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iEi Network Attached Storage
Service Manual
NAS-4020
November 2003
Note:
1. The information contained herein is the property of ICP Electronics Inc.
The possessor agrees to maintain this document in co nfidence, not to
reproduce, copy, reveal or publish it in part or whole in any form.
2. IEI has made reasonable effort to ensure the accuracy and validity of
this document; however, IEI specifically disclaims any warranty
regarding this document. IEI shall not be liable for any exemplary,
incidental, proximate or consequenti al damages or expe nses arisi ng
from the use of this document.
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Table of Contents
CHAPTER 1 INTRODUCTION............................................................................3
OVERVIEW.......................................................................................................... 3
RESOURCES & SUPPORT......................................................................................... 3
CHAPTER 2 ROUTINE MAINTENANCE..............................................................4
MAINTENANCE OVERVIEW...................................................................................... 4
CLEANING........................................................................................................... 4
CHAPTER 3 TROUBLESHOOTING .....................................................................5
INTRODUCTION.................................................................................................... 5
WHO SHOULD PERFORM REPAIRS............................................................................ 5
REPAIR LEVEL SUPPORTED ..................................................................................... 5
USING THIS DOCUMENT......................................................................................... 6
OBTAINING REPLACEMENT PARTS............................................................................ 6
TROUBLESHOOTING GUIDE..................................................................................... 6
CHAPTER 4 DISASSEMBLY GUIDE .................................................................11
OVERVIEW........................................................................................................ 11
SYSTEM DISASSEMBLY AND REASSEMBLY................................................................. 12
CHAPTER 5 SPARE PARTS..............................................................................22
OVERVIEW........................................................................................................ 22
CHAPTER 6 PACKING FOR SHIPMENT ...........................................................23
GENERAL INSTRUCTIONS ..................................................................................... 23
PACKING IN THE ORIGINAL CARTON....................................................................... 23
PACKING IN A DIFFERENT CARTON......................................................................... 23
CHAPTER 7 REINSTALLING FIRMWARE ........................................................25
OVERVIEW........................................................................................................ 25
FIRMWARE REINSTALLATION PROCEDURE................................................................ 25
CHAPTER 8 HARD DISK INSTALLATION........................................................30
OVERVIEW........................................................................................................ 30
HARD DRIVE INSTALLATION PROCEDURE................................................................. 30
CHAPTER 9 FACTORY DEFAULT SETUP ..........................................................32
OVERVIEW........................................................................................................ 32
CREATE DISK VOLUME......................................................................................... 32
CREATE NETWORK SHARE .................................................................................... 33
CLEAR EVENT LOGS............................................................................................. 35
APPENDIX A. HARD DRIVE COMPATIBILITY LIST...........................................36
APPENDIX B. CONSOLE CABLE CONNECTION..................................................37
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Chapter 1 INTRODUCTION
Overview
Resources & Support
Overview
This document contains informati on on ho w to pe rform maintenance and
troubleshooting procedures on NAS-4020 Network Atta ched Storage. Please
note that any electrical system presents potentia l hazards so these ac tions
should only be performed by qualified personnel. Before oper ating on you r
NAS-4020, please read this user manual carefully for thorough understanding
on its functions.
Resources & Support
IEI is a systems company dedicated to providing innova tive products and
first-rate services to all our partners and customers. For further information or
documents regarding to our products, please refe r to the following list:
Product information:
Firmware update image:
User’s manual:
FAQ:
For any questions, please contact IEI Customer Service Department at
support@iei.com.tw.
http://www.ia.ieiworld.com/support/
http://www.ieiworld.com/
http://www.ia.ieiworld.com/support/
http://www.ia.ieiworld.com/support/
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Chapter 2 ROUTINE MAINTENANCE
Maintenance Overview
Cleaning
Maintenance Overview
The NAS-4020 requires no routine service.
Cleaning
Caution: DO NOT immerse NAS-4020 in liqui d or use caustic or abrasive
cleaners.
To clean NAS-4020, dampen a soft cloth with any commercial nonabrasive
cleaner available in the market and wipe clean. Before cleaning, make sure that
the system is turned off.
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Chapter 3 TROUBLESHOOTING
Introduction
Who Should Perform Repairs
Repair Level Supported
Using this Document
Obtaining Replacement Parts
Troubleshooting Guide
Introduction
This chapter provides information for troubleshooting NAS-4020 and helping
you to isolate a failure to the power supply, the case fan, the cooler, the LCD
module, the hard disks, the main board and the backplane. A troubleshooting
guide is also provided; it lists possible problems, along with probable causes,
and recommended actions on how to correct each problem.
