Compaq ProLiant 5000 Reference Manual page 254

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QuickLock
QVision
RAID 0
RAID 1
RAID 4
A utility that disables the keyboard and mouse
without exiting the application. Use the
Configuration Utility to enable QuickLock.
The Compaq 1024 x 768 video system. The Compaq
QVision 1024/E Controller allows up to 256 colors in
1024 x 768 resolution and 65,000 colors in
640 x 480 resolution.
Redundant Array of Inexpensive Disks. RAID 0
indicates that there is no fault tolerance method used.
Redundant Array of Inexpensive Disks. RAID 1 is a
fault tolerance method (drive mirroring) that uses 50
percent of drive storage capacity to provide greater
data reliability by storing a duplicate of all user data.
Half the drives in the array are duplicated or
"mirrored" by the other half.
Redundant Array of Inexpensive Disks. RAID 4 is a
fault tolerance method (data guarding) that uses a
small percentage of a drive array storage capacity to
store data guard code that is used to recover data if a
drive fails.
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Compaq ProLiant 5000 Servers Reference Guide
G-15