Compaq ML350 - page 52

Removal and Replacement Procedures

2-38 Compaq ProLiant ML350 Generation 3 Server Maintenance and Service Guide

COMPAQ CONFIDENTIAL Codename: Steel Dragon 2.4 Part Number: 278704-002 Last Saved On: 12/18/02 9:43 AM

To replace the system board battery:

1. Complete the preparation procedures. Refer to “Preparation Procedures” earlier in this

chapter.

2. Open the bezel door. Refer to “Bezel Door” earlier in this chapter.

3. Remove the access panel. Refer to “Access Panel” earlier in this chapter.

4. Locate the battery on the system board.

5. Press the battery release lever away from the battery (1).

6. Lift the battery up from that side and out of its holder (2).

IMPORTANT: The battery should be installed with the positive polarity (+ side) positioned up.

NOTE: If expansion boards are installed, you may need to remove them to gain access to the battery.

Figure 2-35: Locating and removing a system board

battery

Contents

Main Compaq ProLiant ML350 Generation 3 Server Maintenance and Service Guide Page Contents Page About This Guide Symbols in Text Compaq Technician Notes Where to Go for Additional Help Integrated Management Log Telephone Numbers Text Conventions Illustrated Parts Catalog Mechanical Parts Exploded View Figure 1-1: Mechanical parts exploded view Mechanical Spare Parts List Table 1-1: Mechanical Spare Parts List System Components Exploded View Figure 1-2: System components exploded view System Components Spare Parts List Table 1-2: System Components Spare Parts List Table 1-2: System Components Spare Parts List continued Removal and Replacement Procedures Electrostatic Discharge Information Symbols on Equipment These symbols may be located on equipment in areas where hazardous conditions may exist. Preparation Procedures Non-Hot-Pluggable Device Powering Down the Server Rack Stability Warning Bezel Door (Tower Model Only) Access Panel Bezel (Rack Model Only) Page Page Removable Media Device Blank Cable Routing Diagrams Diskette Drive Signal Cable IDE CD-ROM Drive Signal Cable Removable Media Device Cable Page Air Baffle System Fan Modules Page Page Drive Bay Configuration Hot-Plug Hard Drive Blank Hot-Plug Hard Drive Hot-Plug Hard Drive Cage Page Removable Media Device Page Expansion Slots Figure 2-23: Expansion slot locations Table 2-3: Expansion Slots Expansion Board Page Memory Module Guidelines Memory Modules Processors and Processor Power Modules Processor Page Page Processor Power Module System Board System Battery System Board Battery Page Power Supply Power Supply Backplane Board Feet (Tower Model Only) Diagnostic Tools Diagnostic Tools Utility Overview Table 3-1: Diagnostic Tools Page Page Table 3-1: Diagnostic Tools continued For More Information www.compaq.com/support/servers. Connectors, Switches, and LEDs Connectors and Components Rear Panel Components Figure 4-1: Rear panel components System Board Components Figure 4-2: System board components Table 4-2: System Board Components Switches System Configuration Switch Settings Table 4-3: System Configuration Switch Settings Table 4-4: System ID Switch Settings Resetting System Configuration Settings LEDs Power Button, System Status LEDs, and Unit Identification Button Figure 4-4: Power button, system status LEDs, and Unit Identification button Table 4-5: Power Button, System Status LEDs, and Unit Identification Button System Board LEDs Figure 4-5: System board LEDs Table 4-6: System Board LEDs Table 4-6: System Board LEDs continued Hot-Plug Hard Drive LEDs Table 4-7: Hot-Plug SCSI Hard Drive LED Combinations Table 4-7: Hot-Plug SCSI Hard Drive LED Combinations continued Network Interface Controller LEDs Physical and Operating Specifications System Unit Table 5-1: System Unit Specifications Rack Server System Unit Table 5-2: Rack Server System Unit Specifications Memory Table 5-3: Memory Specifications 1.44-MB Diskette Drive Table 5-4: 1.44-M Diskette Drive Specifications IDE CD-ROM Drive Table 5-5: IDE CD-ROM Drive Specifications Wide Ultra3 SCSI Hot-Plug Hard Drives Table 5-6: Wide Ultra3 SCSI Hard Drive Specifications Integrated Compaq NC7760 Gigabit Server Auto-switching NIC Table 5-7: Integrated Compaq NC7760 Gigabit Server Auto-switching NIC Specifications Integrated Dual Channel Wide Ultra3 SCSI Adapter Table 5-8: Integrated Dual Channel Wide Ultra3 SCSI Adapter Specifications Remote Insight Lights-Out Edition II Option Board Table 5-9: Remote Insight Lights-out Edition II Option Board Specifications Index A B C D E F G H I L M N O P R S T U V W