Dell 4100, 200, 180 service manual System Overview, System Features

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Chapter 1

System Overview

The Dell® PowerEdge® 4100 systems covered in this manual are high-speed, upgradable server systems, which use the Intel® Pentium® Pro family of microprocessors. PowerEdge 4100 systems incorporate the high-performance peripheral component interconnect (PCI) local bus as well as the extended industry-standard architecture (EISA) expansion bus. These buses are built into the system board, which integrates the microprocessor(s) and other elements of the basic computer system.

PowerEdge 4100 systems may have one or two Pentium Pro microprocessors. The systems have been designed for better serviceability and increased reliabil- ity, with optional redundant power supplies, RAID capability, hot-pluggable SCSI hard-disk drives, thermal and power supply monitoring, redundant fans, and ECC memory. The PowerEdge 4100 systems are freestanding or can be rackmounted to integrate your servers. The microprocessor modules are installed in zero insertion force (ZIF) sockets on the system board, which allow you to replace microprocessors faster. Contact Dell for information about Dell- supported microprocessor upgrades.

The Pentium Pro microprocessor contains a built-in clock multiplier circuit, which increases the microprocessor’s internal operating frequency to a multiple of the system clock frequency. The microprocessors for each of these systems and their operating frequencies are as follows:

Dell PowerEdge 4100/180 system — 180 MHz derived from a system clock frequency of 60 MHz

Dell PowerEdge 4100/200 system — 200 MHz derived from a system clock frequency of 66 MHz

System Features

In addition to the standard features found in a traditional personal computer, Dell PowerEdge 4100 systems include the following new and/or advanced features:

256 KB (PowerEdge 4100/180 systems) or 512 KB (PowerEdge 4100/200 systems) of cache memory internal to the Pentium Pro module

64 MB of 72-bit wide, buffered, extended data output (EDO) main memory, upgradable to 1024 MB (1 GB)

Hot-pluggable SCSI backplane supporting up to six hard-disk drives

Optional, redundant hot-pluggable power supplies

System Overview

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Contents Dell PowerEdge 4100/180 and 4100/200 Systems Page System Overview System FeaturesPage Computer Orientation Front-Panel Features Front/Left Internal View Back/Right Internal View I/O Panel System Memory Advanced Expansion SubsystemIntegrated Server Management Scsi Hard-Disk Drives Scsi Configuration GuidelinesVideo Controller Integrated Scsi ControllersScsi ID Numbers System Power Supply System UnitDC Voltage Ranges Power Supply Connectors DC Power Connector J11 P1 DC Power Connectors J12 P2, J13 P3, and J14 P4 Ddbp 12. Power-Supply Paralleling Board Connectors 13. DC Power Connector PWR1 15. DC Power Connector Pwrscsi Ddbp DC Power Distribution Redundant System 18. System Board Components System Board LayoutMain Memory Interrupt Assignments Jumper DescriptionsInterrupt Assignments Dreq Line Assignments DMA Channel AssignmentsTechnical Specifications Technical SpecificationsSystem Clocks CD-ROM Power Technical Specifications Initial User Contact Basic TroubleshootingExternal Visual Inspection Observing the Boot Routine Internal Visual Inspection Eliminating Resource Conflicts Running the System DiagnosticsGetting Help Beep Codes Post Beep CodesBeep Codes System Error Messages System Error MessagesReal-time clock on Defective micro Wrong microprocessor Replace microprocessor Page Recommended Tools Removing and Replacing PartsComputer Covers Precautionary MeasuresKeylocks on Computer’s Back Panel Front Bezel Removal Front BezelDrive Hardware DrivesFront-Panel Insert Removal Front-Panel InsertsExternally Accessible Drives Removal Externally Accessible DrivesDrive-Mounting Rails Removal Hard-Disk Drive Carrier Removal Hard-Disk DrivesHard-Disk Drive Removal 10. Scsi Backplane Board Removal Scsi Backplane Board11. Power Supply Removal Power Supply12. Power-Supply Paralleling Board Removal Redundant Systems Power-Supply Paralleling Board13. Power Connector Panel Removal Nonredundant Systems Power Connector Panel14. Control Panel Removal Control Panel15. Cooling Fan Removal Cooling Fans16. System Board Components System Board Components17. Expansion Card Removal Expansion Cards18. Dimm Removal DIMMsMicroprocessor and Heat Sink 20. Microprocessor Configuration21. Microprocessor Securing Clip 23. Pin-1 Identification 24. System Battery Removal System Battery25. System Board Removal System BoardScreen Conventions System Setup ScreensTable A-1. Key Functions Key FunctionsMain Menu Screen Color CombinationsTable A-2. Main Menu Categories Post Boot Options SubmenuFigure A-3. Advanced Menu Advanced MenuTable A-4. Advanced Menu Categories Figure A-4. Security Menu Security MenuUser’s Guide Table A-5. Security Menu CategoriesFigure A-5. Exit Menu Exit MenuTable A-6. Exit Menu Categories Page Index Dreq line assignments Scsi Key functions, A-2main menu, A-3menus, A-1
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