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IBM PC 300GL Information Manual
Summary of PC 300GL
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Understanding your personal computer pc 300gl.
Page 3: Pc 300Gl
Understanding your personal computer pc 300gl ibm.
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First edition (november 1998) note: before using this information and the product it supports, be sure to read the general information under appendix, “notices and trademarks” on page 48. The following paragraph does not apply to the united kingdom or any country where such provisions are inconsiste...
Page 5: Contents
Contents overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Vi chapter 1. Microprocessors and memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 microprocessors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
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Audio ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 serial port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 universal serial bus ports . . . . . . . . . . . . . . . . . . . . . . . . . . ....
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Remote administration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 dhcp and rpl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 wake on lan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 8: Overview
Overview this book provides information about microprocessors, memory, bus architectures, input/output features, video, power management, ports, storage devices, security features, and software. Not all features and capabilities described in this book are available on all models. For specific inform...
Page 9: Microprocessors
Chapter 1. Microprocessors and memory the microprocessor-and-memory subsystem consists of components on the system board that perform logical operations and calculations, control memory, and manage data-transfer operations. The devices and features that make up the microprocessor-and-memory subsyste...
Page 10: Memory
Microprocessors can operate at two clock speeds: an internal speed for operations within the microprocessor and an external speed for transferring data in and out of the microprocessor. Microprocessor cache both level-1 (l1) cache and level-2 (l2) cache are integrated with the microprocessor on the ...
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Of memory, the computer can store over 1 000 000 characters of information. The computer organizes its memory by assigning an address to each byte as a point of reference. The first address is 0, and the addresses increase sequentially. When information is written to memory, the encoded character is...
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Your computer stores various system programs and data in flash memory so that they can be updated whenever enhancements are made. Stored in flash memory are: basic input/output system (bios) power-on self-test (post) configuration/setup utility program vital product data (vpd) processor update code ...
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Imposed on the microprocessor. The cache controller manages the use of the cache so that the number of cache hits far exceeds the number of cache misses. Level-2 cache your computer has level-2 (l2) cache memory integrated into the microprocessor. L2 cache complements l1 cache to increase the probab...
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Memory above the first 1 mb is not written to or read from directly. It is broken into 16 kb pieces called pages, or 64 kb pieces called frames, and is moved in and out of the reserved area as needed. When a page or frame is moved into the reserved area, it can be read from and written to as any oth...
Page 15: Control Logic
Control logic the control logic consists of the modules on the system board that control access to main and cache memory by the microprocessor and i/o devices. Control logic includes the following devices and functions: audio-port controller and interface (some models only) bus-mastering ide interfa...
Page 16: Chapter 2. Expansion-Bus
Chapter 2. Expansion-bus this section gives an overview of the expansion-bus and explains how advanced buses can improve performance. A computer bus is a pathway of wires and signals that carries (or transfers) information inside the computer; information includes data, addresses, instructions, and ...
Page 17: Isa-Bus
Pci interface the pci-bus connects to the microprocessor bus through a buffered bridge controller. A bridge translates signals from one bus architecture to another. Pci and isa devices get all their data and control information through the pci controller. The pci controller looks at all signals from...
Page 18: Expansion-Bus Slots
Expansion-bus slots if you want to add new capabilities to your computer, you can do so by installing optional adapters. Your computer provides an isa-bus expansion slot so you can take advantage of the wide availability of isa peripheral devices and applications. Also, pci-bus expansion slots allow...
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Legacy adapters adapters that are not plug and play devices are referred to as legacy devices. The configuration/setup utility program can help you manually configure legacy adapters. The screens of the configuration/setup utility program show the resources typically required by adapters: memory res...
Page 20: Chapter 3. Video
Chapter 3. Video this section describes the video features of your computer, including monitors, the graphics controller, video modes, and other video features. Monitors although there are various types of monitors, the most common distinguishing characteristics are resolution, dot pitch, scanning r...