Who Should Perform Repairs
Only qualified service personnel should remove and replace any components of
NAS-4020. Repairs to the NAS-4020 are limited to the repair level identified in
the following paragraph.
Repair Level Supported
The NAS-4020 has the followi ng replaceable compone nts:
The NAS-4020 main board
The NAS-4020 backplane
The LCD module
The front panel assembly
The front cover
The top cover
The case fan
The power supply
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The drive tray
The cooler
The hard disk
Using this Document
Failures of the top cover, the drive tray, the front cover and the front panel
assembly are determined by visually inspecting these components for cracks or
deformations and for mechanical failures. Use the troubleshooting guide
provided in this chapter to isolate failure to the main board, the backplane, the
LCD module, the power supply, the case fan, the cooler, or the hard disks. Once
a failure has been isolated, refer to Chapter 4, Disassembly Guide for
instructions for removing and replacing a component of the NAS-4020.
Obtaining Replacement Parts
IEI Customer Services Department provides technical assistance information
and replacement parts. To obtain replacement parts, contact the IEI Customer
Services Department or your sales representative. Please refer to parts by the
part names and part numbers listed in Chapter 5, Spare Parts.
Troubleshooting Guide
If you encounter a problem that cannot be resolved through a visual inspection,
check the following lists for probable causes and recommended actions to take
to correct the problem. For a symptom that is not listed here, contact the IEI
Customer Services Department or your sales representative.
Power Supply
Symptom Corrective Action
The power supply makes an audible alarm and
the red LED on the power supply module is
illuminated.
The error LED on the front panel lights up red and
the LCD module shows below error message:
“POWER FAILED OR REMOVED”
The event logs show below error messages:
“power failed or removed”
Replace the failed power
supply.
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Case Fan
Symptom Corrective Action
The system is on but the case fan has stopped
working.
Press the select button of LCD module twice to
check the fan speed, and it shows zero.
LCD Module
Symptom Corrective Action
The system works well but no message is
displayed on the LCD module.
The system works well but no LED on the LCD
module lights up.
Replace the failed case
fan.
Replace the LCD module.
Hard Disk / Drive Tray
Symptom Corrective Action
The hard drive makes strange sounds when
working.
LCD module shows below error message:
"disk drive n failed or unplugged"
Event logs show below error message:
"disk drive n failed or is unplugged”
Entering system administration web page and
select “Disk Configuration ”. “No Disk” message
is shown when checking physical disk status on
the page of “View Disk & Volume Status.”
Note: If the failed driv e is not configured to a RAID 1 or RAID 5 disk
volume, there is no chance to retrieve the data stored in it.
Replace the hard disk that
makes strange sound.
Replace the hard disk with
a known good hard disk.
If the failure persists,
replace the drive tray.
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System Firmware
Caution: Reinstalling system firmware will cause the existing
configuration data lost and return to the factory defaults.
Symptom Corrective Action
The system fails to boot successfully and the LCD
module displays only the date and time.
Connect the console
cables (refer to Appendix
B) to investigate the
system booting process.
If the system does not
report any hardware
failure and hangs up after
booting (as below figure),
reinstall the firmware.
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Main Board
Caution: Replacing the main board will cause the existing configuration
data lost and return to the factory defaults.
Symptom Corrective Action
After turning on the power, no “beep” is heard
after booting.
The system fails to boot successfully.
The LCD panel displays only the date and time.
After reinstalling the firmware, the system still
not works well.
Cannot connect to the network and the network
LED is off.
Replace the main board.
Connect the console
cables (refer to Appendix
B) to investigate the
system booting process.
If the system reports any
hardware failure, replace
the main board.
Replace the main board.
Check the network
connection first. If there is
no problem on network
connection, replace the
main board.
Backplane
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Symptom Corrective Action
Check the power cable
connection and the
The system does not power up at all .
redundant power supply.
If this problem persists,
replace the backplane.
The LED on the drive tray is not flas hing when
accessing data but the system works well.
Replace the backplane.
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CPU Heat Sink / Cooler
Symptom Corrective Action
The case fan is working but the LCD module
displays indicates that the system temperature is
too high.
Check if the cooler on top
of the CPU heat sink is
working, if not, replace
the cooler.
