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Acer V55 System User Manual

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V55 System
User's Guide


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Summary of Contents for Acer V55 System

  • Page 1 V55 System User’s Guide...
  • Page 2 Copyright Copyright ã 1997 by this company. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of this company.
  • Page 3 Other brand and product names are trademarks and/or registered trademarks of their respective holders.
  • Page 4 IMPORTANT SAFETY INSTRUCTIONS Read these instructions carefully. Save these instructions for future reference. Follow all warnings and instructions marked on the product. Unplug this product from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning.
  • Page 5 Do not allow anything to rest on the power cord. Do not locate this product where persons will walk on the cord. 10. If an extension cord is used with this product, make sure that the total ampere rating of the equipment plugged into the extension cord does not exceed the extension cord ampere rating.
  • Page 6 14. Replace battery with the same type as the product's battery we recommend. Use of another battery may present a risk of fire or explosion. Refer battery replacement to a qualified serviceman. 15. Warning! Battery may explode if not handled properly. Do not recharge, disassemble or dispose of in fire.
  • Page 7 FCC Class B Radio Frequency Interference Statement Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
  • Page 8 About this Manual Purpose This user’s guide aims to give you all the necessary information to enable you to operate the system properly. Manual Structure This user’s guide consists of two chapters. Chapter 1 System Board This chapter describes the system board and all its major components.
  • Page 9 Conventions The following are the conventions used in this manual: Represents text input by the user. Text entered by user Denotes actual messages that Screen messages appear on the screen. , etc. Represent the actual keys that you have to press on the keyboard. NOTE Gives bits and pieces of additional information related to the current...
  • Page 10 through little shortcuts.
  • Page 11: Table Of Contents

    Table of Contents Chapter 1 System Board Major Features............1-2 Layout................1-3 Jumpers and Connectors...........1-4 1.3.1 Jumper and Connector Locations....1-4 1.3.2 Jumper Settings..........1-5 1.3.3 Connector Functions........1-8 ESD Precautions............1-9 Memory Upgrade.............1-10 1.5.1 Memory Configurations......1-10 1.5.2 Installing a SIMM........1-12 1.5.3 Removing a SIMM........1-13 1.5.4 Reconfiguring the System......1-14 IDE Hard Disk Support..........1-14 CPU Installation............1-15...
  • Page 12 2.2.1 Date and Time..........2-4 2.2.2 Diskette Drives..........2-5 2.2.3 IDE Drives...........2-6 2.2.4 Total Memory..........2-7 2.2.5 Enhanced IDE Features......2-8 2.2.6 Large Memory Support Mode......2-9 2.2.7 Num Lock After Boot........2-9 2.2.8 Memory Test..........2-9 2.2.9 Quiet Boot...........2-9 2.2.10 Configuration Table........2-10 Advanced System Configuration......2-11 2.3.1 Internal Cache (CPU Cache).....2-12 2.3.2 External Cache..........2-12...
  • Page 13 2.6.3 VGA Palette Snoop........2-25 2.6.4 Plug & Play OS.........2-26 2.6.5 Reset Resources Assignment....2-26 Load Setup Default Settings........2-27 Leaving Setup............2-27 xiii...
  • Page 14 List of Figures System Board Layout..........1-3 System Board Jumper and Connector Locations..1-4 S1 Multifunction Switch..........1-6 20-Pin Multifunction Connector (CN16).....1-9 Installing a SIMM............1-12 Removing a SIMM............1-13 Installing a Pentium CPU..........1-15 Installing a Cache Module........1-16 List of Tables Jumper Settings............1-5 S1 Settings for CPU Selection........1-7 Connector Functions..........1-8 Memory Configurations (64-bit)........1-10 Memory Configurations (32-bit).......1-11...
  • Page 15: Chapter 1 System Board

    C h a p t e r System Board The V55 is a high-performance system board with a 64-bit architecture. supports the P54C, P55C, Cyrix M1 (P120+, P150+, P166+ - single and dual voltage), AMD K5 (PR166), and AMD K6 (PR200) CPUs. The system board utilizes the Peripheral Component Interconnect (PCI) local bus architecture that maximizes the system performance by enabling high-speed...
  • Page 16: Major Features

