48
USB Keyboard Support
Select
enabled
to use a USB keyboard. The USB Controller must also be set to
enabled
.
IDE Drives Setup
PIO (Programmed Input/Output)
IDE device driver controllers can support up to two separate drives. These drives have a master/slave relationship which is
determined by the cabling configuration used to attach them to the controller.
PIO means Programmed Input/Output. Rather than have the BIOS issue a series of commands to effect a transfer to or from
the disk drive, PIO allows the BIOS to tell the controller what it wants and then let the controller and the CPU perform the
complete task by themselves. This is simpler and more efficient.
Your system supports five modes, numbered from 0 to 4, which primarily differ in timing. When Auto (default) is selected, the
BIOS will select the best available mode. This is true for the next four setup items:
1. IDE Primary Master PIO
2. IDE Primary Slave PIO
3. IDE Secondary Master PIO
4. IDE Secondary Slave PIO
Ultra DMA (Direct Memory Access)
This setting allows you to speed up data transfer between the IDE devices and your system. Select the
Auto
option to enable
it or select
disabled
to disable it.
IDE Burst Mode
Determines the acceleration of data transfer for IDE devices.
IDE Data Port Post write
Determines the data transfer in the manner of “post write” feature.
IDE HDD Block Mode
Determines the automatic detection of the optimal number of blocks.
Video Setup
Select this menu item to modify the video settings.
System Shared Memory Size
Determines whether 2MB, 4MB, 8MB, 16MB, 32MB, or 64MB of system memory is to be used by video.
Init Display First
Specify which video subsystem to initialize first.
PS/2 Mouse Detect Function
Determines whether the power-on self test will check to see if a mouse is attached to the mouse connector.
Summary of Contents for PC 300
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Page 129: ...129 Hard Drive or CD ROM Power Cable Connector 3 5 In Diskette Drive Power Cable Connector...
Page 139: ...139 Safety Inspection Guide General Guidelines 140...