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Chapter 4 DISASSEMBLY GUIDE
Overview
System Disassembly & Assembly
Overview
The NAS-4020 can be disassembled into the following as semblies:
The NAS-4020 main board
The NAS-4020 backplane
The LCD module
The front panel assembly
The front cover
The top cover
The case fan
The power supply
The drive tray
The cooler
The hard disk
Tools Required
The tools you will need to disassemble or reassemble the NAS-4020 is listed as
below:
One number 102 Phillips-head screwdriver
One number 107 Phillips-head screwdriver
One diagonal pliers (for cutting the cable tie)
Caution: Observe ESD (electrostatic discharge) pr ecautions when
disassembling and reassembling the NAS-4020 and when han dling any
of the components of the NAS-4020.
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System Disassembly and Reassembly
Use the following procedure to disassemble the NAS-4020, reassemble it in
reverse order. It is recommended that you follow this disassembly procedure
in the order presented.
Note: Before you begin to di sasse mble the NAS- 4020 , mak e su re that
the system has been shutdown and the power cord is removed.
1. Detach the redundant power suppli es:
Loosen the screws and use the handl es to pull out the po wer suppl ies.
2. Take out the hard disks:
a. Remove the eight screws on the drive trays as indicated below:
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b. Hold the latch one at a time and then pul l out the drive tra ys.
c. Remove the drive trays accordingly. In a top-down order: HDD1, HDD2,
HDD3, HDD4.
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d. Unfasten the four screws on the back of the drive tray as shown below:
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e. Loosen the sockets indicated by the red arrows below. Now you can
remove the hard disks.
3. Remove the top cover:
Unfasten the three screws and push the top cover towards the back to
remove it.
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Here is where the “warranty void” sticker is placed.
Please replace it with a new one after mai ntenance
is complete.
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4. Detach the cooler and CPU heat sink:
a. Detach the cooler from the CPU heat sink:
If you need to detach the cooler for replacement, please loosen the two
screws on the cooler and then unplug its power connector.
b. Detach the CPU heat sink:
Loosen all screws at circled out positions then pull out the power
connector of the cooler and then you can take out the heat sink. Please
remember to put on heat sink compound when you install it back in
place.
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5. Detach the front panel assembly:
Unfasten the six screws and you can take off the front panel a ssembly.
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6. Detach the LCD module:
a. Remove the four screws as indicated below.
b. Take out the wires from the terminal block as shown in the shaded area
below.
c. Pull off the connectors and then you can remove the LCD module.
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CN8
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7. Detach the case fan:
a. Cut loose the cable ties at locations shown below:
b. Pull off the connectors and unfasten the four screws. Now you can
remove the fan.
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8. Detach the main board:
a. Remove CPU and SDRAM.
SDRAM: Cut off cable ties on top of SDRAM then press down the
fasteners where the red arrows are and then you can take
off the SDRAM.
CPU: Pull the holders outwards then up as indicated by the blue
arrow below and you can now remove the CPU.
b. Unfasten the two screws on the upper-left of the chassis.
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c. Then, unfasten the two screws o n the upper-rig ht of the chassi s.
d. Push forward according to the arrow and you can remove the main
board tray.
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e. Loosen the four screws shown below and you can remove the main
board from the tray.
9. Detach the backplane:
a. Take off the two con
nectors as shown below.
b. n the six screws and you can take o ff the backplane .
Unfaste
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Chapter 5 SPARE PARTS
Overview
Overview
Spare parts, along with corresponding IEI part numbers, are shown below.
Table 1. NAS - 4020 Spare Parts List
Item Part Numbers
NAS-4020 Main Board
(not including the CPU and the
SDRAM)
NAS-4020 Backplane 111BP202-00-010
LCD Module 131A78C-00-030
004ISS103-00-010
Front Panel Assembly
(not including the LCD module)
Front Cover 43006-002112
Top Cover 41008-010139
Case Fan 31100-000050
Power Supply ACE-R150
Drive Tray 19ANAS4000-000
Cooler 31100-000064
Service Kits NAS-4020-SK
To obtain spare parts, contact the IEI Customer Services Department or your
sales representative.
193NAS4020-000
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Chapter 6 PACKING FOR SHIPMENT
General Instructions
Packing in the Original Carton
Packing in a Different Carton
General Instructions
To ship a NAS-4020 or one of its components for any reason, please follow the
instructions in this section. Pack the NAS-4020 or component carefully. Failure
to follow the instructions in this section may result in loss or damage not covered
by any applicable IEI warranty. If available, use the original carton and packing
materials and follow the instructions in “ Pack ing in the Original Carton.” If the
original shipping carton and material are not available, use other suitable
shipping materials and container and follow the instructions in Packing in a
Different Carton.”
