Chapter 3
Configuration and Default Settings
VXIpc 770/870B Series User Manual
3-4
ni.com
Figure 3-2.
System CMOS
SCSI Termination
The VXIpc 870B Series uses active termination on the Wide Ultra2 SCSI
bus. Because the VXIpc 870B Series is normally an end device, you should
not need to disable the termination; however, for informational purposes
Figure 3-3 shows the jumper settings for both enabled and disabled
termination.
Figure 3-3.
SCSI Termination
Hard Drive Jumper
J20 provides easy access to the 2.5 in. IDE hard drive configuration pins.
Because most hard drives are device 0 by default, there should be no need
to install any jumpers on J20. However, some third-party drives require a
jumper to set the drive as device 0; therefore, you have access to the pins.
The jumper settings can be specific to the hard drive, and a diagram
showing the proper configurations is normally included with or on the hard
drive.
Figure 3-4.
Primary IDE Channel Configuration Jumper
a. Normal Operation
(Default)
b. Clear CMOS
Contents
W5
W5
a. Terminate SCSI
Signals (Default)
b. Do Not Terminate
SCSI Signals
W6
W6
J20
C
A
D
B