    Major Features The system board has the following major features: · A zero-insertion force (ZIF) socket for P54C, P55C, Cyrix M1 (P120+, P150+, P166+ - single and dual voltage), AMD K5 (PR166), and AMD K6 (PR200) CPUs · Two DRAM banks composed of four 72-pin SIMM sockets that support 4/8/16/32-MB 60/70 ns SIMMs (use of 60 ns DRAMs recommended;...
  • Page 17: Layout

    Layout Figure 1-1 shows the locations of the system board major components. SIMM sockets PS/2 keyboard port CPU voltage regulator PS/2 mouse port CPU socket PCI expansion slots CPU voltage regulator Battery Cache module socket ISA expansion slots Pipeline burst second-level cache BIOS Figure 1-1 System Board Layout...
  • Page 18: Jumpers And Connectors

    Jumpers and Connectors 1.3.1 Jumper and Connector Locations Figure 1-2 shows the jumper and connector locations on the system board. Figure 1-2 System Board Jumper and Connector Locations The blackened pin of a jumper or connector represents pin 1. User’s Guide...
  • Page 19: Jumper Settings

    1.3.2 Jumper Settings Table 1-1 lists the system board jumpers with their corresponding settings and functions. Table 1-1 Jumper Settings Jumper Setting Function ROM Type EPROM Flash ROM ROM Brand 2-3* 29EE010 28F001 CPU Core Voltage 3.2V 2-3* 2.8V CPU I/O Voltage 3.5V 2-3* 3.3V...
  • Page 20: S1 Multifunction Switch

    Clearing CMOS In case you forget your password, short JP11 to clear the CMOS. There is no physical jumper on the location of JP11. Instead, you will find two solder pads representing JP11. Follow these steps to short JP11: Remove the system battery from its socket. Use a wire to short the two solder pads for about 10 seconds.
  • Page 21: S1 Settings For Cpu Selection

    Table 1-2 S1 Settings for CPU Selection CPU Freq. Host Bus Switch Settings Clock (MHz) Freq. (MHz) Ratio Intel P54C/P55C, AMD K5 Reserved Cyrix M1/IBM 6x86 P166+ P150+ P120+ Note that the 233 MHz CPU frequency applies to the Intel Pentium CPU only.
  • Page 22: Connector Functions

    1.3.3 Connector Functions Table 1-3 lists the different connectors on the system board and their respective functions. Table 1-3 Connector Functions Connector Function Standby power connector Serial port 2 connector Serial port 1 connector Parallel port connector Diskette drive connector IDE 2 connector Power connector IDE 1 connector...
  • Page 23: Esd Precautions

    The multifunction connector CN16 accommodates the front panel connectors for speaker, LEDs, keylock, and reset. Figure 1-4 shows the CN16 pin assignments for each of the front panel connectors. Figure 1-4 20-Pin Multifunction Connector (CN16) ESD Precautions Always observe the following electrostatic discharge (ESD) precautions before installing a system component: Do not remove a component from its antistatic packaging until you are ready to install it.
  • Page 24: Memory Upgrade

    Memory Upgrade The system board comes with four 72-pin SIMM sockets that support 4-MB and 16-MB single-density SIMMs and 8-MB and 32-MB double-density SIMMs. Tables 1-4 and 1-5 list the possible memory configurations. 1.5.1 Memory Configurations Table 1-4 Memory Configurations (64-bit) Bank 0 Bank 1 Total...
  • Page 25 The system also supports 32-bit memory configurations. This feature allows installation of only one SIMM in a bank or in one configuration. It also allows random installation of SIMMs in any of the sockets. Table 1-5 lists the 32-bit memory configurations. Table 1-5 Memory Configurations (32-bit) Bank 0...
  • Page 26: Installing A Simm

    1.5.2 Installing a SIMM Follow these steps to install a SIMM: Carefully slip a SIMM at a 45° angle into a socket making sure that the curved edge indicating the pin 1 of the SIMM matches pin 1 of the socket.
  • Page 27: Removing A Simm

