132 Keysight PXIe Chassis Family User Guide
PCIe Link Configuration Restoring the Factory Default 1x8 Base Configuration
be several feet from the chassis, the task of restarting the PC while
simultaneously pressing the chassis internal pushbutton may be best
accomplished with an assistant.
To restore the Base Configuration, perform the following steps for either an
“M9018A Chassis Only” (below) or an “M9018B Chassis Only” on page 135
M9018A Chassis Only
1 Turn the chassis off and unplug the chassis from AC power.
2 Remove the chassis top cover as follows:
a Remove the two rear feet of the chassis by using a Torx T8 screwdriver.
Each of the two rear feet has two Torx screws.
b Next, remove the 14 screws holding the top cover in place using a #2
Phillips screwdriver. There are 5 screws on each side of the cover, two on
top of the cover near the front panel, and two in the back of the chassis
that screw into the chassis rear panel.
c After the screws are removed, lift up the rear of the chassis cover about 12
mm (.5 inches) and slide the cover back off of the chassis. Place the cover
in a location away from the chassis.
Restoring the M9018A chassis PCIe switch fabric to its factory default
configuration requires pressing a pushbutton internal to the chassis
while the chassis is powered up. Only qualified, service-trained
personnel shall be allowed to remove the instrument cover and actuate
the pushbutton while the instrument is energized. High current and
high energy source connectors are proximate to the pushbutton which
could cause potential burns if short circuited.
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