Functions, 1 overview, 2 intelligent sata raid processor unit – Apacer Technology AP-SRFD255AXXXXR-G User Manual

Page 8: 3 sata, 4 architecture, 5 applications

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Serial ATA Flash Drive

AP-SRFD255AXXXXR-G

8

© 2008 Apacer Technology Inc. Rev 0.2 (Preliminary)

2. Functions

2.1 Overview

Compatible with SATA Gen1 and Gen2 host controllers

OS independent, Driverless, Auto Configuration

FAST (RAID 0), SAFE (RAID 1) support

Embedded fast RAID Processor

Virtualization engine to simplify and improve utilization of storage devices

Ultra-fast 3Gbps host and device port capability

2.2 Intelligent SATA RAID Processor Unit

Automatic Failover in RAID 1 mode

Automatic Rebuild in RAID 1 mode

Automatic RAID mode configuration

100GB/hr Rebuild speed without Host CPU loading

High performance, reliability and simplicity with hardware RAID 0, 1 options

Virtualized multiple storage devices into one or many storage units, e.g. multi-drive spanning, drive
partitioning

High-speed, native SATA II connection to host and device

Device-to-device(s) copy to off-load host during rebuild

LED drivers for status reporting

Drive Splitting for multi-RAID partitions on a single volume with PM Aware Host

2.3 SATA

1x2 Port Multiplier Functionality

1.5Gpbs or 3Gpbs link rate with auto-negotiation

Supports hot plug, drive roaming

Supports host control of hard disk drive staggered spin-up

Host side NCQ support

2.4 Architecture

Features independent 8-KByte FIFO per Device Serial ATA channel for reads and writes

High Performance data movement between all SATA Generation 2 ports

Greater than 110MBps sustained reads in RAID 1 mode (limited by drives)

Support store and forwarding

2.5 Applications

PC

DVR

PVR

Video Editing Systems

eSATA Storage Target/Host





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