NKF-FIDYDisk Array

Arena Fidy IEEE 1394 to IDE Disk Array System User's Guide Version 4.40 JAN. 2002 Firewire FD IEEE 1394 to IDE Disk Array System User's Guide Version 4.40 JAN. 2002 Firewire Copyright Notice 2002 MaxTronic International Co., Ltd. All rights reserved. No part of this written material may be reproduced, stored in a retrieval system, used in any form or by any means, electronic or mechanical, photocopying, recording, or otherwise, without the written permission of MaxTronic International CO., LTD. c Important ! Safety Instructions, Care and Handling 1. Before starting, take a few minutes to read this manual, read all of these instructions and save this manual for later reference. 2. Protect the Disk Array from extremely high or low temperatures. Let the Disk Array warm (or cool ) to room temperature before using it. 3. Protect the Disk Array from being bumped or dropped. Do not place this product on an unstable cart, stand, or table. It may fall, causing serious damage to the product. 4. Keep the Disk Array away from magnetic forces. 5. Do not use this product near water. 6. Keep the Disk Array away from dust, sand, or dirt. 7. Gaps and openings in the cabinet and the back are provided for ventilation. To ensure reliable operation and to protect it from overheating, the gaps and openings should never be blocked or covered by placing the product on a bed, sofa, rug, or other similar surface. 8. Do not place this product near or over a radiator or heat register. 9. Refer to rating plate for voltage and check that the appliance voltage corresponds to the supply voltage. 10. The appliance must be grounded. This product is equipped with a 3wire grounding-type power cord, this power cord will only fit into a groundingtype power outlet. 11. If an extension cord or a power center is used with this product, make sure that the total of all products plug into the wall outlet does not exceed the ampere rating. 12. Do not place the Disk Array where the cord will be walked on. 13. Never push any kind of object into this product through cabinet gaps and openings, they may touch dangerous voltage points cause a risk of fire or electric shock. 14. Unplug the power cord from the wall outlet before cleaning. Keep the Disk Array dry. Do not use liquid cleaners, aerosol cleaners, or a wet cloth. Use a damp cloth for cleaning. 15. Except as specifically explained in this User's Manual, please do not attempt to service this product by yourself. Opening or removing the covers may expose you to dangerous voltages. 16. Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions : If this product has been exposed to water or any liquid. If the product has been dropped or the cabinet damaged. Operating Environment When selecting a suitable working location, please consider : Ventilation Temperature Dust and dirt Electromagnetic and Radio Frequency Interference. Security The selected location should provide at least six inches of open space around the Disk Array cabinet for proper air flow. Your Disk Array functions best at normal room temperature. Choose a location free from extreme heat or cold. Warning! The Disk Array's LCD Panel may be damaged by exposure to intense sunlight. Limit exposure to indirect or subdued sunlight only. Your Disk Array should be used in a clean environment that is free from airborne contaminants such as dust, dirt, and smoke. Excessive moisture or oil particles in the air can also hinder your system's performance. To reduce the possibility of data errors caused by electromagnetic interference, locate your Disk Array at least five feet away from electrical appliances and equipment that generates magnetic fields. About This Manual This manual serves as a useful guide you can refer to when you wish to install and operate your Disk Array. It includes the following information : Chapter 1 : " Introduction " Introduces you to your new Disk Array's features and general RAID concepts. Chapter 2 : " Getting Started " Describes general information about this Disk Array. Chapter 3 : " Configuration " Provides a Quick and Easy way to setup this Disk Array. Chapter 4 : " Advanced Information " Describes information in more detail. Chapter 5 : " Hot-Swap " Describes Hot-Swap components. Appendix A : " Technical Specification " Contents Chapter 1 : Introduction Features 1-2 General RAID concepts 1-4 RAID Level 0 1-5 RAID Level 1 1-7 RAID Level 3 1-8 RAID Level 5 1-10 Summary Comparison of RAID Levels 1-12 Supported RAID