Figure 31. 7mm drive backplane installation (top)
a.
Put the backplane down on the cage as shown.
b.
Install the two screws to secure the top backplane in place.
Step 4. Connect the cables from the backplanes to the system board and riser slot. See
Chapter 6 “Internal
cable routing” on page 217
and “7mm drive backplane” on page 235.If the cable connectors come
with protective dust caps, make sure to remove them before plugging in.
After you finish
1. Install the 7mm drive cage assembly on the rear chassis. See
“Install the 2.5-inch rear drive assembly”
on page 171
.
2. Reinstall all the drives and fillers (if any) into the drive bays. See
“Install a 2.5-inch hot-swap drive” on
page 100
.
3. Complete the parts replacement. See
“Complete the parts replacement” on page 215.
CMOS battery (CR2032) replacement
Use this information to remove and install the CMOS battery.
Remove the CMOS battery
Use this information to remove the CMOS battery.
About this task
The following tips describe information that you must consider when removing the CMOS battery.
• Lenovo has designed this product with your safety in mind. The lithium CMOS battery must be handled
correctly to avoid possible danger. If you replace the CMOS battery, you must adhere to local ordinances
or regulations for battery disposal.
• If you replace the original lithium battery with a heavy-metal battery or a battery with heavy-metal
components, be aware of the following environmental consideration. Batteries and accumulators that
contain heavy metals must not be disposed of with normal domestic waste. They will be taken back free
Chapter 5. Hardware replacement procedures 71
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