
I
2
C
Host Port
I
2
C
J
C
X
L
T
Device Port
Device Port
Enclosure
Management
Logic
SteelVine
Storage
Processor
EEPROM
Logic
ATA Emulation
Mapping & Error Handling
SATA Layers
RAID & Virtualization
SATA Layers & FIFOs
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)
Silicon Image, Inc.
1060 E. Arques, Sunnyvale, CA 94085
T 408.616.4000 F 408.830.9530
www.siliconimage.com
Si
I
4723 Features
SATA to 2-Port 3Gb/s SATA
SteelVine Storage Processor
Host Port Features
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
(1m and 2m PHY complaint)
Device Port Features
Two SATA device ports, 3Gb/s
Complete SATA Port Multiplier function
Hot Plug support
Compatible with SATA NCQ drives
Two LEDs for detailed status per port
eSATA signal level support
(1m and 2m PHY complaint)
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 Down Time (Automatic-Failover)
0% host CPU loading during rebuild
Fast rebuild of 100GB/hour
Automatic Configuration
RAID Level Modes
FAST/RAID 0
SAFE/RAID 1
BIG/Spanning
JBOD/Port Multiplier
System Features
Works without GUI (LEDs and Jumpers)
Works without driver or agent running
Works without BIOS updates
System/host status LEDs (four)
Drive-failure alarm status pin
Configuration pins for RAID mode changes
Enclosure management bus (I
2
C bus)
Drive Performance Aggregation (RAID 0)
Supports automatic bad sector remapping
OS-agnostic operation
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)
Spread spectrum clocking w/SSC clock
Event logging from GUI
Remote monitoring and management
Email notification**
Manage multiple devices via GUI
Field-upgradeable firmware
Drive roaming on device ports
16 programmable GPIOs
JTAG boundary scan and BIST support
Added Features with
PM-Aware Host
When the SiI 4723 is used with a PM-aware
host it can support the following additional
features:
JBOD/Port Multiplier requires PM-aware
host
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*
Power and Package
364 HSBGA
1.5 Watts (typical)
CMOS 0.18um
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)
Documentation and Software
Development Kit (CP4723001)
SiI 4723 data sheet
PB 4723 functional specification
PB 4723 reference board schematics/
design files
Mgmt Graphical User Interface (GUI) Applet
API programmers guide for custom GUI
developers
DOS HDD firmware download utility
SiI 4723 firmware download utility
Example XML configuration scripts
* Requires three SiI 4723 devices, and each secondary
device must be in a virtual mode.
**Coming soon