detection
HDD
Low
Level
Format
Load
BIOS
Defaults
Load
Setup
Defaults
Save &
Exit
Setup
Options in the original PC AT-compatible BIOS.
Phoenix Technologies enhanced BIOS options.
Options specific to your system chipset.
Advanced Power Management (APM) options.
PCI Local Bus configuration options.
Change, set, or disable a password. In BIOS versions that allow separate user and
supervisor passwords, only the supervisor password permits access to Setup. The
user password generally allows only power-on access.
Automatically detect and configure IDE hard disk parameters.
This option does not appear in many BIOS versions. Most manufacturers of IDE
hard drives strongly recommend that you do not run a low-level format on their
drives, because of the danger that the bad-track table may be over-written. Phoenix
Technologies supplies this utility for service personnel only. If you feel that you
need to run a low-level format on your hard drive, contact your drive
manufacturer for instructions!
BIOS defaults are factory settings for the most stable, minimal-performance system
operations.
Setup defaults are factory settings for optimal-performance system operations.
Save settings in nonvolatile CMOS RAM and exit Setup.
6
Exit
Without
Save
Abandon all changes and exit Setup.
7
Standard CMOS Setup
In the Standard CMOS menu you can set the system clock and calendar, record disk drive
parameters and the video subsystem type, and select the type of errors that stop the BIOS POST.
Date
The BIOS determines the day of the week from the other date information. This field is for
information only.
Press the right arrow or left arrow key to move to the desired field (date, month, year). Press the
PgUp or PgDn key to increment the setting, or type the desired value into the field.
Time
The time format is based on the 24-hour military-time clock. For example, 1 p.m. is 13:00:00.
Press the right arrow or left arrow key to move to the desired field . Press the PgUp or PgDn key
to increment the setting, or type the desired value into the field.
Daylight Saving
This category may not be present in your Setup program. When enabled, it adds one hour to the
clock when daylight-saving time begins. It also subtracts one hour when standard time returns.
HARD DISKS
The BIOS supports up to four IDE drives. This section does not show information about other
IDE devices, such as a CD-ROM drive, or about other hard drive types, such as SCSI drives.
NOTE: We recommend that you select type AUTO for all drives.
The BIOS can automatically detect the specifications and optimal operating mode of almost all
IDE hard drives. When you select type AUTO for a hard drive, the BIOS detects its specifications
during POST, every time the system boots.
If you do not want to select drive type AUTO, other methods of selecting the drive type are
available:
1. Match the specifications of your installed IDE hard drive(s) with the preprogrammed
values for drive types 1 through 45.
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2. Select USER and enter values into each drive parameter field.
3. Use the IDE HDD AUTO DECTECTION function in Setup.
Here is a brief explanation of drive specifications:
Type: The BIOS contains a table of pre-defined drive types. Each defined drive type has a
specified number of cylinders, number of heads, write precompensation factor, landing
zone, and number of sectors. Drives whose specifications do not accommodate any predefined type are classified as type USER.
. Size: Disk drive capacity (approximate). Note that this size is usually slightly greater than
•
the size of a formatted disk given by a disk-checking program.
. Cyls: Number of cylinders
•
. Head: Number of heads
•
. Precomp: Write precompensation cylinder
•
. Landz: Landing zone
•
. Sector: Number of sectors
•
. Mode: Auto, Normal, large, or LBA
•
Auto: The BIOS automatically determines the optimal mode.
. Normal: Maximum number of cylinders, heads, and sectors supported are 1024,
•
16, and 63.
. Large: For drives that do not support LBA and have more than 1024 cylinders.
•
. LBA (Logical Block Addressing): During drive accesses, the IDE controller
•
transforms the data address described by sector, head, and cylinder number into a
physical block address, significantly improving data transfer rates. For drives with
greater than 1024 cylinders.
Drive A
Drive B
Select the correct specifications for the diskette drive(s) installed in the computer:
None No diskette drive installed
360K, 5.25 in 5-1/4 inch PC-type standard drive; 360 kilobyte
capacity
1.2M, 5.25 in 5-1/4 inch AT-type high-density drive; 1.2
megabyte capacity
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720K, 3.5 in 3-1/2 inch double-sided drive; 720 kilobyte
capacity
1.44M, 3.5 in 3-1/2 inch double-sided drive; 1.44 megabyte
capacity
2.88M, 3.5 in 3-1/2 inch double-sided drive; 2.88 megabyte
capacity
Video
Select the type of primary video subsystem in your computer. The BIOS usually detects the
correct video type automatically. The BIOS supports a secondary video subsystem, but you do
not select it in Setup.
