INTRODUCTION
13
the controller.
1.1 System Architecture
Host
RAID SubSystem
Controller board
SATAll Drives
(Max 5)
ARC-5030
IDE-RAID-IDE
1.1.1 Ultra ATA/133 & SATA 1.0 Host Interface
The IDE/SATA to SATA ll controller board’s host interface appears
to the host system as an Ultra ATA/133 & SATA 1.0 target device.
The Ultra ATA/133 can support transfer rates up to 133MB per
second. The SATA can support transfer rates up to 150MB per
second. Both Ultra ATA/133 and SATA 1.0 can concurrently access
different volume sets (logical drives).
1.1.2 Ultra 320 Host Interface
The SCSI to SATA ll controller board’s host interface appears to
the host system as an Ultra 320 target device. The Ultra 320 can
support transfer rates up to 320MB per second.
1.1.3 Serial ATA ll Drive Interface
The controller board communicates directly with the array’s 5
Serial ATA ll drives via a built-in SATA interface. When the host is
directly controlling the drives. The RAID subsystem uses the RAID
subsystem SATA ll I/O controller chip on each SATA channel to
allow the controller to simultaneously communicate with the host
ARC-6020
SCSI-RAID-IDE
Ultra 320 Host Interface
Host
RAID SubSystem
Controller board
SATAll Drives
(Max 5)
Ultra ATA/133
& SATA 1.0 Host Interface
Summary of Contents for ARC-5030 Series
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