    1.5.3 Removing a SIMM Follow these steps to remove a SIMM: Press the holding clips on both sides of the SIMM outward to release it. Move the SIMM to a 45° angle. Pull the SIMM out of the socket. Holding Clip Figure 1-6 Removing a SIMM Always remove SIMMs from the socket labeled...
  • Page 28: Reconfiguring The System

    1.5.4 Reconfiguring the System You must enter Setup after installing or removing SIMMs to reconfigure the system. Follow these steps to reconfigure the system: Turn the system on. A memory error message appears, indicating that the total memory does not match the value stored in CMOS. Press to enter Setup.
  • Page 29: Cpu Installation

    CPU Installation The system board comes with a zero-insertion force (ZIF) CPU socket for easy installation. Follow these steps to install a Pentium CPU: Set JP6 to the correct CPU core voltage, JP7 to the CPU I/O voltage, and S1 for the CPU frequency. Refer to Tables 1-1 and 1-2 for the appropriate settings and to your CPU documentation for more information.
  • Page 30: Second-Level Cache Configuration

    Second-level Cache Configuration The system board has an onboard 256-KB or 512-KB synchronous second- level cache. The 160-pin cache module slot that comes with the board supports a pipeline burst SRAM module. If the board comes with a 256-KB cache, you can upgrade it to 512 KB by installing a UMC UM61 3232AF-7 256K cache module.
  • Page 31: Installing Isa Cards

    Installing ISA Cards Both PnP and non-PnP ISA cards require specific IRQs. When installing ISA cards, make sure that the IRQs required by these cards are not previously assigned to PCI devices to avoid resource conflicts. Follow these steps when installing ISA cards: Remove all PnP cards installed in the system, if any.
  • Page 32: Error Messages

    1.10 Error Messages Do not continue using the computer if you receive an error message of any type. Note the message and take corrective action. This section explains the different types of error messages and corresponding corrective measures. There are two general types of error messages: ·...
  • Page 33 Table 1-7 System Error Messages Message Action CMOS Battery Error Replace the battery chip or contact your dealer. CMOS Checksum Error Load the BIOS default settings or contact your dealer. Diskette Drive Controller Error Check the diskette drive cables if or Not Installed properly connected.
  • Page 34 Table 1-7 System Error Messages (continued) Message Action Memory Error at: Check SIMMs on the system MMMM:SSSS:OOO board. Contact your dealer. (W:XXXX, R:YYYY) where: M: MB, S: Segment, O: Offset, X/Y: write/read pattern CPU Clock Mismatch Run Setup. Check if the CPU clock is correct.
  • Page 35: Correcting Error Conditions

    1.10.3 Correcting Error Conditions As a general rule, if an error message says "Press F1 to continue," it is caused by a configuration problem, which can be easily corrected. An equipment malfunction is more likely to cause a fatal error, i.e., an error that causes complete system failure.
  • Page 36 C h a p t e r BIOS Utility Most systems are already configured by the manufacturer or the dealer. There is no need to run Setup when starting the computer unless you get a Run Setup message. The Setup program loads configuration values into the battery-backed nonvolatile memory called CMOS RAM.
  • Page 37: Entering Setup

    Entering Setup To enter Setup, press the key combination You must press while the system is booting. This key combination does not work during any other time. The BIOS Utility main menu then appears: BIOS Utility Basic System Configuration Advanced System Configuration Power Saving Configuration System Security PnP/PCI System Configuration...
  • Page 38 Basic System Configuration Select Basic System Configuration to input configuration values such as date, time, and disk types. The following screen shows the Basic System Configuration menu. Basic System Configuration Page 1/2 Date ......[MM/DD/YY] Time ......[HH:MM:SS] Diskette Drive A ..[xx-MB xx-inch] Diskette Drive B ..[xx-MB xx-inch]...
  • Page 39: Date And Time

