User`s manual

3
Keys Features and Benefits
The following information is an overview of the major features of the Promise 20276 RAID
controller.
Advanced Hardware Design
Features Benefits
Supports data striping (RAID 0) or mirroring
(RAID 1).
Provides dramatic increase in drive
performance and/or fault tolerant options.
Offers performance customization and data
rebuilds from the BIOS menu.
Supports Ultra DMA 6/5/4/3/2/1/0,
DMA 2/1/0.
Burst data transfer rates up to 133MB/sec
from Ultra ATA/133 drives to boost overall
system performance.
Supports concurrent dual IDE channel
operation.
Drive workload is distributed in parallel
between members of the array.
Supports IDE bus master operation. Allows multitasking during disk transfer
thus increasing CPU efficiency. The CPU is
free to process tasks to and from the
system memory during IDE data transfers.
Utilizes FastBuild
TM
auto-menu BIOS. Offers preset application specific settings
that can be optimized for Desktop, Server,
or A/V Editing. Has "Auto Setup" option for
quick and easy array builds.
Displays status and error checking
messages during boot-up.
Notifies user of possible errors and allows
for recovery of mirrored drive arrays
directly from FastBuild
TM
.
Employs the latest Promise PCI
Ultra ATA/133 ASIC technology.
Fully supports Ultra ATA/133 specifications
with 133 MB/sec timing and CRC error-
checking at high speeds.
Mirroring supports automatic background
rebuilds.
Fault tolerance can be restored
automatically without rebooting.