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CLIENT USER’S GUIDE
® ®
Dell PowerEdge Expandable RAID
Controller
Battery Backup Module Guide
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® ® Information in this document is subject to change without notice. © 1996 Dell Computer Corporation. All rights reserved. © 1996 American Megatrends, Inc. All rights reserved. Dell DELL PowerEdge DellWare Intel Microsoft Windows, Windows NT MS-DOS SCO UNIX Novell NetWare IBM OS/2 58296 ii PowerEdge Battery Backup Module User’s Guide Part Number their products. Dell Computer Corporation disclaims any proprietary interest in trademarks and trade names other than its own. Other trademarks and
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Preface Technical Support Installation and Troubleshooting Guide Dell TechConnect BBS The Installation and Troubleshooting Guide Web Site http://www.us.dell.com iii Preface You can access the Dell Computer Corporation web site at: that accompanied your Dell computer. “Getting Help” chapter in the Controller. For the correct BBS number in your area, see the information about the Dell PowerEdge Expandable RAID TechConnect BBS permits you to access technical Dell computer. that accompanied you
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1 Installing the Battery Pack Overview 1 Chapter 1 Installing the Battery Pack Cont’d PowerEdge adapter card. Backup Module switches the power source back to the If the voltage level returns to an acceptable level, the Battery modules. cycles necessary to retain the contents of the PowerEdge memory PowerEdge Battery Backup Module provides the memory refresh As long as the voltage level is below the predefined value, the Power
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Overview, Continued Battery Backup Module Bottom of board J 5 J 6 Front of board . T 1 e r a ] c l u C 0 e . a e e E l h e m t 8 p t N . e d c e e x 4 y h t u N r u - R t c m t O b a H . o e u s C d t r t d r d n S e n M e o I g o e . I c d e c D n c i E a n i r , N l n m - e d i el L r e e E p t t U T m o t r L e n m r a a U D A c r m e b y c p o D O B l o f t a m : c e e O M e n c s n d e o M P N e r e c u n / r i c r a U e r l a M P c s K o e p A p t e m e c t C y m v R n t e A i a a
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Installing the Battery Backup Module Static Electricity Warning Do not place the PowerEdge Battery Backup Module or the PowerEdge adapter card on a conductive surface while the battery is being attached or after the battery is attached. Installing Onboard Battery Pack Warning Before changing the memory on the PowerEdge card, you must disconnect the battery pack. 3 Chapter 1 Installing the Battery Pack Module. already be mount
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Install the Battery Backup Card Warning 4 PowerEdge Battery Backup Module User’s Guide Cont’d is being attached. PowerEdge adapter card on a conductive surface while the battery Do not place the PowerEdge Battery Backup Module or the PowerEdge adapter card as shown below. daughtercard on the Install the PowerEdge Battery Backup free surface. Remove the four shunts from the 8-pin connector. Remove the PowerEdge card and place it on a flat, clean, static-
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Install the Battery Backup Card, Continued Attach Module to PowerEdge Controller q The screw must not be as tight as you can make it. 5 Chapter 1 Installing the Battery Pack Cont’d cannot be turned anymore. with the back of the PowerEdge controller, but not so tight that it Tighten the screw so that it is flush standoff on the Battery Backup Module. PowerEdge controller. Next, tighten the screw into the threaded the hole o
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Install the Battery Backup Card, Continued K R A M O R P 4 3 6 9 H M I N , V 8 . 4 S D N E R T A G E M N A C I R E M A Dell PowerEdge RAID Controller User’s Guide for 6 1 1 1 SCSI Activity Dirty Cache i960 PowerEdge Battery Backup Module User’s Guide Expandable RAID Controller. additional information about installing the PowerEdge See the on it should appear as follows: The PERC with the PowerEdge Battery Backup Module installed
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Connecting Battery Packs . T e r 1 ] c a l u C 0 e a e . e E l h e m t 8 p N t c . e d e e x u N 4 y h t t r u - R c m b t O a . e s H o u C d t r t d n r d S e n I M e o g o . I d e c e c D n c i n i E N a r m , l n e L - e d i l e e E p r t t U T t r L e m o n m D A r c a a r U m e c b p D O B y o l o f a m t e e O M : c n c e s n d e o M P N e c r e u n / r i c a U r r l a M e c P s K o e p A p e t m e C c t y m v R n t e a m A i a D t e g b r o B t s n a i c G n s Y . e d
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8 PowerEdge Battery Backup Module User’s Guide
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2 Using the Battery Backup Module Charging the Battery Pack AMI Part Number Description Time to Charge 4 hours Battery, NIMH, 4.8, 1200mA external Primary - 12 hours (to 100%) Primary - 6 hours (to 90%) to Write-Through Write-Back. Removing the Battery Pack Step Action 1 flushed. You must perform a system reset if operating under DOS. When the computer 2 3 4 5 9 Chapter 2 Using the Battery Backup Module Replace the computer cover
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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. You must perform a system reset if operating under DOS. When the computer reboots, the 2 3 4 5 6 instructions in the PowerEdge RAID Controller User’s Guide. 7 Reinstall the PowerEdge controller in the computer. Follow the instructions in the Powe
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3 Specifications Fast Charge Rate Trickle Charge Rate Charge Time for Battery Packs AMI Part Number Description Time to Charge 4 hours brackets Primary - 12 hours (to 100%) Primary - 6 hours (to 90%) Retention Time for Cache Memory 11 Chapter 3 Specifications See Appendix A for the data retention time. the SIMM size and number of DRAM SIMM banks used. The retention time for cache memory will vary with Secondary - 60 hours exter
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Appendix A Data Retention Time • • Capacity and Load Factors Battery Pack DRAM Size Data Retention Time 1 Bank of 1 MBx36 (12 chips) See the Technical Update shipped with the PERC or Dell Server. 2 Banks of 1 MBx36 (12 chips) 1 Bank of 1 MBx36 (12 chips) 2 Banks of 1 MBx36 (12 chips) Installation and Troubleshooting Guide 13 Chapter 3 Specifications about technical support. that accompanied your Dell computer for additional in
