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Galaxy GHDX-2422S-8+12F4D Installation and Hardware Reference Manual
Replacing or Upgrading Memory Modules
5-6
WARNING!
The controller board in the controller module contains sensitive components. Please
ensure that all anti-static precautions stipulated above are strictly adhered to. Only
qualified engineers should replace the DIMM module.
5.3.2 Selecting a Memory Modules
If the memory module mounted on the controller is going to be replaced, the following
factors must be considered when purchasing replacement DIMM modules:
♦ Pre-installed DIMM module: The subsystem comes with a 256MB DDR RAM
DIMM module pre-installed on the controller board. If you wish to change the size
of the DIMM, then a new, separately purchased DIMM must be installed.
♦ DDR RAM DIMM modules supported: The subsystem supports DDR RAM DIMM
modules with memory capacities from 256MB to 2GB.
♦ Installation considerations: When installing the DIMM module, it is necessary to
handle the controller module. The controller board is more susceptible to damage
than the other components and must therefore be handled with extreme care. ALL
anti-static precautions specified in Section 2.3 must be strictly adhered to.
♦ Secure installation: When replacing the DIMM module, make sure that the new
DIMM module is firmly in place prior to installing the controller module. If the
DIMM module is not firmly in place, the subsystem will not run and the controller
will need to be removed and the DIMM module correctly installed.
♦ Purchasing considerations: When purchasing a DDR RAM DIMM to install on the
controller board, contact your vendor for an updated list of certified modules.
5.3.3 DIMM Module Installation
WARNING!
The pre-installed modules must be removed prior to installing new memory
modules. Do this with care. Sensitive components can be damaged during the
process.
Step 1. Remove the controller module. See Section 5.2.3.
- Galaxy Raid 1
- Installation and Hardware 1
- Reference Manual 1
- Contact Information 2
- Copyright 2006 3
- Warnings and Certifications 4
- (Certified Worldwide) 5
- CNS 13438 (for Taiwan) 5
- Table of Contents 6
- APPENDIX A SPECIFICATIONS 8
- APPENDIX C PINOUTS 8
- Safety Precautions 9
- About This Manual 9
- Revision History 10
- Who should read this manual? 10
- Conventions 10
- Warnings 11
- Cautions 11
- Chapter 1 13
- Introduction 13
- 1.1.2 Model Variations 14
- 1.1.3 Enclosure Chassis 14
- 1.1.3.1 Chassis Overview 14
- CAUTION! 16
- 1.1.3.2 Physical Dimensions 16
- 1.1.3.5 Rear Panel Overview 18
- 1.2. Subsystem Components 19
- WARNING! 21
- DIMM Module 23
- 1.2.4 Optional BBU Module 23
- 1.2.5 Power Supply Units 24
- 1.3. Subsystem Monitoring 26
- 1.4.3 Normalized Airflow 28
- Chapter 2 29
- Hardware Installation 29
- 2.3 Safety Precautions 30
- 2.5 Unpacking the Subsystem 34
- 2.6 Installation Overview 35
- 2.7 Rackmounting 36
- Figure 2-4: Front Ear Holes 37
- 2.8 BBU Installation 38
- IMPORTANT! 39
- 2.9 Hard Drive Installation 40
- 2.9.3 Drive Installation 41
- 2.10 Drive Tray Installation 42
- Chapter 3 45
- Subsystem Monitoring 45
- 3.2 Status-indicating LEDs 47
- 3.2.3 LAN Port LEDs 49
- 3.2.4 LCD Keypad Panel 50
- 3.2.5 Drive Tray LEDs 51
- 3.2.6 PSU Module LED 51
- 3.2.7 Cooling Module LED 52
- 3.2.8 BBU Module LED 53
- 3.3 Audible Alarm 54
- C Monitoring 55
- This page is intentionally 56
- Chapter 4 57
- Subsystem Connection and 57
- Operation 57
- 4.1.3 SFP Transceivers 58
- 4.1.5 Points of Failure 59
- 4.2 Power On 62
- 4.2.3 Power On Enclosure 63
- 4.2.4 Power On Status Check 63
- 4.2.5 LCD Screen 64
- GALAXYHD 64
- 4.3 Power Off Procedure 65
- Subsystem Maintenance and 67
- Upgrading 67
- 5.2.1 Overview 69
- NOTE: 73
- 5.4. Replacing a Faulty BBU 74
- 5.7. Drive Tray Maintenance 81
- Appendix A 87
- Specifications 87
- Configuration 89
- Architecture 89
- A.6 RAID Management 91
- Appendix B 93
- Spare Parts and Accessories 93
- Controller Modules 94
- Accessories Overview 94
- Appendix C 97
- Pinouts 97
- C.3. GAL-9011 Null Modem 100
- C.4. Ethernet Port Pinouts 100
- C.5. Main Power 100
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