Levels 1-13 Chapter 2 : Getting Started General Overview 2-1 Unpacking & Checklist 2-2 Choosing a place for Disk Array 2-3 Identifying Parts of Disk Array Front View 2-4 Rear View 2-5 Power Source 2-6 Installing the Hard Disk Drive 2-7 Host Linkage 2-10 Power-On & Self-Test 2-11 LED Display & Function Keys LED Display 2-12 Function Keys 2-13 LCD Status Panel 2-14 Chapter 3 : Configuration General Overview 3-1 Configuration from the front Panel 3-2 Configuration Procedures 3-3 Starting the Configuration 3-4 Configuration from VT100 Terminal Mode 3-7 Configuration Procedures 3-8 Main Screen 3-9 Re-config RAID 3-10 Set RAID Level 3-11 Hot Spare Disk 3-12 Password 3-13 Save & Restart 3-14 Chapter 4 : Advanced Information Memory Expansion 4-2 RAID Controller Block Diagram 4-7 Updating Firmware 4-8 Setting Up VT100 Terminal Emulation in Windows 4-9 Start to Update Firmware 4-14 Chapter 5 : Hot Swap Removing / Installing Hard Disk Drive 5-2 Removing / Installing Cooling Fan 5-6 Appendix : Technical Specifications A-1 R

This chapter will introduce you to your new Disk Array's features and provide information on general RAID concept. Chapter 1 : " Introduction " 1-1 1-2 Introduction Features This section provides an overview of the features. For more detailed information, please refer to the technical specifications appendix at the end of this manual . Your Disk Array includes the following features : Easy Operation As everyone knows, conventional Disk Arrays are designed for experienced computer specialists. To solve complicated and time consuming operating procedures, we came up with a revolutionary idea : -- Innovative Plug And Play RAID -- As compared to a conventional Disk Array's long-winded setup procedures, your Disk Array can be ready to go after using the simple step by step built-in setup program. Ultra High performance Your Disk Array combines an extremely high speed microprocessor with the latest chip set, IDE hardware technology , perfect firmware and an artistic design. The result is one of the fastest, most reliable Disk Array systems on the market. IEEE1394 interface to your Host computer, up to 400Mbits data transfer rate provides the processing and access power for you to handle complex and large files. Selective RAID levels 0, 1, 0+1, 3 or 5. Build-in 64MB cache memory, expandable up to 512MB. Serial communication port ( Terminal Port ) permits array controller operation through a standard VT100 terminal (or equivalent). 1-3 Solid reliability Automatic failed disk drive detection. Auto rebuild : when a replacement disk installed (or by using hot spare disk ), The system provides automatic data rebuild without any commands or functions keyed in. ( Transparent to Host ) Efficient maintenance An LCD status panel displays a comprehensive readout of the operating status, and the HDD LED indicators on each HDD tray display the individual HDD status. When disk failure occurs on a member disk of the disk array, the built-in buzzer sounds simultaneously and LCD status panel also points out the location of the failed hard disk drive. In the meantime the LED HDD status indicator will light up " Red "on the failed HDD tray , according the LED indicator on the HDD tray you can perform quick, efficient and correct maintenance. Hot Swap : allows you can remove and install the " Hot Swap " parts without interrupting data access while the system is on. The " Hot Swap " parts include the Hard Disk Drive and Cooling Fan. 1-4 Introduction General RAID Concepts Correct installation of the disk array requires an understanding of RAID technology and the concepts described in this section. Definition RAID is an acronym of Redundant Array of Independent Disks . A RAID is a Disk Array in which part of the storage capacity is used to record redundant information about the user data stored on the remainder of the storage capacity. The redundant information enables regeneration of user data in the event that one of the Array's member Disks or the access path to it fails. Benefits of RAID 1. Secure Data RAID is an emerging storage technology with the potential to revolutionize the data storage technology. A typical RAID unit contains a set of disk drives, typically two to six, which appear to the user to be equivalent to a single large capacity disk drive. The remarkable benefit of disk array is that if any single disk in the RAID fails, the system and array still continues to function without loss of data. This is possible because the redundancy data is stored on separate disk drives and the RAID can reconstruct the data that was stored on the failed disk drive. 