EGA/VGA Enhanced Graphics Adapter/Video Graphics Array.
For EGA, VGA, SEGA, SVGA or PGA monitor adapters.
CGA 40 Color Graphics Adapter, power up in 40 column mode
CGA 80 Color Graphics Adapter, power up in 80 column mode
MONO Monochrome adapter, includes high resolution
monochrome adapters
Halt On
During the power-on self-test (POST), the computer stops if the BIOS detects a hardware error.
You can tell the BIOS to ignore certain errors during POST and continue the boot-up process.
These are the selections:
No errors POST does not stop for any errors.
All errors If the BIOS detects any non-fatal error, POST
stops and prompts you to take corrective
action.
All, POST does not stop for a keyboard error, but
But Keyboard stops for all other errors.
All, But POST does not stop for diskette drive errors,
Diskette but stops for all other errors.
All, But POST does not stop for a keyboard or disk
Disk/Key error, but stops for all other errors.
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Memory
You cannot change any values in the Memory fields; they are only for your information. The fields
show the total installed random access memory (RAM) and amounts allocated to base memory,
extended memory, and other (high) memory. RAM is counted in kilobytes (KB: approximately
one thousand bytes) and megabytes (MB: approximately one million bytes).
RAM is the computer's working memory, where the computer stores programs and data currently
being used, so they are accessible to the CPU. Modern personal computers may contain up to 64
MB, 128 MB, or more.
Base Memory
Typically 640 KB. Also called conventional memory. The DOS operating system and
conventional applications use this area.
Extended Memory
Above the 1-MB boundary. Early IBM personal computers could not use memory above 1
MB, but current PCs and their software can use extended memory.
Other Memory
Between 640 KB and 1 MB; often called High memory. DOS may load terminate-andstay-resident (TSR) programs, such as device drivers, in this area, to free as much
conventional memory as possible for applications. Lines in your CONFIG.SYS file that
start with LOADHIGH load programs into high memory.
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BIOS Features Setup
This screen contains industry-standard options additional to the core PC AT BIOS. This section
describes all fields offered by Phoenix Technologies in this screen. Your system board designer
may omit or modify some fields.
Virus Warning
When Enabled, you receive a warning message if a program (specifically, a virus) attempts to
write to the boot sector or the partition table of the hard disk drive. You should then run an antivirus program. Keep in mind that this feature protects only the boot sector, not the entire hard
drive.
NOTE: Many disk diagnostic programs that access the boot sector table can trigger the virus
warning message. If you plan to run such a program, we recommend that you first disable the
virus warning.
CPU Internal Cache/External Cache
Cache memory is additional memory that is much faster than conventional DRAM (system
memory). CPUs from 486-type on up contain internal cache memory, and most, but not all,
modern PCs have additional (external) cache memory. When the CPU requests data, the system
transfers the requested data from the main DRAM into cache memory, for even faster access by
the CPU.
The External Cache field may not appear if your system does not have external cache memory.
Quick Power On Self Test
Select Enabled to reduce the amount of time required to run the power-on self-test (POST). A
quick POST skips certain steps. We recommend that you normally disable quick POST. Better to
find a problem during POST than lose data during your work.
Boot Sequence
The original IBM PCs loaded the DOS operating system from drive A (floppy disk), so IBM PCcompatible systems are designed to search for an operating system first on drive A, and then on
drive C (hard disk). However, modern computers usually load the operating system from the hard
drive, and may even load it from a CD-ROM drive.
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Swap Floppy Drive
This field is effective only in systems with two floppy drives. Selecting Enabled assigns physical
drive B to logical drive A, and physical drive A to logical drive B.
Boot Up Floppy Seek
When Enabled, the BIOS tests (seeks) floppy drives to determine whether they have 40 or 80
tracks. Only 360-KB floppy drives have 40 tracks; drives with 720 KB, 1.2 MB, and 1.44 MB
capacity all have 80 tracks. Because very few modern PCs have 40-track floppy drives, we
recommend that you set this field to Disabled to save time.
Boot Up NumLock Status
Toggle between On and Off to control the state of the NumLock key when the system boots.
When toggled On, the numeric keypad generates numbers instead of controlling cursor
operations.
Boot Up System Speed
Select High to boot at the default CPU speed; select Low to boot at the speed of the AT bus.
Some add-in peripherals or old software (such as old games) may require a slow CPU speed.
Gate A20 Option
Gate A20 refers to the way the system addresses memory above 1 MB (extended memory). When
set to Fast, the system chipset controls Gate A20. When set to Normal, a pin in the keyboard
controller controls Gate A20. Setting Gate A20 to Fast improves system speed, particularly with
OS/2 and Windows.
