User`s guide

78 • Hardware Upgrade and Replacement Procedures R Series Data Center Products User’s Guide, Rev. B
• When replacing either drive on an R2200, it may be easier to unscrew both drives
from the chassis to gain easier access to the drive cables.
• The default image configuration for R2200 drives is to place the boot volume C:
and the recovery volume D: on the master drive, and volume E: on the slave drive.
• Imaged drives swapped between dissimilar blade models will not function correctly.
• Store unused drives in an anti-static bag in a climate-controlled area.
Replacing the CMOS Memory Battery
ClearCube blades use a lithium coin cell to maintain CMOS settings. When blades
remain powered on or on stand-by power, these cells rarely require replacing. If you
notice that CMOS settings do not appear to remain set, you may need to replace this
battery. The CMOS memory battery is located under the hard drive on single-width
blades, or under the primary hard drive (located closest to the power supply) on
double-width blades.
To replace the CMOS memory battery, do the following:
1. Use the procedure in Replacing or Upgrading the Hard Drive on page 77 to
remove the hard drive. You may be able to reach the CMOS memory battery
without removing the drive cables.
2. Carefully remove the old battery from its holder with your fingers or with a
non-conductive tool.
3. Allow at least 30 seconds for the CMOS memory to be lost before inserting a new
battery.
NOTE: Observe battery polarity.
4. Replace the blade in the chassis.
5. Power up the blade and restore any custom CMOS configuration settings.
6. Dispose of the old battery in an approved fashion.
Replacing R4300 Modules
R4300 modules are hot-swappable. To replace a module, do the following:
1. Label all cables attached to the module.
2. Remove the cables.
3. Press down on the two green levers on each side of the module.
NOTE: Management modules have only one lever.
4. Pull the module from its bay. The old module must remain out of the bay for at
least five seconds for the replacement module to be recognized by the system.
5. Place the replacement module squarely in the bay, slide it in, and press firmly to
seat it.
6. Replace the cables.
CAUTION: Do not remove or insert R4300 modules during a firmware
update. When the RMM Status LEDs are flashing amber, a firmware
update is in progress.