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Row from top to bottom, then starts at the top to fill in the rows that were skipped on the first pass. The noninterlaced method draws the complete image on each pass. The vertical refresh rate affects the stability of the image on the screen. Monitors that have a fast, noninterlaced refresh rate pr...
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In standby mode, the monitor (and other devices) are switched to a reduced-power state if you do not use your mouse or keyboard for a specified period. The devices remain in a state of readiness and return to full power if you press a key or move the mouse. Suspend further decreases monitor power, a...
Page 23: Video Control
Using screen savers leaving the monitor turned on for prolonged periods without changing the image can harm the monitor. Depending on what is on the screen, the image might be permanently burned into the phosphor coating or cause darkening of some areas of the screen. With dpms-enabled monitors, you...
Page 24: Svga Mode
Svga mode super video graphics array (svga) is a video standard for displaying text and graphic images. Like other video standards, svga supports a variety of video modes. Video modes are different combinations of resolutions, refresh rates, and colors defined by a video standard for displaying text...
Page 25: Chapter 4. I/o Features
Chapter 4. I/o features input/output (i/o) devices provide you with many ways of getting information into and out of your computer. You can connect a variety of standard and optional devices to your computer, including a monitor, keyboard, mouse, and printer. This section includes information about ...
Page 26: Serial Port
Headphone connection for headphones or powered external speakers joystick/midi connection for a joystick or a midi device note: when either headphones or speakers are connected to the headphone jack, the internal computer speaker is disabled. There might also be an internal speaker and connections o...
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2e8 the available irqs are: irq 4 irq 3 irq 9 irq 10 irq 11 irq 14 irq 15 there is no direct relationship among the port connectors, the available port settings, and the com numbers. When you start the computer, the power-on self-test (post) assigns com numbers to the port addresses that are actuall...
Page 28: Parallel Port
Parallel port your computer has a parallel-port connector as a standard, built-in feature. The parallel port is most often used to communicate with a parallel printer, but it can also be used with a variety of other parallel devices. The parallel port transfers data 8 bits at a time, compared to the...
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Can use one of the diagnostic programs available with the ibm-preinstalled software package. Generally, you do not have to change the parallel-port setting. However, if you add a parallel adapter or use special hardware or software that causes a configuration conflict, you might have to change the p...
Page 30: Keyboard Port
Keyboard port the keyboard helps you communicate with your computer; the keyboard connects to the keyboard-port connector on the back of the computer. Use your keyboard for the following: typing information performing application functions performing computer operations entering numbers with the num...
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Caps lock caps lock scroll lock scroll lock f 1 f 2 f 3 f 4 f 5 f 6 f 7 f 8 f 9 f 1 0 f11 f 1 2 p a u s a b l o c s c o r r b l o c s c o r r r s i s t r s i s t i n t e r r s t a m p pag f i n e pag num lock num lock e s c e s c # 6 & 4 5 $ % 8 ( [ 7 / q w e r t y u i @ o p é è + * 1 2 3 ! " \ a s ...
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Special computer keys the keyboard has several other keys that are not on a typewriter. These are escape (esc), control (ctrl), alternate (alt), insert (ins), delete (del), print screen, scroll lock, and pause/break. Caps lock caps lock scroll lock scroll lock f 1 f 2 f 3 f 4 f 5 f 6 f 7 f 8 f 9 f 1...
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Cursor keys the cursor keys are used to move the cursor (a flashing short line or small box) to various positions on the screen. Caps lock caps lock scroll lock scroll lock f 1 f 2 f 3 f 4 f 5 f 6 f 7 f 8 f 9 f 1 0 f11 f 1 2 p a u s a b l o c s c o r r b l o c s c o r r r s i s t r s i s t i n t e r...
Page 34: Mouse Port
You can use the numeric keypad to: activate the num lock key to enter numeric information. Deactivate the num lock key to control cursor movement. Enter special characters when used in conjunction with the alt key. This is done by holding down the alt key while entering a numeric value on the keypad...