2. Increases system performance As the effective seek time for finding data on a disk can potentially be reduced by allowing multiple simultaneous access of different data on different disks. Utilizing parallel reads and writes of the data spread across the disks in the array, the data transfer rate can be increased significantly over that of a single disk. 3. Easy maintenance RAID system maintenance is typically simplified because it is easy to replace individual disks and other components while the system continues to function. ( Hot swap support ) 1-5 Introduction Improved I/O performance is the major reason for using RAID level 0. No protection is provided against data loss due to member disk failures. A RAID level 0 array by itself is thus an unsuitable storage medium for data that can not easily be reproduced, or for data that must be available for critical system operation. It is more suitable for data that can be reproduced or is replicated on other media. A RAID level 0 array can be particularly useful for : Storing program image libraries or runtime libraries for rapid loading, these libraries are normally read only. Storing large tables or other structures of read only data for rapid application access. Like program images, the data should be backed up on highly reliable media, from which it can be recreated in the event of a failure. Collecting data from external sources at very high data transfer rates. RAID Level 0 : " Disk Striping " High I/O Performance RAID Levels Disk 1 Physical 1 5 Data 1 2 3 4 5 6 7 8 9 10 11 12 Disk Array Controller Array Management Software Provides Logical to Physical Mapping 4 8 3 7 2 6 Disk 2Disk 3Disk 4 1-6 Introduction RAID level 0 arrays are not particularly suitable for : Applications which make sequential requests for small amount of data. These applications will spend most of their I/O time waiting for disks to spin, whether or not they use striped arrays as storage media. Applications which make synchronous random requests for small amounts of data. 1-7 Introduction RAID level 1 provides both very high data reliability and continued data availability in the event of a failure of an array member. When a RAID level 1 member disk fails, array management software simply directs all application requests to the surviving member. RAID level 1 is suitable for data for which reliability requirements are extremely hi…

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Chapter 2 : " Getting Started " General Overview This chapter helps you get ready to use the Disk Array. It gives you : Unpacking & Checklist Choosing a place for Disk Array Identifying Parts of Disk Array Power Source Installing the Hard Disk Drives Host Linkage Power-On and Self-test LED Display and Function Keys LCD Status Display The following illustrations will help you read the further sections. 2-1 Special Note : RAID should never be considered a replacement for doing regular backup. It's highly recommended to conduct a backup strategy for critical data. Unpacking & Checklist Before unpacking your Disk Array , prepare a clean and stable place to put the contents of your Disk Array's shipping container on. Altogether, you should find the following items in the package : The Disk Array One AC power cord One External IEEE 1394 cable Keys ( For HDD Trays ) User Guide Remove all the items from the carton. If anything is missing or broken , please inform your dealer immediately. Save the cartons and packing materials that came with the Disk Array. Use these materials for shipping or transporting the Disk Array. 2-2 Getting Started Figure : Checklist Choosing a place for Disk Array When selecting a place to set up your Disk Array, be sure to follow the guidelines as below: Place on a flat and stable surface. Use a stand that supports at least 50 kgs for this Disk Array. (HDD included ) Place the Disk Array close enough to the computer for the Disk Array's External cable to reach it. Use a grounded wall outlet. Avoid an electrical outlet controlled by wall switches or automatic timers. Accidental disruption of the power source may wipe out data in the memory of your computer or Disk Array. Keep the entire system away from potential sources of electromagnetic interference, such as loudspeakers , cordless telephones, etc. Caution ! Avoid direct sunlight, excessive heat, moisture, or dust. 