Memory Parity Check
Parity is a testing feature built into some system memory chips (DRAM). Select Enabled only if
your system DRAM contains parity. This field may not be present in systems without parity
DRAM.
Selecting Enabled adds a parity check to the boot-up memory tests. If the BIOS detects a parity
error, a message appears, describing the problem and, if possible, the location of the problem. The
13
boot process then terminates and you must replace the faulty DRAM.
Selecting Disabled omits the memory parity check.
Typematic Rate Setting
When Disabled, the following two items (Typematic Rate and Typematic Delay) are irrelevant.
Keystrokes repeat at a rate determined by the keyboard controller in your system.
When Enabled, you can select a typematic rate and typematic delay.
Typematic Rate (Chars/Sec)
When the typematic rate setting is enabled, you can select a typematic rate (the rate at which
character repeats when you hold down a key) of 6, 8, 10,12, 15, 20, 24 or 30 characters per
second.
Typematic Delay (Msec)
When the typematic rate setting is enabled, you can select a typematic delay (the delay before key
strokes begin to repeat) of 250, 500, 750 or 1000 milliseconds.
Security Option
If you have set a password, select whether the password is required every time the System boots,
or only when you enter Setup.
PCI/VGA Palette Snoop
Your BIOS Setup many not contain this field. If the field is present, leave at Disabled.
Shadow
Software that resides in a read-only memory (ROM) chip on a device is called firmware. The
Phoenix Technologies AwardBIOS permits shadowing of firmware such as the system BIOS,
video BIOS, and similar operating instructions that come with some expansion peripherals, such
as, for example, a SCSI adaptor.
Shadowing copies firmware from ROM into system RAM, where the CPU can read it through the
14
16-bit or 32-bit DRAM bus. Firmware not shadowed must be read by the system through the 8bit X-bus. Shadowing improves the performance of the system BIOS and similar ROM firmware
for expansion peripherals, but it also reduces the amount of high memory (640 KB to 1 MB)
available for loading device drivers, etc.
Enable shadowing into each section of memory separately. Many system designers hardwire
shadowing of the system BIOS and eliminate a System BIOS Shadow option.
Video BIOS shadows into memory area C0000-C7FFF. The remaining areas shown on the BIOS
Features Setup screen may be occupied by other expansion card firmware. If an expansion
peripheral in your system contains ROM-based firmware, you need to know the address range the
ROM occupies to shadow it into the correct area of RAM.
15
Chipset Features Setup
ADVANCED OPTIONS. The parameters in this screen are for system designers, service
personnel, and technically competent users only. Do not reset these values unless you understand
the consequences of your changes.
NOTE: This chapter describes all fields offered by Phoenix Technologies in this screen. Your
system board designer may omit or modify some fields.
Auto Configuration
Auto Configuration selects predetermined optimal values of chipset parameters. When Disabled,
chipset parameters revert to setup information stored in CMOS. Many fields in this screen are not
available when Auto Configuration is Enabled.
AT-BUS Clock
You can set the speed of the AT bus in terms of a fraction of the CPU clock speed, or at the fixed
speed of 7.16 MHz.
DRAM Read/Write Timing
Your system designer should select the timing (Fast, Fastest, Normal and Slow) that the system
uses when reading from and writing to DRAM. Do not reset from the factory default value.
SRAM Read Timing
These SRAM timing numbers are the pattern of cycles the CPU uses to read data from the cache.
The system board designer must select the proper combination, depending on the cache size and
access speed of the cache SRAMs. Do not reset this option from its default.
SRAM Write Timing
If necessary, you can insert a wait state in the SRAM write cycle. The system board designer must
select the proper wait state number. If cache memory errors occur, try adding a wait state.
Hidden Refresh
When Disabled, DRAM is refreshed by IBM AT methodology, using a CPU cycles for each
refresh. When hidden refresh is Enabled, the DRAM controller seeks the most opportune moment
for a refresh, regardless of CPU cycles, with least disruption of system activity and least
performance penalty. Hidden refresh is faster and more efficient, and it also allows the CPU to
maintain the status of the DRAM even if the system goes into a power management "suspend"
mode.
16
ISA I/O Recovery
The CPU and local bus are much faster than industry standard architecture (ISA) input/output
(I/O) bus. Select Enabled to allow additional time for I/O devices to respond to the system.
Otherwise, data could be lost. If all your I/O devices are capable of fast I/O, selecting Disabled
can speed up processing.
