Chapter 2
Hardware Overview of the NI 78xxR
©
National Instruments Corporation
2-29
R Series Multifunction RIO User Manual
Disk Drive Power Connector Installation
Before installing the disk drive power connector, yo
u
m
u
st install and set
u
p the R Series PCI Express device as described in the
Getting Started with
R Series Multifunction RIO
doc
u
ment. Complete the following steps to
install the disk drive power connector.
1.
Power off and
u
npl
u
g the comp
u
ter.
2.
Remove the comp
u
ter cover.
3.
Attach the PC disk drive power connector to the disk drive power
connector on the device, as shown in Fig
u
re 2-19.
Note
The power available on the disk drive power connectors in a comp
u
ter can vary. For
example, consider
u
sing a disk drive power connector that is not in the same power chain
as the hard drive.
Figure 2-19.
Connecting to the Disk Drive Power Connector
4.
Replace the comp
u
ter cover, and pl
u
g in and power on the comp
u
ter.
5.
Use the NI 78xxR Calibration Utility to r
u
n a self-calibration on the
NI PCIe-784
x
R/785
x
R device. Refer to the
Self-Calibration
section of
Chapter 3,
Calibration (NI 783xR/784xR/785xR Only)
, for more
information
.
Note
Connecting or disconnecting the disk drive power connector can affect the analog
performance of yo
u
r device. To compensate for this, NI recommends that yo
u
self-calibrate after connecting or disconnecting the disk drive power connector.
1
Device Di
s
k Drive Power Connector
2
PC Di
s
k Drive Power Connector
1
2
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