2-3 Getting Started Figure : Front View 1. LCD Status Display Panel 2. HDD Trays 1 ~ 4 3. Function Keys (,, Enter , ESC ) 4. Power-On Indicator 5. Host Computer Access Indicator 6. HDD Tray Lock ( Lock / Unlock ) 7. HDD Status Indicator ( Error (Red), Access (Yellow), Power-On (Green) ) 2-4 Getting Started Front View Identifying Parts of the Disk Array 1 2 6 3 4 5 7 Host PortTerminal Port 2-5 Getting Started Figure : Rear View 1. RS232 Adapter ( Terminal Port ) 2. Cooling Fans 3. Power Supply 4. IEEE 1394 Host channel adapter Port 5. Fan Door Screws 6. AC Power Source Input Socket 7. AC Voltage Select Switch ( 115V / 230V ) 8. Power Supply Unit Switch ( On / Off ) Rear View 4 1 3 2 5 6 7 8 Host PortTerminal Port Power Source Choosing a Working Voltage The system can run either on AC 115V (+/10%) or AC 230V (+/10%), Slide the AC voltage select switch on the power supply to the correct position which corresponds with the wall outlet supply voltage. Warning ! Wrong AC Voltage input will harm the power supply and cause serious damage to the Disk Array. Figure : Power Source This Disk Array is supplied with an AC power cord equipped with a 3-wire grounding type plug. This is a safety feature and it is important to only use a 3-wire grounded mains power cord. ! This Disk Array must be grounded 2-6 Getting Started 2-7 Getting Started Figure : Installing HDD step 1, 2 Installing the Hard Disk Drives Step 1 : Unlock the HDD tray by turning the Key-lock to the correct position. Step 2 : Gently Pull out the HDD tray. Getting Started 2-8 SCREWS SCREWS Cabling Figure : Installing HDD step 3, 4, 5 Step 3 : Insert HDD into the tray Step 4 : Screw in the hard drive. ( Use the correct size, type and thread ) Step 5 : Cabling, Connect the Data cable and Power cable. Getting Started 2-9 Figure : Installing HDD step 6, 7 Step 6 : Gently slide in the HDD tray. Step 7 : Lock the HDD tray. When powered on, the Green LED will light up. Host Linkage With the HDD(s) installed correctly, you are ready to connect the Disk Array to your Host computer. Use a External IEEE 1394 cable to connect your Host computer to the Disk Array's built-in IEEE 1394 adapter port. Connect the Host computer as shown below : Figure : Host linkage Caution ! For safety reasons, make sure the Disk Array and Host Computer are turned off when you plug-in the SCSI cable. 2-10 Getting Started Disk Array Host Computer IEEE 1394 Port H o s t P o r t T e r m i n a l P o r t Host PortTerminal Port Power-On and Self-Test When you connect the Disk Array to the Host computer, You should press the ON/OFF Switch ( O / I ) on the power supply, it will turn the Disk Array system on and the Self-Test will be started automatically. 2-11 Getting Started Power Supply's On / Off Switch LED Descriptions 1. Power ON Indicator light up : "Green" , it lights when the Power Supply is plugged and operating functionally. 2. Host Computer Access light up : "Yellow" , Indicates Host Indicator computer is currently accessing the Disk Array 3. HDD Power-On Indicator light up : "Green" , It lights when the HDD frame is locked and Power-On HDD Error Indicator light up : "Red" , when the HDD not installed or error. 4. HDD Access Indicator light up : "Yellow" , when HDD is access. 2-12 1 2 3 4 Getting Started LED Display & Function Keys LED Display Shown below is the LED Display. Please refer to the illustration, the LEDs inform you of the Disk Array's current operating status. Upon activating a certain function, the corresponding LED indicator should turn on indicating that the feature is engaged. Figure : LED Display ESC Enter Function Keys The four function keys at the top of the front panel perform the following functions : () Up Arrow / Right Arrow Use to scroll the cursor Upward / Rightward () Down Arrow / Left Arrow Use to scroll the cursor Downward / Leftward ( Enter ) Use to confirm a selected item ( ESC ) Use to exit a selection 2-13 Getting Started LCD Status Panel Located the LCD panel, the LCD status panel informs you of the Disk Array's current operating status at a glance. Upo…