Page 35: Monitor Port
Some mouse devices are designed for the round mouse connector on the back of your computer, while others are designed for the d-shaped serial connector. Either type of mouse will operate, provided you have the correct device driver installed. Monitor port the monitor port allows you to connect a var...
Page 36: Diskette Drives
Chapter 5. Storage devices this section contains information about some of the data-storage devices available for your computer. These devices enable you to expand the capacity of your computer. The common types of storage devices that can be used in the computer are: diskette drives hard disk drive...
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3.5 diskette 2.0 mb capacity no window dd 3.5 diskette 2.0 mb capacity hd window 1 mb double density (dd) 2 mb high density (hd) storage devices 29.
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Handling and storing diskettes inside the protective diskette case is a flexible disk with a magnetic-sensitive coating. This disk can be damaged by heat, dust, a magnetic field, or even a fingerprint. Use the following guidelines when handling and storing diskettes. Data is stored on the magnetic s...
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Labeling diskettes before using a diskette, label it so that you can identify the data stored on it. Labels usually come in the package with the diskettes. Diskette labels can become a problem if you do not apply them correctly. Loose edges or an excessive buildup of labels can prevent the diskette ...
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Write protecting diskettes it is possible to accidentally format a diskette or unintentionally write data to it. Important information can be written over or lost. For this reason, it is a good idea to write protect important diskettes. You can read data from a write-protected diskette, but you cann...
Page 41: Hard Disk Drives
The operating system format command specifies how to format a specific type of diskette. Attention: always format diskettes to their correct capacity. Failing to do so might cause unreliable results. Differences such as magnetic coatings, the thickness of the diskette material, and the recording tec...
Page 42: Cd-Rom Drives
Ide your computer has a pci-to-ide interface that complies with the at-attachment interface. This interface includes the original ide (ata) interface with extensions for ultra dma-33. The original ide interface specification refers to a hard disk drive with a built-in controller (as opposed to a har...
Page 43: Zip Drives
Zip drives some computers come with a preinstalled internal zip drive. A zip drive is a high-capacity disk drive that uses a removable disk that is slightly larger and about twice as thick as a conventional 3.5-inch floppy diskette. The zip disk has a capacity of 100 mb of data. They have become ver...
Page 44: Chapter 6. Security
Chapter 6. Security this section provides information about the security features of your computer. Security is important for protecting your computer and the data stored in it. If you use your computer in a public environment, such as an office, you might want to protect the computer and data by us...
Page 45: Information Backup
Information backup most of the information stored on a hard disk is contained in data files. Data files contain the information you put in the computer, such as letters and reports. You can lose data files from your hard disk for a variety of reasons. Security violations, improper handling during a ...
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Might be difficult to determine if the problem is a hardware failure, a software problem, or a virus in action. Viruses are generally spread unknowingly from computer to computer when programs are copied or exchanged. If you don't know where a program came from, be careful. Most reputable bulletin-b...
Page 47: Chapter 7. Software
Chapter 7. Software software includes a variety of instructions, programs, utility programs, and tools that enable your computer to do what you want it to do. Software layers several layers of software work together to make your computer work. System programs are the basic layer of software built in...
Page 48: Post
Post each time you turn on your computer, power-on self-test (post) is automatically run. Post programs are stored in flash memory along with the bios and the configuration/setup utility program. Functions of post are: test the computer hardware and subsystems update the computer configuration load ...
Page 49: Operating Systems
Operating systems an operating system is a complex collection of utility programs and device drivers that control what a computer does. It is the operating system that enables a computer to accept information from a keyboard, display it on a monitor, print it, and save it on a disk. The operating sy...
Page 50: Advanced Power Management
– in winnipeg, call 204-934-2735. For the latest device drivers, visit the following page: http://www.Pc.Ibm.Com/support device-driver types device drivers fall into two general categories: application-specific and device-specific. Application programs load application-specific device drivers into m...