Prior to shipping the NAS-4020 or component, contact IEI Customer Serv ices
Department or your sales representative for a Returned Material Authorization
(RMA) number. Mark the shipping carton and any shipping forms wi th the RMA
number.
Caution: Observe ESD (electrostatic discharge) precautions when
packing any NAS-4020 components.
Packing in the Original Carton
If the original carton and packing materials are available, repack the NAS-4020
into the original carton. Add packing material in the carton as needed so the
NAS-4020 will not be able to move during shipment.
Packing in a Different Carton
If the original carton and packing material are not available when shipping an
NAS-4020 or one of its components:
1. Place the NAS-4020 or component in a plastic bag.
2. Locate a corrugated cardboard shipping carton wi th at l east 200 po un ds
per square inch (psi) bursting strength.
3. Fill the bottom of the carton with at least 2 inches of packing material.
4. Place the bagged NAS-4020 or component on the layer of packing
material and fill the box completely with packing material such that there
is at least 2 inches of packing material around all sides of the item.
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5. Seal the carton with packing tape.
6. Label carton with shipping address, return address, and RMA number.
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Chapter 7 REINSTALLING FIRMWARE
Overview
Firmware Reinstallation Procedure
Overview
This chapter illustrates the steps to reinstall firmware on a NAS-4020 system.
Caution: After firmware reinstallation, all the existing configuration
data will be lost.
Note: This chapter only applies to the system with on-board flash. For
the system using Disk-On-Module (DOM), just replace the existing
DOM with a new one containing the right version of firmware. To obt ain
the replacement DOM, please contact IEI Customer Support
Department or your sales representatives.
Tools Required
The tools you will need to reinstall the firmware of NAS-4020 is listed as below:
NAS-4020 Service Kit, including Firmware Recovery CD-ROM , Service
Manual, IDE Cable, Console (VGA and Keyboard) Ca bles
IDE CD-ROM Drive, including cables
One Monitor
One PS/2 Keyboard
Caution: Reinstalling the system firmware will cause the existi ng
configuration and data lost.
Firmware Reinstallation Procedure
The following instructions show how to reinstall the firmware on a NAS-4020.
Before performing the firmware reinst allation procedure, please have the
service kit and a CD-ROM drive with the IDE cable ready on hand.
To reinstall the firmware on the NAS-4020, please connect the console cables to
the NAS-4020 main board (refer to the Appendix B).
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1. Turn off the power and remove the top cover.
Note: Refer to the “Disassembly Guide” for removing the to p cover.
2. Connect the CD-ROM drive to the 44-pin IDE port on the main board via the
special IDE cable of the service kit. Then connect the power of the CD-ROM
drive to the main board.
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3. Use the VGA cable to connect the main board (CN10) and the monitor. Use
the keyboard cable to connect the main boar d (CN1) and the keyboar d.
4. Turn on the power. After booting, press the DELETE key to e nter the BIOS
settings menu and select Advanced BIOS Feature s.
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5. In First Boot Devic e option, select CDROM (using Page Up or Pa ge Down
key).
6. Before save the BIOS settings, put the Firmware Recovery CD into the
CD-ROM drive. Select Save & Exit Setup to reboot. After system restarts,
the following menu will appear on the screen.
7. Use UP or DOWN key to select the right firmware model and version to install,
and then press ENTER. A confirmation screen will appear. Press Y and ENTER
to proceed.
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8. The system will start to install the firmware, please wait for a while. After the
installation completes, the system will compare the checksum automatically
to verify. If succeeds, the system will have a continuous beep sound. If fails,
the system will make beep sound at one second interval.
Note: Be sure to check the result displ ayed on the scr een.
9. Press the power button to turn off the system. Turn on the system again and
change the BIOS settings back to the factory default by choosing Load
Optimized Defaults. Take the Firmware Recovery CD out. Select Save &
Exit Setup to reboot. Then turn off the power.
10. Remove the CD-ROM drive and all the cables. Put the top cover back. Turn
on the power. Make sure the system boots and works properly.
Please remember to continue to configure the system to the factory d efault
settings, such as initialize disk configuration and create public share. To initialize
system configuration, please refer to chapter 9, “Factory Defa ult Setup.”