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3-1 Chapter 3 : " Configuration " After completing the hardware installation, the disk array must be configured and the logical unit must be initialized before it is ready to use. This can be accomplished through the following user interfaces : Front Panel function keys ( LCD Display ) or VT100 terminal connected through the serial port ( Monitor Port ) The LCD display panel and a VT100 terminal can not be used at the same time. This chapter guides you through setting up your Disk Array for the first time. This chapter contains information on setup. The setup program is a menu-driven utility which enables you to make changes to the configuration and tailor your Disk Array to your individual needs. The setup program is a ROM-based configuration utility which displays the Disk Array's status and allows you to set up the parameters. The parameters are stored in a nonvolatile battery backup CMOS RAM which saves the information even when the power is off. By using an easy-to-use user interface, you can configure such items as : RAID Level Hot Spare Disk Termination Password ( For protection from unauthorized use ) Firmware update (VT100 Terminal mode only) --- for update procedures please refer to Chapter 4 : Advanced information. The setup program has been designed to make it as easy to use as possible. By using a menu-driven program, you can scroll through the various sub-menus and make your selections among the various predetermined choices. Configuration from the front Panel The LCD Display front panel function keys are the primary user interface for the Disk Array. Except for the "Firmware update" ,all configuration can be performed through this interface. Function Key Definitions The four function keys at the top of the front panel perform the following functions : ( ) Up Arrow / Right Arrow Use to scroll the cursor Upward / Rightward ( ) Down Arrow / Left Arrow Use to scroll the cursor Downward / Leftward ( Enter ) Use to confirm a selected item ( ESC ) Use to exit a selection Configuration 3-2 Configuration procedures (via Front Panel) Main screen Re-Config RAID No Yes RAID Level ( 0, 1, 3, 5, 0+1, None ) Hot Spare Disk ( Yes / No ) Set Password ( 4 Digital ) Save Configuration No & Restart Yes 3-3 Configuration Starting the configuration 1. Power-on the Disk Array. At the end of the power-on self test program, the LCD displays the current system status. 2. Press the front panel " Enter " key to access the built-in configuration program. 3. When the screen displays the password prompt and asks you to " Enter Password " Enter Password 0 press " Enter " 4 times to input the default password ( default password is " 0000 " ) 4. Re-Configuration RAID Select " No " to just set up "Password". Select " Yes " to set up " RAID Level " , " Hot spare disk " and " Password " 3-4 Configuration 5. Set RAID Level Move cursor ( ) to the desired RAID Level ( 0, 1, 3, 5, 0+1, None ), press " Enter " to confirm. All data on the disk drives will be lost by changing the RAID Level. * RAID Level " None " = No Configuration 6. Set Hot Spare Disk Select " Yes " to set one Disk Drive as a Hot-spare Disk. (Valid for RAID Level 5 and 3 , the total number of Disk Drives installed must be more than 3 Disk Drives ) 7. Set Password Press " Enter " to activate the Password setting. When the cursor stop on the desired "number" or "character", Using "" and "" function keys to choose the desired characters and then press " Enter " to confirm it. Press " ESC " function key for password "No Change" Warning 3-5 Configuration 3-6 Configuration 8. Save Configuration & Restart Select the Save Configuration function and Press the " Enter " key to save and activate your selections. Warning ! All data will be lost if you change RAID Levels . Saving configuration changes causes the disk array controller's working parameters to change. This can produce unpredictable results if it occurs during Host and Array activity. All activity to the controller should be stopped before saving configuration changes. WARNING STOP STOP 3-7 Configuration Configuration from VT100 Terminal Mode By connecting a VT100 compatible terminal or a PC operating in a terminal emulation mode, a configuration can be performed through this interface. To ensure proper communications between the "Disk Array" and the "Terminal", Please configure the VT100 terminal settings to the values shown below : VT100 Terminal ( or compatible ) Set up Connection Serial Port ( COM 1 or COM 2 ) Protocol RS232 ( Asynchronous ) Cabling Null-Modem cable Baud Rate 115,200 Data Bits 8 Stop Bit 1 Parity None Keyboard Function Key Definitions " Enter " key, Use to confirm a selected item " ESC " key, Use to exit a selection " A " key, Use to scroll the cursor Upward / Rightward " Z " key, Use to scroll the cursor Downward / Leftward " Tab " key, Use to switch mode ( Menu / Output Area ) 3-8 Configuration Configuration procedures ( VT100 Terminal ) Main screen Re-Config RAID No Yes RAID Level ( 0, 1, 3, 5, 0+1, None ) Hot Spare Disk ( Yes / No ) Set Password ( 4 Digital ) Save Configuration No & Restart Yes Update Firmware No Yes Update 3-9 Configuration Main Screen 3-10 Configuration Re-Config RAID Select " No" for setting : " Password " Select " Yes " for setting all the configurations 3-11 Configuration Set RAID Level Move the cursor to the desired RAID Level ( 0, 1, 3, 5, 0+1, None ), and Press " Enter " to confirm it. All Data will be lost by changing the RAID level.Warning 3-12 Configuration Hot Spare Disk Select " Yes " to set One Disk Drive as a Hot Spare Disk. This Function is valid in RAID level 5 and RAID level 3, the total Disk Drives installed must be more than 3 Disk Drives. ( Disk Drives number > 3 ) 3-13 Configuration Set Password Press " Enter " to activate the password setting when you key-in the desired " Number " or " Character ". Press " ESC " for no change to the password. 3-14 Configuration Save & Restart Saving configuration changes causes the disk array control…

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Chapter4:"AdvancedInformation" This chapter describes more information about your Disk Array. The following items are describes in detail. Memory Expansion RAID Controller Updating Firmware 4-1 Memory Expansion Your Disk Array comes with 64MB of memory that is expandable to a maximum of 512MB. These expansion memory module can be purchased from your dealer. Memory Type : 3.3V PC100/133 SDRAM 144pin DIMM. Memory Size : Supports 144pin DIMMs of 64MB, 128MB, 256MB or 512MB. Height : 1.15 Inches ( 29.2 mm ). 4-2 Advanced Information 64MB 8(8Mx8), 8(4Mx16) or 4(8Mx16) 128MB 16(8Mx8), 8(16Mx8), 8(8Mx16) or 4(16Mx16) 256MB 16(16Mx8), 8(32Mx8) or 8(16Mx16) 512MB 16(32Mx8) 1.15" (29.2mm) Installing Memory Modules : 1. Unscrew & Remove cover Figure : Remove Cover 4-3 Advanced Information Unscrews Host PortTerminal Port 2. Install the memory a. The DIMM memory modules will only fit in one orientation. b. Press the memory module firmly into socket from a 45 degree angle, make sure that all the contacts are aligned with the socket. c. Push the memory module forward to a horizontal position. 4-4 Advanced Information Figure : Controller Front Panel Host channel NVRAM LCD Terminal Port PCI BUS i960RM Local BUS PCI Bridge Main memory i960RM RISC Micro- processor Flash EPROM Disk Array Controller Block Diagram Advanced Information 4-5 Dual Channel IDE Controller Disk # 1 Disk # 2 Dual Channel IDE Controller Disk # 3 Disk # 4 IEEE 1394A controller RS232 4-6 Advanced Information Updating Firmware 1. Setup your VT100 Terminal Please configure the VT100 terminal setting to the values shown below : VT100 terminal ( or compatible ) set up Connection Serial Port ( COM1 or COM2 ) Protocol RS232 ( Asynchronous ) Cabling Null-Modem cable Baud Rate 115,200 Data Bits 8 Stop Bit 1 Parity None Advanced Information 4-7 Example : Setup VT100 Terminal in Windows Step 1. Setup VT100 Terminal R Advanced Information 4-8 Step 2. Advanced Information 4-9 Step 3. Enter a name for your Terminal. Advanced Information 4-10 Step 4. Select a connecting port in your Terminal. Advanced Information 4-11 Step 5. Port parameter settings Advanced Information 4-12 Step 6. Advanced Information 4-13 Step 7. Select emulate VT100 mode After you have finished the VT100 Terminal setup, you may restart your Disk Array and press " Ctrl + D " keys ( in your Terminal )to link the Disk Array and Terminal together. Press Ctrl + D to display the disk array Monitor Utility screen on your VT100 Terminal. Advanced Information 4-14 Start to Update Firmware 1. Move the cursor to " Update ROM " and press "Enter". Warning ! Unpredictable results will occur if firmware update is attempted during Host computer and Disk Array activity. All activity to the controller should be stopped before updating firmware. 4-15 Advanced Information 2. Press " Y " to download the new firmware and press " Y " again to confirm the Update. 4-16 Advanced Information 3. Select transfer " Send Text File " and press Enter. 4-17 Advanced Information 4. Locate the new Firmware file on your PC. 4-18 Advanced Information 5. Press " Go " to confirm to download the new firmware. 4-19 Advanced Information 6. Type " Go " to reconfirm and the firmware will begin to be reprogrammed. 7. After verifying, please restart the Disk Array to activate the new firmware.

