Appendix F
Common Questions
© National Instruments Corporation
F- 3
VXIpc-850 Series User Manual
What if my keyboard connector does not fit into the keyboard port on the
VXIpc-850?
You can plug keyboards that have a 6-pin Mini DIN PS/2 type
connector directly into the VXIpc-850. You can use the keyboard
adapter cable that is included with every VXIpc- 850 kit to adapt the
larger AT keyboard connector to the 6-pin Mini DIN connector.
How do I connect an external speaker to the VXIpc- 850 to get audio capability?
A twisted-pair cable connects the front panel audio connector to the
VXIpc- 850 motherboard. Connect the external speaker to th is
front-panel connector. The center pin of the connector provides the
audio signal. The shield of the connector is GROUND.
How do I add RAM to the VXIpc-850? What is the maximum amount of RAM that
I can have on the VXIpc- 850?
For information about adding RAM to the VXIpc-850, refer to
Appendix A, Specifications.
Which interrupt levels are free to be used by ISA bus boards? Which area of upper
memory (adapter space) is free for use by ISA bus boards or expanded memory
manager software programs?
See Appendix B, VXIpc-850 System Resources, for information on the
available port I/O register space, upper memory area, interrupts, and
DMA channels.
How do I install the VXIpc-850 in a slot other than Slot 0?
The VXIpc- 850 automatically detects whether or not it is in Slot 0 of a
VXIbus mainframe. You do not need to change jumper settings to
install the VXIpc-850 in a slot other than Slot 0 unless you have
defeated the first slot detector (FSD) circuitry by changing jumper
W13.
Refer to Chapter 3 of this manual, Configuration and Installation , for
information on enabling and defeating the FSD circuitry.
How do I check the configuration of the memory, floppy drive, hard drive,
time/date, and so on?
You can view these parameters in the BIOS setup . To enter the BIOS
setup, reboot the VXIpc-850 and press the < DEL > key during the
memory tests . Refer to Chapter 4, WinBIOS , for more information.