    The following screen shows page 2 of the Basic System Configuration menu. Basic System Configuration Page 2/2 Enhanced IDE Features Hard Disk Block Mode ...[Enabled ] Advanced PIO Mode ....[Enabled ] Hard Disk Size > 504MB ..[Enabled ] Hard Disk 32-Bit Access ..[Enabled ] Large Memory Support Mode..[Normal Num Lock After Boot ....[Enabled ] Memory Test .......[Disabled]...
  • Page 40: Diskette Drives

    Valid values for month, day, and year are: · Month · · Year Time Highlight the items on the time parameter and press to set the time following the hour-minute-second format. Valid values for hour, minute, and second are: · Hour ·...
  • Page 41: Ide Drives

    2.2.3 IDE Drives Move the highlight bar to the IDE Drive 0 parameter to configure the first IDE drive (drive C). Press to display the IDE drive types with their respective values. Select the type that corresponds to your IDE hard disk drive. Follow the same procedure for the other IDE drives, if any.
  • Page 42: Total Memory

    Selecting the “User” Option There are cases when you cannot use the option Auto , instead you have to select User . Choose the User option when you have installed an IDE hard disk that was previously formatted but does not use the disk native parameters or structure, that is, the disk type may be in the IDE hard disk types list but the number of cylinders, heads, and sectors differ.
  • Page 43: Enhanced Ide Features

    2.2.5 Enhanced IDE Features Hard Disk Block Mode This function enhances disk performance depending on the hard disk in use. If you set this parameter to Enabled , it allows data transfer in block (multiple sectors). If your system does not boot after enabling Disabled this parameter, change the setting to .
  • Page 44: Large Memory Support Mode

    Hard Disk 32-Bit Access Enabling this parameter improves system performance by allowing the use of the 32-bit hard disk access. This enhanced IDE feature works only under DOS, Windows 3.x and Novell NetWare. If your software or hard disk does not support this function, set this parameter to Disabled 2.2.6 Large Memory Support Mode...
  • Page 45: Configuration Table

    Enabled Even if your setting is , you may also switch to the text mode while booting by pressing after you hear a beep that indicates the activation of the keyboard. When set to Disabled , BIOS is in the conventional text mode where you see the system initialization details on the screen.
  • Page 46: Advanced System Configuration

    Advanced System Configuration The Advanced System Configuration option allows you to configure the advanced system memory functions. Do not change any settings in the Advanced Configuration if you are not a qualified technician to avoid damaging system. The following screen shows page one of the Advanced System Configuration parameters.
  • Page 47: Internal Cache (Cpu Cache)

    2.3.1 Internal Cache (CPU Cache) This parameter enables or disables the internal cache memory. 2.3.2 External Cache This parameter enables or disables the external cache memory. Cache Scheme Write-back Write- This parameter fixes the cache setting to mode. back updates the cache but not the memory when there is a write instruction.
  • Page 48: Power Saving Configuration

    Power Saving Configuration The Power Saving Configuration parameters are configurable only if your system supports the power management feature. The following screens show the Power Saving Configuration parameters and their default settings: Power Saving Configuration Page 1/1 Power Management Mode ....[Enabled ] *Monitor Power Saving Timer ..[15] Minute(s) *IDE Hard Disk Standby Timer ..
  • Page 49: Power Management Mode

    2.4.1 Power Management Mode This parameter allows you to reduce power consumption. When this parameter is set to Enabled , you can configure the monitor, IDE hard disk, and system timers. Setting to Disabled deactivates the power management feature and all the timers. Monitor Power Saving Timer This parameter sets the VESA DPMS-compatible display monitor to standby mode.
  • Page 50: Monitored Activities

    2.4.2 Monitored Activities The IRQ items under this parameter allow you to monitor system activities occurring through the IRQ channels. The enabled parameters indicate specific system activities that wake up the system from power saving mode. For example, if you assign IRQ 3 to a fax/modem and you set this item Enabled , any fax/modem activity wakes up the system.
  • Page 51: System Security Setup

    System Security Setup The Setup program has a number of security features to prevent unauthorized access to the system and its data. Enter the Setup program and select System Security. The following screen appears: System Security Page 1/1 Disk Drive Control Diskette Drive....[ Normal Hard Disk Drive....[...
  • Page 52: Drive Control Settings