Fast Back-to-Back
When Enabled, consecutive write cycles targeted to the same slave become fast back-to-back on
the PCI bus.
On-Chip Local Bus IDE
The chipset contains an enhanced IDE interface with two IDE channels. Because each channel
supports two IDE devices, the system supports a total of four IDE devices. If your system board
has one or two IDE connectors, this option should be Enabled. If you install an add-in IDE
interface, disable one or both on-chip IDE channels.
Note that if you select Disabled, the remaining fields do not appear.
IDE Buffer for DOS & Win
Select Enabled to increase throughput to and from IDE devices by using the on-chip read-ahead
and posted-write IDE buffers. Note that use of the buffers may cause some slow IDE devices to
be even slower. When in doubt, experiment with this setting for optimal performance and data
integrity.
2nd Channel IDE
If you install an add-in IDE interface as the second IDE channel, select Disabled to avoid a
conflict with the on-chip second IDE channel.
IDE HDD Block Mode
Block mode is also called block transfer, multiple commands, or multiple sector read/write. If
your IDE hard drive supports block mode (most new drives do), select Enabled for automatic
detection of the optimal number of block reads/writes per sector that the drive can support.
IDE Primary/Secondary Master/Slave PIO
The four IDE PIO (Programmed Input/Output) fields let you set a PIO mode (0-4) for each of the
four IDE devices that the onboard IDE interface supports. Modes 0 through 4 provide
successively increased performance. In Auto mode, the system automatically determines the best
mode for each device.
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Power Management
NOTE: This chapter describes all fields offered by Phoenix Technologies in this screen. Your
system board designer may omit or modify some fields.
Power Management
This option allows you to select the type (or degree) of power saving for Doze, Standby, and
Suspend modes. See the section PM Timers for a brief description of each mode.
This table describes each power management mode:
Max Saving Maximum power savings.
in each mode.
User Define Set each mode individually. Each
inactivity period ranges from 10 seconds to
1 hour. Select time-out periods in the PM
Min Saving Minimum power savings. Inactivity period
is 1 hour in each mode.
SL CPUs
Timers
. Inactivity period is 10 seconds
section, following.
Only Available for
PM Control by APM
If Advanced Power Management (APM) is installed on your system, selecting Yes gives better
power savings.
Video Off Option
Select the power-saving modes during which the monitor goes blank:
Always On Monitor remains on during power-saving
modes.
Suspend --> Off Monitor blanked when system enters
mode.
Susp,Stby --> Off Monitor blanked when system enters
mode.
All Modes --> Off Monitor blanked when system enters any
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Suspend
Suspend
power saving mode.
Video Off Method
Determines the manner in which the monitor is blanked.
V/H SYNC+Blank System turns off vertical and horizontal
synchronization ports and writes blanks to
the video buffer.
DPMS Support Select this option if your monitor supports
the Display Power Management Signaling
(DPMS) standard of the Video Electronics
Standards Association (VESA). Use the
software supplied for your video subsystem
to select video power management values.
Blank Screen System only writes blanks to the video
buffer.
PM Timers
The following modes are Green PC power saving functions. Doze, Standby, and Suspend modes
are user-configurable only during User Defined Power Management mode.
HDD Power Down
After the selected period of drive inactivity, the hard disk drive powers down while all other
devices remain active. Control of this mode is independent of the Power Management mode
selected previously.
Doze Mode
After the selected period of system inactivity, the CPU clock runs at slower speed while all other
devices still operate at full speed.
Standby Mode
After the selected period of system inactivity, the fixed disk drive and the video shut off while all
other devices still operate at full speed.
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Suspend Mode
After the selected period of system inactivity, all devices except the CPU shut off.
PM Events
You may disable activity monitoring of some common I/O events and interrupt requests so they
do not wake up the system. The default wake-up event is keyboard activity.
When On (or named, in the case of LPT & COM), any activity from one of the system peripheral
devices or IRQs listed below wakes up the system.
VGA IRQ7 (LPT 1)
FDD (3FXh) IRQ8 (RTC Alarm)
LPT & COM IRQ9 (IRQ2 Redir)
HDD (1FXh) IRQ10 (Reserved)
NMI IRQ11 (Reserved)
IRQ3 (COM 2 ) IRQ12 (PS/2 Mouse)
IRQ4 (COM 1) IRQ13 (Coprocessor)
IRQ5 (LPT 2) IRQ14 (Hard Disk)
IRQ6 (Floppy Disk) IRQ15 (Reserved)
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PCI Configuration
NOTE: This chapter describes all fields offered by Phoenix Technologies in this screen. Your
system board designer may omit or modify some fields.
