HP Store Once 2700, 4500 and 4700 Maintenance and Service Guide

Tasks that are unique to HP StoreOnce Backup
The following tasks are described in this guide:
• How to replace the motherboard
• How to replace the HP RAID controller
• How to replace the Cache module and SuperCapacitor
• How to replace removable hard disks
Rack stability
Rack stability protects personnel and equipment.
WARNING! To reduce the risk of personal injury or damage to equipment:
• Extend leveling jacks to the floor.
• Ensure that the full weight of the rack rests on the leveling jacks.
• Install stabilizing feet on the rack.
• In multiple-rack installations, fasten racks together securely.
• Extend only one rack component at a time. Racks can become unstable if more than one
component is extended.
16 General information