Memory Cache; Memory Shadow; Boot Options - NEC POWERMATE VE - SERVICE MANUAL 05-1996 Service Manual

2-14 Setup and Operation
Table Section 2-3 IDE Hard Disk Parameters
Parameter
LBA Mode Control
32-Bit I/O
Transfer Mode

Memory Cache

For memory caching parameters, select "Memory Cache" directly from the Main Menu
summary window. See Table Section 2-4 for a description of memory cache parameters.
Table Section 2-4 Memory Cache Parameters
Parameter
External cache
Cache Video BIOS
Area
Caching Memory
Regions

Memory Shadow

Memory Shadow is always enabled. This parameter is not user-selectable.

Boot Options

The system might require a Supervisor password to set Boot parameters. Select "Boot
Options" directly from the Main Menu summary window to display the "Boot Options"
menu.
Options
Enabled
Disabled (default)
Enabled (default)
Disabled
Standard (default)
Fast PIO1
Fast PIO2
Fast PIO3
CAUTION: Incorrect settings can cause the
system to malfunction.
Options
Enabled
Disabled (default)
Enabled (default)
Disabled
Enabled
Disabled (default)
Description
Sets LBA Mode Control on or off.
Sets 32 bit I/O to on or off.
Specifies the transfer mode for moving data to
and from the hard drive. Standard is the slowest
mode but the most compatible. Fast PIO
(programmed input/output) is the slowest of the
three enhanced modes. Fast PIO3 is the fastest of
the enhanced modes.
Description
Sets the state of external cache.
Controls caching of the video BIOS area.
Default is disabled. Cache shadows optional ROM
located in specified segments of memory and can
improve performance. CAUTION: Some add-in
boards, particularly with on-board firmware, do not
work properly when shadowed.