Slot x Using INT#
Some PCI devices use interrupts to signal that they need to use the PCI bus. Other devices,
notably most graphics adapters, do not need interrupt service at all. Each PCI slot can activate up
to four interrupts, INT# A, INT# B, INT# C and INT# D. By default, a PCI slot is allowed INT#
A. Assigning INT# B has no meaning unless the device in the slot requires two interrupt services
rather than just one. Likewise, using INT# C can only mean the device requires three interrupts;
and using INT# D, four interrupts.
Selecting the default, AUTO, allows the PCI controller to automatically allocate the interrupts.
1st/2nd/3rd/4th Available IRQ
A INT# is an interrupt request which is signaled to and handled by the PCI bus. However, since
the operating system usually has the final responsibility for handling I/O, INT#s can be mapped to
an IRQ if the device occupying a given slot requires an IRQ service. By default, IRQs 9 and 10 to
PCI are mapped to PCI devices, but any available, unused IRQ can be used.
You can select which INT# is associated with each PCI slot and which conventional IRQ is
associated with one of the two available INT#s. The IRQ settings must be the same as the jumper
settings on the motherboard.
A setting of NA means the IRQ has been assigned to the ISA bus and is not available to any PCI
slot.
PCI IRQ Activated by
Leave the IRQ trigger set at Level unless the PCI device assigned to the interrupt specifies Edge-
triggered interrupts.
PCI IDE 2nd Channel
Since your chipset supports a second IDE channel, you can use this selection to enable or disable
the second channel. The second channel may connect to a CD-ROM.
PCI IDE IRQ Map to
This field lets you select PCI IDE IRQ mapping or PC AT (ISA) interrupts. If your system does
not have one or two PCI IDE connectors on the system board, select values according to the type
of IDE interface(s) installed in your system (PCI or ISA). Standard ISA interrupts for IDE
channels are IRQ14 for primary and IRQ15 for secondary.
21
Primary/Secondary IDE INT#
Because the PCI IDE interface in the chipset has two channels, it requires two interrupt services.
The primary and secondary IDE INT# fields default to values appropriate for two PCI IDE
channels, with the primary PCI IDE channel having a lower interrupt than the secondary.
CPU to PCI Write Buffer
When Enabled, the CPU can write up to four dwords of data to the PCI write buffer before the
CPU must wait for the PCI bus cycles to finish. When Disabled, the CPU must wait after each
write cycle until the PCI bus signals that it is ready to receive more data.
CPU to PCI Byte Merge
Byte merging permits merging of the data in consecutive CPU-to-PCI byte/word writes with the
same dword address, into the same posted write buffer location. The merged collection of bytes is
then sent over the PCI Bus as a single dword. Byte merging is performed in the compatible VGA
range only (0A0000-0BFFFF).
PCI to DRAM Buffer
Your system supports buffered writes from the PCI bus to DRAM for greater efficiency.
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Password Setting
When you select this function, a message appears at the center of the screen:
ENTER PASSWORD:
Type the password, up to eight characters, and press Enter. Typing a password clears any
previously entered password from CMOS memory.
Now the message changes:
CONFIRM PASSWORD:
Again, type the password and press Enter.
To abort the process at any time, press Esc.
In the Security Option item in the BIOS Features Setup screen, select System or Setup:
System Enter a password each time the system boots and when
ever you enter Setup.
Setup Enter a password when ever you enter Setup.
NOTE: To clear the password, simply press Enter when asked to enter a password. Then the
password function is disabled.
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Proprietary Notice and Disclaimer
Unless otherwise noted, this document and the information herein disclosed are proprietary to
Phoenix Technologies, Ltd. (Phoenix Technologies). Any person or entity to whom this document
is furnished or who otherwise has possession thereof, by acceptance agrees that it will not be
copied or reproduced in whole or in part, nor used in any manner except to meet the purposes for
which it was delivered.
The information in this document is subject to change without notice, and should not be
considered as a commitment by Phoenix Technologies. Although Phoenix Technologies will make
every effort to inform users of substantive errors, Phoenix Technologies disclaims all liability for
any loss or damage resulting from the use of this document or any hardware or software described
herein, including without limitation contingent, special, or incidental liability.
EliteBIOS is a trademark of Phoenix Technologies, Ltd.
Phoenix Technologies International and the Phoenix Technologies logo are registered trademarks
of Phoenix Technologies, Ltd.
All other products and brand names are trademarks and registered trademarks of their respective
companies.
Copyright © 1996-1999, Phoenix Technologies, Ltd. All rights reserved.
Document Revision 1.3; August 1996. Last updated 4 January 1999.
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