    Table 2-1 Drive Control Settings Setting Description Diskette Drive Normal Diskette drive functions normally Write Protect All Sectors Disables the write function on all sectors Write Protect Boot Sector Disables the write function only on the boot sector Disabled Disables all diskette functions Hard Disk Drive Normal Hard disk drive functions normally...
  • Page 53: Onboard Communication Ports

    2.5.2 Onboard Communication Ports Serial Port 1 Base Address This parameter allows you to set the serial port 1 logical base address. Table 2-2 Serial Port 1 Settings Setting Description 3F8h Serial port 1 with address 3F8h using IRQ4 2F8h Serial port 1 with address 2F8h using IRQ3 3E8h Serial port 1 with address 3E8h using IRQ4...
  • Page 54: Parallel Port Settings

    Parallel Port Base Address The system has one parallel port. Table 2-4 lists the options for selecting the parallel port address. You also have the option to disable the parallel port. Table 2-4 Parallel Port Settings Setting Function 3BCh (IRQ 7) Corresponds to the parallel port with address 3BCh 378h (IRQ 7)
  • Page 55: Onboard Ps/2 Mouse (Irq 12)

    OPERATION MODE This item allows you to set the operation mode of the parallel port. Table 2-5 lists the different operation modes. Table 2-5 Parallel Port Operation Mode Settings Setting Function Standard Parallel Port (SPP) Allows normal speed one-way operation Standard and Bidirectional Allows normal speed operation in a two-way mode...
  • Page 56: Setup Password

    2.5.4 Setup Password The Setup Password prevents unauthorized access to the BIOS utility. Setting a Setup Password Enter BIOS utility and select System Security. Highlight the Setup Password parameter and press the key. The password prompt appears: Type a password. The password may consist of up to seven characters.
  • Page 57 Select Yes to save the changes and reboot the system. The next time you want to enter the BIOS utility, you must key-in your Setup password. Write your password down and keep it in a safe place. Changing or Removing the Setup Password Should you want to change your setup password, do the following: Enter the BIOS utility and select System Security.
  • Page 58: Power On Password

    If You Forget the Password If you forget your password, clear the CMOS settings. To clear the CMOS settings, take the battery out for two hours. Put the battery back after this time to load the CMOS default settings. Call your dealer or a qualified technician if you are not confident to perform the above procedure.
  • Page 59: Pnp/Pci System Configuration

    PnP/PCI System Configuration The PnP/PCI System Configuration allows you to specify the settings for your PCI devices. PnP/PCI System Configuration Page 1/1 PCI IRQ Setting ....[ Auto INTA INTB INTC INTD *PCI Slot 1.... [--] [--] [--] [--] *PCI Slot 2.... [--] [--] [--]...
  • Page 60: Pci Irq Sharing

    PCI Slots These parameters allow you to specify the appropriate interrupt for each of the PCI devices. You can assign IRQ5, IRQ9, IRQ10, IRQ11, or IRQ15 to the slots. Press to move between fields. Press to select options. 2.6.2 PCI IRQ Sharing When set to , this parameter allows you to assign the same IRQ to more than one PCI device installed in the system.
  • Page 61: Plug & Play Os

    2.6.4 Plug & Play OS When this parameter is set to , BIOS initializes only PnP boot devices such as SCSI cards. When set to No, BIOS initializes all PnP boot and non-boot devices such as sound cards. Set this parameter to only if your operating system is Windows 95.
  • Page 62: Load Setup Default Settings

    Load Setup Default Settings Use this option to load the default settings for the optimized system configuration. When you load the default settings, some of the parameters are grayed-out with their fixed settings. These grayed parameters are not user-configurable. The following dialog box appears when you select Load Setup Default Settings from the main menu.
  • Page 63 Use the arrow keys to select your response. Select to store the new data in CMOS. Select to retain the old configuration values. Press 2-28 User’s Guide...

This manual is also suitable for:

V55-1Entra 300Entra 500

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