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PM-7400 BIOS SETTINGS
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SYSTEM
BIOS SETUP
LOAD SETUP DEFAULTS
STANDARD CMOS SETUP OPTION
Hard
disk primary & secondary drive types
BIOS FEATURES
SETUP
Virus
warning
CPU internal & external cache
Security option
CHIPSET
FEATURES SETUP
Auto
configuration and AT bus clock
RAS & CAS Precharge
Times
L1 and L2 Cache Policies
Cache Read Burst, Cache Write Burst
POWER MANAGEMENT SETUP
Power
management
Doze, standby, and suspend modes
PCI CONFIGURATION SETUP
INTEGRATED PERIPHERALS SETUP
IDE
HDD block mode
IDE
primary & secondary, master & slave PIO modes
Primary & secondary PCI IDE, FDD
controller, serial ports
On-Board
parallel port, mode, and ECP mode channel
EXITING
SETUP UTILITY
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System BIOS
Setup
Due to frequent update of system BIOS, the actual
options available in your system board BIOS setups may vary comparing with
this manual. If technically necessary, we would provide a special insert
for instruction of the difference in regard to any changes of the BIOS
setup option.
Load Setup Defaults
There is a set of BIOS values stored
in the ROM files: The "Setup" default values The "Setup"
default values are those settings which should provide optimum performance
for the system. They are the best case default values. This set of default
values can be loaded by using the "Load Setup Defaults" option
in the main BIOS menu when you first entered the setup utility.
Standard
CMOS Setup Option
Primary Master & Slave, Secondary
Master & Slave Drive Types
According to your actual equipment,
you can select the type of hard disks for C, D, E, & F from 'Not Installed'
to type 46 for standard hard disks. As for type 47, user may define by
himself. If a ATAPI IDE CD-ROM is connected to any on-board IDE port, the
HARD DISKS "Type" should be set to "None". The DOS
CD-ROM driver or the Win95 built-in driver will handle the communication
by themselves. You may also use the "IDE HDD Auto Detection"
option in the Main Menu to allow the system to detect and enter these information
for you.
BIOS Features
Setup
Virus Warning
This function, If enabled, will detect
boot sector viruses and warning will be given when a program attempted
to change boot sector information.
CPU Internal & External Cache
These options allows user to enable
or disable the on-board (External) and the on-chip (CPU Internal) cache
memories (SRAM) when special peripheral or software implemented indicate
such requirement.
Security Option
This option allow a password be set
up so that a password will be needed to enter the CMOS Setup or to boot
the system including entering CMOS Setup. After this option is enabled,
you must use the "Password Setting" option in the main menu to
setup your password. If in any case the password is lost or forgotten,
the jumper JP 5A - Clear CMOS can be used to clear the configuration.
Chipset Features
Setup
Most of the options in this group
have major influence to the system. If options are not set properly, it
may not only greatly affect the performance, but also it may bring the
system down unexpectedly in most cases. Therefore, it is only wise to leave
the defaults alone unless there are specific reason to do any change.
Auto Configuration, and AT Bus
Clock
The Auto Configuration option should
be always enabled for the system to automatically configure the AT bus
clock to AT standard by detecting the system clock rate.
RAS, & CAS Precharge Times
DRAM must continually refreshed or
it will lose its data. This option allows you to determine the number of
CPU clocks allocated for the Row Address Strobe, and Column Address Strobe
to accumulate its electrical charge before the DRAM is refreshed. The defaults
are "5" and "1" respectively.
L1, and L2 Cache Policies
These 2 options allow you to control
the CPU internal cache and the secondary cache to use either "Write
Back" or "Write Through" cache policies.
Cache Read Burst, Cache Write Burst
The defaults are "3-2-2-2", and "4-2-2-2" respectively.
Power Management
Setup
Power Management
This option served as a master switch
to turn-on the power management.
Doze, Standby, and Suspend Modes
Defined the length of time of continuous
inactivity before the system enters into different PM modes. The Suspend
Mode is not implemented.
PCI Configuration
Setup
Unless otherwise required, do not
change the PCI default settings.
Integrated
Peripherals Setup
IDE HDD Block Mode
This option, if enabled, instruct
the hard disk to read multiple blocks of data from the disk for one read
request. You must refer to your hard disk information to be certain your
drive support this feature.
IDE Primary & Secondary, Master
& Slave PIO Modes
Rather than have the BIOS issue a
series of commands to effect a transfer to or from the hard drive, PIO(Programmed
Input/Output) allows the BIOS to tell the hard drive controller what it
wants and lets the controller and the CPU to perform the complete task
themselves. This method is simpler, more efficient, and so is faster. The
BIOS supports five modes(0 through 4) and can be set to "Auto"
for each individual hard drive.
FDD Controller, Serial Port 1 &
2
Use these options to enable or disable
the respective on-board controllers.
On-Board Parallel Port, Parallel
Mode, and ECP DMA Channel
LPT port address can be selected by
using the first option. The second option allows the setting of the enhanced
modes for the parallel port. If "ECP" or "EPP+ECP"
is enabled in the "Parallel Mode" option, use the "ECP Mode
Use DMA" to select DMA channel for the ECP Mode.
Exiting Setup
Utility
At this point, you can either choose to confirm
your setup entries and exit by using "ESC" key and taking the
"Save & Exit Setup" or the "Exit Without Saving"
option to restore the original setup parameters and exit. After you highlight
the desired option and press <<ENTER>>, the system will reset
itself. The new or original setup parameters, depend on the option which
you have chosen, will become the current setting.
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