Using NECCSD Utilities 2-11
Resource Configuration
Memory Reservation
Use this field to reserve specified blocks of upper
memory for use by other ISA devices. Select “Reserved”
to choose a memory block. The default for each block is
“Available.”
The following list includes the available memory blocks:
C800-CBFF
CC00-CFFF
D000-D3FF
D400-D7FF
D800-DBFF
DC00-DFFF
Memory Hole
The default setting for this parameter is “Disabled.”
When set to “Enabled,” this parameter turns system
RAM off to free address space for use with an
option card. When enabled, memory choices are
“Conventional” or “Extended.” Either a 128-KB
conventional memory hole (starting at 512 KB) or a
1-MB extended memory hole (starting at 15 MB) is
created in system RAM.
IRQ Reservation
Use this field to reserve specified IRQs for legacy ISA
cards. Select “Reserved” to choose an IRQ. The default
for each IRQ is “Available.” The following list includes
the available IRQs:
IRQ 3
IRQ 4
IRQ 5
IRQ 7