I2C
Host Port
I2C
SATA Layers
EEPROM
Logic
Enclosure
Management
Logic
SiI 4723 Features
SATA to 2-Port 3Gb/s SATA
SteelVine Storage Processor
SteelVine
Storage
Processor
ATA Emulation
Host Port Features
Mapping & Error Handling
RAID &Virtualization
SATA Layers & FIFOs
• Supports one SATA host port, 3Gb/s
• Hot-plug support
• Tunneling mode for HDD firmware download
• Supports Asynchronous Notification
• SATA Port Multiplier spec. complaint
• Supports PM-aware host and non-PM aware
• Four detailed system/host status LEDs
• eSATA signal level support
Device Port
Device Port
• Drive-failure alarm status pin
Power and Package
• 364 HSBGA
• Configuration pins for RAID mode changes
(1m and 2m PHY complaint)
2
• Enclosure management bus (I C bus)
• 1.5 Watts (typical)
• CMOS 0.18um
• Drive Performance Aggregation (RAID 0)
• Supports automatic bad sector remapping
• OS-agnostic operation
Device Port Features
• Two SATA device ports, 3Gb/s
• Complete SATA Port Multiplier function
• Hot Plug support
Hardware and OS Support
• SiI 4723 reference design board (PB4723001)
• Windows XP, 2000, 2003, and Mac OS 10.3/
10.4, and Linux RedHat, Fedora, SuSE 9.0 or
later (see website for more updated OS support)
• Maximum of 4 hard drives*
• Bootable array and stagger spin-ups
• Mandatory SMART commands support
• ATAPI device support in PM mode
• Max. performance greater than 110MBps
(RAID 0)
• Compatible with SATA NCQ drives
• Two LEDs for detailed status per port
• eSATA signal level support
(1m and 2m PHY complaint)
Documentation and Software
Development Kit (CP4723001)
• SiI 4723 data sheet
• Spread spectrum clocking w/SSC clock
• Event logging from GUI
Data Protection Features
• Automatic-Mirroring (RAID 1 mode)
• Self-healing data storage (Auto-Rebuild)
• Power-failure resume (Auto-Rebuild-Resume)
• Double protection (Auto-Rebuild-Verify)
• Minimizes DownTime (Automatic-Failover)
• 0% host CPU loading during rebuild
• Fast rebuild of 100GB/hour
• PB 4723 functional specification
• PB 4723 reference board schematics/
design files
• Remote monitoring and management
• Email notification**
• Mgmt Graphical User Interface (GUI) Applet
• API programmers guide for custom GUI
developers
• Manage multiple devices via GUI
• Field-upgradeable firmware
• Drive roaming on device ports
• 16 programmable GPIOs
• DOS HDD firmware download utility
• SiI 4723 firmware download utility
• Example XML configuration scripts
• JTAG boundary scan and BIST support
• Automatic Configuration
Added Features with
PM-Aware Host
When the SiI 4723 is used with a PM-aware
host it can support the following additional
features:
RAID Level Modes
• FAST/RAID 0
* Requires three SiI 4723 devices, and each secondary
device must be in a virtual mode.
• SAFE/RAID 1
• BIG/Spanning
**Coming soon
• JBOD/Port Multiplier
• JBOD/Port Multiplier requires PM-aware
host
System Features
• Works without GUI (LEDs and Jumpers)
• Works without driver or agent running
• Works without BIOS updates
• Multi-Arrays per drive with PM-aware host
• Drive splitting with PM-aware hosts
• Mirror splitting or Multi-RAID partitions
• Maximum of 4 hard drives*
• System/host status LEDs (four)
Silicon Image, Inc.
©2005 Silicon Image, Inc. All rights reserved. Silicon Image, the Silicon Image logo, MSL, SATALink, the SATALink
logo, SteelVine, the SteelVine logo, SiI, SiI 4723, SiI 3124 and SiI 3132 are trademarks or registered trademarks of
Silicon Image, Inc. in the United States and other countries. Other trademarks are property of their respective
holders. Product specifications are subject to change without notice. Printed in the U.S.A. SiI PB-0062, Rev. 2 (8/05)
1060 E. Arques, Sunnyvale, CA 94085
T 408.616.4000 F 408.830.9530
www.siliconimage.com
SILICONIMAGE [ Silicon image ]