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Chapter 8 HARD DISK INSTALLATION
Overview
Hard Drive Installation Procedure
Overview
The NAS-4020 has four hot-swap drive bays, and can install up to four 3.5” IDE
hard disk drives. To make the system ready for access, install the hard d rives to
the NAS-4020. Then refer to the chapter 9, “Fac tory Default Setup”, for steps to
configure the installed hard drives into one disk volume.
Caution: Be sure to use the drive tray for NAS-4020, failed to do so will
damage the system.
For a list of verified hard drive models, please refer to Appendix A. “Hard Drive
Compatibility List.” We strongly recommend customers to use only th e tested
hard drive models. IEI cannot guarantee system stability for users who install
drives not specified on this list.
Hard Drive Installation Procedure
To use the NAS-4020, at least one hard disk should be installed. Before installing
the hard drives, please make sure the system is off a nd the power cord has been
disconnected. Follow below steps to i nstall the hard drive s to the NAS-40 20.
1. Open the front cover. Remove the screws of each drive tray and then pull
out the trays.
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2. Before fastening the hard disks into th e tra ys, please adjust the hard disk
jumpers to Master or Single. Plug the power cords first, the n the IDE
socket. Turn to back of the tray care fully and fasten the disk dri ve with
screws.
Note: Due to the none-standard nature of IDE hard disk drives, each
hard drives model might have slightly different physical dimensions.
For some models, it may not be possible to fasten t he har d disk to th e
drive tray with all the four screws.
3. Gently push the drive tray back in to the unit. Re peat step 1 to 3 to install
the hard drive to the next dri ve tray.
4. Switch on the power and check if the green LED on each drive tray is on. If
not, please check to make sure the drive tray has been correctly installed.
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Chapter 9 FACTORY DEFAULT SETUP
Overview
Create Disk Volume
Create Network Share
Clear Event Logs
Overview
When a system is equipped with the hard drives and about to be shipped out, be
sure to perform below checks:
Create Disk Volume
Pre-configure all the hard drives on the system to a RAID-0 volume.
Create Network Share
Create a default public share folder as me ntioned i n the user’ s manual.
Clear Event Logs
Remove all the event records.
Before performing the factory default setup, s tart the browser and open the
system administration web page of the network attached storage server.
Create Disk Volume
Follow below steps to configure the default disk volume:
1. In system administration web page, go to “Disk Configuration”. Run
“Create Disk Volume”, and select “RAID 0 Striping Disk Volume.”
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2. Select to add all the disk drives into this disk volume.
3. Click OK to create the RAID volume. Please wait for a while until the volume
is created.
Create Network Share
To create the default share “public”, open the browser and connect to the
network attached storage server. Ente ring system administration web page and
follow below steps:
1. Go to “Network Share Management, and select “Create” to add a s hare.
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2. Enter public as the new share name and click OK to proceed.
3. Select the option to grant all guests full access, and then click Close.
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Clear Event Logs
In system administration web page, go to “Stati stics & Logs”, and select “Event
Logs.” Then click Clear button to clear the entire event logs.
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Appendix A.
HARD DRIVE COMPATIBILITY LIST
The compatible hard disks listed below have been thoroughly and strictly tested.
We strongly recommend customers to use only these tested hard disk models.
IEI cannot guarantee system stability for users who install drives not specified
on this list.
Caution: Hard drive from Western Digital are not recommended, as
they have been known to cause unexpected errors during hot
swapping.
Table 2. NAS-4020 Hard Drive Compatibility List
Manufacturer Model Capacity
IBM DTLA-305040 40GB
IBM IC35L080AVVA07 80GB
IBM IC35L120AVVA07 120GB
IBM IC35L120AVV207 120GB
IBM IC35L180AVV207 180GB
Maxtor D540-4K 40GB
Maxtor 6E040L0510202 40GB
Maxtor HD35-800GI-MA 80GB
Maxtor 6Y120L004001 120GB
Maxtor 4A160J00602 160GB
Maxtor 4G160JB 160GB
Maxtor 6Y200P0 200GB
Maxtor 4A250J0 250GB
Seagate ST380021A 80GB
Seagate ST3120023A 120GB
Seagate ST3120023A 120GB
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Appendix B.
Console Cable Connection
To access the system BIOS for diagnosis, you wil l need to connect the monitor
and keyboard via the console cables. The console cables are included in the
NAS-4020 Service Kits, which can be ordered as a spare part.
Note: Refer to Chapter 6, Spare Parts for ordering the service kits.
Please follow below figure to connect the console cable to the NAS-4020 main
board.
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