Chapter 5 : " Hot Swap " This chapter explains how to remove and install the "Hot-Swap" parts without interrupting the data access while the disk array is on. The "Hot-Swap" parts include : Hard Disk Drives Cooling Fans Follow the steps below and refer to the diagrams to remove and install the "Hot-Swap" parts. 5-1 Hot Swap 5-2 Removing / Installing Hard Disk drives a. Unlock the HDD tray (When a HDD error occurs, the HDD LED indicator lights up "RED") Figure : Swap HDD ( Unlock ) 5-3 Hot Swap b. Gently pull-out the HDD tray Figure : Swap HDD ( Pull-out ) Hot Swap 5-4 c. Unscrew and unplug the cables Figure : Swap HDD ( Unplug cables ) Unscrew Unplug Cables Figure : Swap HDD ( Lock Up ) Hot Swap 5-5 d. Replace with a new Hard Disk Drive It must be same capacity or greater than the faulty drive, if you replace with a Hard disk Drive of insufficient capacity, the Disk Array's built-in buzzer will sound and the intelligent Auto-Rebuild function will not be started. * For best performance, we recommend you swap with an identical Hard Disk Drive. e. Gently Slide-in the HDD tray and lock up to start the Auto-Rebuild When you have installed the replacement disk drive, screw in all the screws and plug in the cables, you may now gently slide in the HDD tray into the chassis and lock up it. * Data Auto-Rebuild will be started automatically when you lock up the HDD tray. Host PortTerminal Port Removing / Installing Cooling Fans Unscrew the Fan door and open the door. : Be careful , the high speed rotating fans may harm you. Don't touch the rotating Fans, If necessary, Unplug the Fan power connector first. ! Caution 5-6 Hot Swap Unscrew Here ! Figure : Swap cooling Fan ( Unscrew ) Unplug the Fan connector Unscrew the faulty cooling fan and replace with a good one Important !The cooling fan's air flow must point to the fan door, please refer to the label on the cooling fan. Plug in the fan connector, close the fan door and screw it in ! Caution : The cooling fan will rotate immediately when you plug in the fan power connector. The Cooling Fan will only fit in one orientation. Hot Swap Figure : Swap Cooling Fan ( swap with a new Fan ) 5-7 Host PortTerminal Port A-1 Appendix Microprocessor Intel i960RM RISC processor Cache Memory 64MB* Maximum 512MB DRAM Slots One Module Type 144 Pin DIMM DRAM Type SDRAM DRAM Speed PC100/133 Parity Non-Parity Read Cache Read-Ahead Write Cache Write Back* Stripe Size Variable ( 8 ~ 128KB ) Firmware Flash EEPROM ,256K x 8 Hardware XOR Accelerate Build-In IEEE 1394 I/O Processor TI TSB43AB22 Serial Port 1x RS232 (Asynchronous) Port Ba ud Rate 115,200 (Bits Per Second) Da ta Bits 8 Sto p Bit 1 Pari ty None RAID Levels 0 , 1 , 0+1, 3 or 5 Data Transfer Rate Up to 400Mbits Interface : Host Channel 1* IEEE 1394A Firewire Disk Channels 4* EIDE ATA-100 Technical Specifications A-2 Drives Hot Swap, User Replaceable Up to Four 3.5" drives ( 1" height ) Maximum Fault >480 GB Tolerant Capacity Drive MTBF >1,000,000 hrs Host Requirement Host Independent Operating Systems O/S Independent and Transparent Data Rebuild Automatic Data Regeneration LCD D…

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