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Page 2 - PowerEdge Battery Backup Module User’s Guide; ii; Dell

PowerEdge Battery Backup Module User’s Guide ii Dell ® PowerEdge ® Expandable RAID Controller Information in this document is subject to change without notice.  1996 Dell Computer Corporation. All rights reserved.  1996 American Megatrends, Inc. All rights reserved. Reproduction in any manner what...

Page 3 - iii; Preface; Web Site; You can access the Dell Computer Corporation web site at:

Preface iii Preface The PowerEdge Battery Pack Module is a mezzanine card thatmounts on top of the PowerEdge adapter card. The PowerEdgeBattery Backup Module provides emergency battery power forthe cache memory mounted on the PowerEdge adapter card.. Technical Support If you need technical assistanc...

Page 5 - Chapter 1 Installing the Battery Pack 1; Installing the Battery Pack; Overview; Cont’d

Chapter 1 Installing the Battery Pack 1 1 Installing the Battery Pack Overview The PowerEdge Battery Backup Module protects the data handledby the PowerEdge® Expandable RAID Controller by providingprotection from power supply interruptions to the PowerEdgecache memory. The PowerEdge Battery Backup M...

Page 6 - Battery Backup Module; The backup module is shown below. There are no; Front of board

2 PowerEdge Battery Backup Module User’s Guide Overview, Continued Battery Backup Module The backup module is shown below. There are no jumpers to set. There are only two connectors that attach thisdaughtercard to the PowerEdge controller card. Two three-pinconnectors (J1 and J2) attach the primary ...

Page 7 - Chapter 1 Installing the Battery Pack 3; Installing the Battery Backup Module; Installing Onboard Battery Pack; Warning

Chapter 1 Installing the Battery Pack 3 Installing the Battery Backup Module Static Electricity The PowerEdge PC SCSI Disk Array adapter card and the PowerEdge Battery Backup Module contain sensitive electronic components.Make sure you ground yourself by wearing an antistaticwristband or by maintain...

Page 8 - Install the Battery Backup Card; Do not place the PowerEdge Battery Backup Module or the

4 PowerEdge Battery Backup Module User’s Guide Install the Battery Backup Card Remove the PowerEdge card and place it on a flat, clean, static-free surface. Remove the four shunts from the 8-pin connector.Install the PowerEdge Battery Backup daughtercard on thePowerEdge adapter card as shown below. ...

Page 9 - Chapter 1 Installing the Battery Pack 5; Install the Battery Backup Card,; PowerEdge RAID controller using the

Chapter 1 Installing the Battery Pack 5 Install the Battery Backup Card, Continued Attach Module to PowerEdge Controller Fasten the Battery Backup Module to the PowerEdge RAID controller using the q ” screw and nylon washer supplied with the Battery Backup Module. First, insert thescrew through the ...

Page 11 - Chapter 1 Installing the Battery Pack 7; Connecting Battery Packs

Chapter 1 Installing the Battery Pack 7 Connecting Battery Packs The PowerEdge Battery Backup Module usually is shipped withan onboard four-cell Nickel- Metal Hydride battery pack alreadyinstalled. If this is the case, you must only insert the batteryconnector into J2, as shown below. The battery ca...

Page 13 - Chapter 2 Using the Battery Backup Module 9; Using the Battery Backup Module; Charging the Battery Pack; Removing the Battery Pack

Chapter 2 Using the Battery Backup Module 9 2 Using the Battery Backup Module Charging the Battery Pack The battery pack is shipped uncharged. You must charge thebattery pack before you can use it. The minimum time that thebattery must be charged is: AMI Part Number Description Time to Charge BAT-NI...

Page 14 - Changing DRAM Modules; Important; The battery backup module must be disconnected; Disposing of a Battery Pack

10 PowerEdge Battery Backup Module User’s Guide Changing DRAM Modules Important The battery backup module must be disconnected before you add or remove DRAMs to or from the PowerEdge controller card. Step Action 1 Bring down the operating system properly. Make sure that cache memory has been flushed...

Page 15 - Chapter 3 Specifications 11; Specifications; Fast Charge Rate

Chapter 3 Specifications 11 3 Specifications Fast Charge Rate 235 mA Trickle Charge Rate 24 mA Charge Time for Battery Packs The following time-to-charge values are calculated assuming 80% efficiency in the charging process. Thetime-to-charge values may vary depending on individual batterypacks. AMI...

Page 17 - Chapter 3 Specifications 13; Appendix A Data Retention Time; The data retention time is a function of:

Chapter 3 Specifications 13 Appendix A Data Retention Time The data retention time is a function of: • the capacity of the battery pack, and • the load of the backed up circuitry. Capacity and Load Factors The data retention time as a function of the battery pack capacity and load is listed below.Th...