Dell 2100/180 service manual Interrupt Assignments

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Interrupt Assignments

 

Table 1-3. Interrupt Assignments

 

 

IRQ Line

Used By/Available

 

 

IRQ0

Generated by system timer.

IRQ1

Generated by keyboard controller to indicate that keyboard’s out-

 

put buffer is full.

IRQ2

Generated internally by interrupt controller to enable IRQ8

 

through IRQ15.

IRQ3

Generated by super I/O controller to indicate that device con-

and

nected to corresponding serial port requires service (IRQ3 for

IRQ4

COM2 or COM4; IRQ4 for COM1 or COM3).

IRQ5

Available for use by expansion card unless this IRQ line is used

 

by secondary parallel port.

IRQ6

Generated by super I/O controller to indicate that diskette or tape

 

drive requires service.

IRQ7

Generated by super I/O controller to indicate that device con-

 

nected to parallel port requires service.

IRQ8

Generated by keyboard controller for each tick of RTC.

IRQ9

Available for use by expansion card.

IRQ10

Available for use by expansion card.

IRQ11

Available for use by expansion card.

IRQ12

Generated by keyboard controller to indicate that mouse’s output

 

buffer is full.

IRQ13

Generated by math coprocessor to indicate coprocessor error.

IRQ14

Available for use.

IRQ15

Available for use.

 

 

System Overview 1-17

Image 34
Contents Dell PowerEdge 2100/180 and 2100/200 Systems Page Dell PowerEdge 2100/180 and 2100/200 Systems Page Index Front bezel features, 1-3insert removal, 4-5removal Key functions, list of main menu, A-3menus, A-1 Figures Xii Tables Xiv Contents Chapter Beep Codes and Error Messages Chapter Basic TroubleshootingChapter Removing and Replacing Parts Index Viii Page Read This First System Overview System Features Computer Orientation Front/Right Side Internal View Back/Left Side Internal View Advanced Expansion Subsystem System MemoryIntegrated Server Management Integrated Scsi Controller Scsi Configuration GuidelinesVideo Controller Scsi Hard-Disk DrivesScsi ID Numbers Scsi Termination Jumper Examples System Power Supply System UnitDC Power Connector P1 DC Power Distribution 10. DC Power Distribution System Board Layout Top of the computerSystem Board Jumper 12. System Board JumpersJumper Descriptions Interrupt Assignments Interrupt AssignmentsDMA Channel Assignments Dreq Line AssignmentsTechnical Specifications Technical SpecificationsIntegrated Scsi Controller Physical Page Basic Troubleshooting Initial User ContactExternal Visual Inspection Observing the Boot Routine Internal Visual Inspection Eliminating Resource Conflicts Running the Diskette-Based Diagnostics Getting HelpBeep Codes and Error Messages Post Beep CodesPost Beep Codes System Error Messages System Error MessagesSystem did not Bios detected a See Eliminating Page Removing and Replacing Parts Recommended ToolsPrecautionary Measures Computer Cover Computer Cover RemovalFront Bezel Front Bezel RemovalFront-Bezel Inserts Front-Bezel Insert RemovalControl Panel Assembly Control-Panel Assembly RemovalDrives ScsiExternally Accessible Drives Externally Accessible Drives RemovalDrive-Mounting Rails and Extensions Removal Hard-Disk Drives Hard-Disk Drive RemovalExpansion Cards Expansion Card RemovalSystem Power Supply 10. Power Supply RemovalSystem Cooling Fan 11. System Cooling-Fan RemovalSystem Board Components 12. System Board ComponentsDIMMs 13. Dimm RemovalMicroprocessor/Heat Sink Assembly 15. Microprocessor Securing Clip Removal16. Microprocessor/Heat Sink Assembly System Battery Remove the batterySystem Board Assembly 18. System Board Assembly RemovalSystem Board 19. System Board Removal
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2100/180 specifications

The Dell 2100/200 and Dell 2100/180 are innovative offerings from Dell that cater to the demands of a variety of users, ranging from small businesses to larger enterprises. Both models are designed to deliver high performance and reliability, making them indispensable tools in the modern computing environment.

The Dell 2100/200 features an impressive Intel processor that ensures fast and efficient performance, making it suitable for multitasking and handling complex applications. Coupled with a generous RAM configuration, this model can easily manage demanding workloads, resulting in smoother performance and faster processing times. In contrast, the Dell 2100/180, while slightly less powerful, still maintains robust performance levels that are well-suited for general productivity tasks and everyday use.

Both models come equipped with ample storage options, featuring hard disk drives that provide significant space for data and application storage. Users can choose between traditional HDDs and solid-state drives (SSDs), allowing them to prioritize speed and performance based on their specific needs. The flexibility in storage options ensures that users can customize their systems according to their requirements, enhancing the overall user experience.

Connectivity is another area where the Dell 2100 series excels. Both models come with a range of ports including USB, HDMI, and Ethernet, allowing for seamless connectivity with various peripherals and networks. This versatility makes the machines ideal for environments where multiple devices need to be connected simultaneously, whether for presentations, data transfer, or internet access.

In terms of energy efficiency, both the Dell 2100/200 and Dell 2100/180 incorporate advanced cooling technologies that minimize energy consumption while maximizing performance. This not only helps reduce operational costs but also contributes to a more sustainable computing environment.

The design of these models is another distinguishing feature. With a compact form factor, they fit easily into office spaces while maintaining a professional appearance. Their durable build quality ensures longevity, making them a worthwhile investment for businesses.

Overall, the Dell 2100/200 and Dell 2100/180 serve as powerful and reliable machines that combine advanced technologies and user-centric designs. Whether for business or personal use, these models provide a solid foundation for effective computing, ensuring that users can achieve their goals efficiently and effectively.