NEC Direction 233L, Service Manual

Page: 34 / 139

2-10 Setup Utility
Resource Configuration Submenu
This option allows you to reserve specific resources for use by legacy ISA devices. To enter
the submenu, highlight this field, then press
Enter
. The following options are displayed:
„
Memory Reservation Submenu
This option lets you reserve specific upper memory blocks for use by legacy ISA
devices. When selected, the submenu displays a lists of addresses from which
specific addresses can be selected. Use the arrow (cursor) keys to highlight an
upper memory block, then press
Enter
. Select “Available” (default) or
“Reserved” with the cursor keys, then press
Enter
to change the setting.
To return to the Resource Configuration submenu, press
Esc
.
„
IRQ Reservation Submenu
This option lets you reserve specific IRQs (interrupt requests) for use by legacy
ISA devices. To do so, highlight this field, then press
Enter
. Use the arrow
(cursor) keys to highlight the specified IRQ, then press
Enter
. Select “Available”
(default) or “Reserved” with the arrow keys, then press
Enter
to change the
setting.
WARNING:
An asterisk symbol appearing next
to an option indicates that the selected IRQ is set
to conflict with another device.
To return to the Advanced Menu, press
Esc
twice.
Peripheral Configuration Submenu
This submenu can be used to configure your system’s ports or peripheral devices. To enter
the submenu, highlight this field, then press
Enter
. The following options appear:
„
Serial Port A/Serial Port B
These options let you configure your system’s Serial Port A or Serial Port B. You
can choose “Auto” (default), “Enabled” or “Disabled.” The “Auto” setting causes
the Setup program to assign the first free COM port (for example, COM 1 3F8h,
IRQ4 or COM2, 2F8h, IRQ3). Note that if you set a specific serial port address, it
does not appear in the list of options for the other serial port.