
I
2
C
Host Port
I
2
C
J
L
X
T
Enclosure
Management
Logic
SteelVine
Storage
Processor
EEPROM
Logic
ATA Emulation
Mapping & Error Handling
SATA Layers
RAID & Virtualization
Dvc ot
SATA Layers & FIFOs
Dvc ot
Device Port
Device Port
Device Port
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
4726 Features
SATA to 5-Port 3Gb/s SATA
SteelVine Storage Processor
Host Port
Supports one SATA host port, 3Gb/s
Hot Plug support
Supports Asynchronous Notification
SATA Port Multiplier spec. complaint
Supports PM aware hosts and non-PM aware
Two detailed system status LEDs
eSATA signal level support (1m and 2m PHY
compliant)
Device Port
Five SATA device ports, 3Gb/s
Hot Plug support
SATA Port Multiplier spec. complaint
Compatible with NCQ drives
Two LEDs for detailed status per port
eSATA signal level support (1m and 2m PHY
compliant)
Data Protection Features
Automatic-Mirroring (RAID 1 mode)
3
Self-healing storage (Auto-Rebuild/Hot Spare)
3
No down time (Automatic-Failover)
3
Less than 1% Host CPU loading during rebuild
3
Fast rebuild of 100GB/hour
Easy configuration using GUI applet
Drive Performance Aggregation (RAID 0)
RAID Level Modes
FAST/RAID 0
SAFE/RAID 1
SAFE&FAST/RAID 10 with hot spare
SAFE&BIG/Mirrored spanning with spare
BIG/Spanning
Port Multiplier/JBOD
System Features
Four status LEDs for system functions
Works without BIOS updates
Max. performance greater than 220MB/s
(RAID 0)
Enclosure Management SEMB (I
2
C bus)
support
Automatic bad sector remapping
OS Agnostic operation
Bootable arrays and staggered spin-ups
ATAPI device support in PM mode
Spread Spectrum Clocking w/SSC clock
Event logging from GUI
Remote monitoring and management
Email notification
2
Manage multiple devices via GUI
Field-upgradeable firmware
7 Programmable GPIs and 16 GPOs
JTAG boundry scan and BIST support
Added Features with
PM-Aware Host
When the SiI 4726 is used with a PM-aware
host it can support the following additional
features:
JBOD/Port Multiplier mode
Multi-Arrays per drive with drive and mirror
splitting
Supports more than 5 hard drives
1
Power and Package
364 HSBGA
2.0 Watts @ 1.8V
CMOS 0.18u
Hardware and OS Support
SiI 4726 reference design board
(PB4726LPSATA300)
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 list)
Documentation and Software
Development Kit (CP4726001)
SiI 4726 data sheet
PB 4726 functional specification
PB 4726 reference board schematics/
design files
GUI Management Applet and daemon/agent
API programmers guide for custom GUI
developers
DOS SiI 4726 firmware download utility
Example XML configuration scripts
GUI Management Tool and
Advanced Mode
Multi-Arrays per drive
Drive and Mirror splitting
Full management GUI interface
1
Requires multiple SiI 4726 devices, and each secondary
device must be in a virtual mode.
2
Coming soon
3
SAFE or RAID 1 modes require the daemon/agent to
be running for automatic rebuild policy operation.