Page 51: Application Programs
Refer to your operating system documentation to determine if the activity monitor is supported. Automatic power on enables the computer to turn on when it is unattended. Optional hardware and software is needed for some features of automatic power on. For more information about automatic power on, s...
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Your computer might come with the operating system and other software already installed on the hard disk drive. The operating system might fail if you modify operating system files incorrectly or if you try to install software that is not designed to operate on your computer. Back up your operating ...
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Chapter 8. Networking and system management features this section contains information about the networking features available on your computer. A network consists of computers linked together so that they can share resources, such as files, programs, and peripherals. The simplest form of a network ...
Page 54: Remote Administration
Browsers are provided by all major operating systems and all major lan management packages (including netfinity and lanclient control manager). Remote administration when this feature is enabled and you are connected to a network, the system programs in your computer can be updated remotely by a net...
Page 55: Wake On Modem
Help increase productivity, these updates can be done after normal working hours or on weekends when lan traffic is at a minimum. Wake on modem your computer might have an internal modem installed that is designed to use the wake on modem feature. This feature allows your computer to be turned on re...
Page 56: Notices
Appendix. Notices and trademarks notices references in this publication to ibm products, programs, or services do not imply that ibm intends to make these available in all countries in which ibm operates. Any reference to an ibm product, program, or service is not intended to state or imply that onl...
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Copyright international business machines corporation 1998. All rights reserved. Note to u.S. Government users — documentation related to restricted rights — use, duplication or disclosure is subject to restrictions set forth in gsa adp schedule contract with ibm corp. 49.
Page 58: Glossary
Glossary this glossary includes terms and definitions from the ibm dictionary of computing, new york: mcgraw-hill, copyright 1994 by international business machines corporation. Copies may be purchased from mcgraw-hill or in bookstores. A adapter . A printed circuit board that modifies the system un...
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C cable . The physical medium for transmitting signals; it includes copper conductors and optical fibers. Cache . A buffer storage that contains frequently accessed instructions and data; it is used to reduce access time. Cd . Compact disc. A disc, usually 4.75 inches in diameter, from which data is...
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Perform complex mathematical operations in parallel with other operations. Cycle . (1) an interval of space or time in which one set of events or phenomena is completed. (2) a complete vibration, electric oscillation, or alternation of current. D daisy chain . A method of device interconnection for ...
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Dram . Dynamic random-access memory. Dual inline memory module . A small circuit board with memory-integrated circuits containing signal and power pins on both sides of the board. Dual processing . A process in which a personal computer uses the resources of two microprocessors, instead of one, to s...
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Instruction set . The set of instructions of a computer, of a programming language, or of the programming languages in a programming system. Interrupt . An instruction that directs the microprocessor to suspend what it is doing and run a specified routine. When the routine is complete, the microproc...
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Microprocessor . An integrated circuit that contains the central processing unit (cpu) of a computer. See processor and central processing unit. Midi . Musical instrument digital interface millimeter (mm) . One thousandth of a meter. Millisecond (ms) . One thousandth of a second. Milliwatt (mw) . On...
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Picture element (pel) . In computer graphics, the smallest element of a monitor surface that can be independently assigned color and intensity. Pin . One of the conducting contacts of an electrical connector. Pipeline . A serial arrangement of processors or a serial arrangement of registers within a...
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Resource . Any of the computer-system elements needed to perform required operations, including storage, input/output devices, processors, data, and programs. Riser card . A circuit card that connects to the system board and provides expansion slots for adding adapters. Routine . A program, or part ...
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U uart (universal asynchronous receiver/transmitter) . An electrical circuit that converts analog data to digital data and digital data to analog data; it is used in communications devices. Universal serial bus (usb) . A serial interface standard for telephony and multimedia connections to personal ...
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Ibm part number: xxxxxxx printed in u.S.A. Xxxxxxx.