Acer Altos 500 Altos 500 Service Guide
Acer Altos 500 Manual
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- Acer Altos 500 | Altos 500 Service Guide - Page 1
Acer Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 2
Acer Incorporated. 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 servicing, - Acer Altos 500 | Altos 500 Service Guide - Page 3
SAFETY INSTRUCTIONS 1. Read these instructions carefully. Save these instructions for future reference. 2. Follow all warnings and instructions marked a third (grounding) pin. This plug will only fit into a grounding-type power outlet. This is a safety feature. If you are unable to insert the plug - Acer Altos 500 | Altos 500 Service Guide - Page 4
servicing to qualified service personnel under the following conditions: a. When the power cord or plug is damaged or frayed b. If liquid has been spilled into the product c. If the product has been exposed to rain or water d. If the product does not operate normally when the operating instructions - Acer Altos 500 | Altos 500 Service Guide - Page 5
or dispose of in fire. Keep away from children and dispose of used battery promptly. 16. Use only the proper type of power supply cord set (provided in your keyboard/manual accessories box) for this unit. It should be a detachable type: UL listed/CSA certified, type SJT, rated 6A 125V minimum, VDE - Acer Altos 500 | Altos 500 Service Guide - Page 6
a Class A digital device, pursuant to Part 15 of FCC Rules. These limits are and used in accordance with the instruction manual, may cause harmful interference to radio manual for such product shall also contain the following statement or its equivalent: Shielded interface cables and/or AC power - Acer Altos 500 | Altos 500 Service Guide - Page 7
necessary information to enable you to operate the Altos 500 system. Manual Structure This system guide consists of four chapters. Chapter 1 System Housing the system's unique features and powerful architecture. Chapter 3 BIOS Utility This chapter explains the BIOS parameter functions. It tells how - Acer Altos 500 | Altos 500 Service Guide - Page 8
Conventions The following are the conventions used in this manual: Text entered by user Represents text input by the user. Option Items , , , etc. Represents options that related to the current topic. CAUTION Gives precautionary measures to avoid possible hardware or software problems. viii - Acer Altos 500 | Altos 500 Service Guide - Page 9
-inch Drives 1-8 Hot-Swap Cage 1-9 Hard Disk Drive Tray 1-13 Installing a System Board 1-14 Installing an Expansion Board 1-15 Installing a CPU or Memory Board 1-16 LVD SCSI Backplane Board 1-17 Jumpers and Connectors 1-18 Chapter 2 System Board Major Components 2-2 System Board Layout with - Acer Altos 500 | Altos 500 Service Guide - Page 10
Removing a Pentium II Processor 2-14 Memory Upgrade 2-15 Memory Configurations 2-15 Installing a DIMM 2-16 Removing a DIMM 2-16 Reconfiguring the System 2-17 Installing Expansion Cards 2-17 Installing PCI Cards 2-17 Installing ISA Cards 2-18 Installing an AGP Card 2-19 Error Messages 2-20 - Acer Altos 500 | Altos 500 Service Guide - Page 11
Chapter 3 BIOS Utility Entering Setup 3-2 System Information 3-4 Processor 3-5 Processor Speed 3-5 Internal Cache Size 3-5 Channel Slave 3-6 IDE Secondary Channel Master 3-6 IDE Secondary Channel Slave 3-6 Total Memory 3-6 Serial Port 1 3-7 Serial Port 2 3-7 Parallel Port 3-7 PS/2 Mouse - Acer Altos 500 | Altos 500 Service Guide - Page 12
Onboard Device Settings 3-18 Power Management 3-20 Power Management Mode 3-20 Power Switch < 4 sec Memory Test 3-24 Configuration Table 3-24 Boot from LANDesk Service Agent 3-24 Date and Time 3-25 Date 3-25 Time 3-26 Advanced Options 3-27 Memory/Cache Options 3-27 PnP/PCI Options 3-29 CPU - Acer Altos 500 | Altos 500 Service Guide - Page 13
System Security 3-34 Setup Password 3-34 Power-on Password 3-37 Disk Drive Control 3-38 Load Default Settings 3-40 Abort Settings Change 3-40 Exit Setup 3-41 Chapter 4 SCSI/VGA Combo Card Card Layout 4-1 Jumper Settings 4-2 Connector Functions 4-2 Card Installation 4-2 xiii - Acer Altos 500 | Altos 500 Service Guide - Page 14
- Acer Altos 500 | Altos 500 Service Guide - Page 15
Chapter 1 System Housing This chapter describes the features of the IDM housing and tells you how to install the basic system components such as disk drives, a system board, or expansion boards. Descriptive illustrations accompany the installation procedures. If you receive a complete system, the - Acer Altos 500 | Altos 500 Service Guide - Page 16
Features Front Panel Keylock Panel Door 1-2 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 17
Rear Panel COM port slots System Board connectors Expansion Port Slots Power Supply Power Socket SCSI Expansion Slots Housing Fan Expansion Slots System Housing 1-3 - Acer Altos 500 | Altos 500 Service Guide - Page 18
structure and some of the basic system components. Power Supply Housing Fan Expansion Card Slots Backplane Board Hot-Swap Cage (SCSI) 5.25-inch Drive Bays 3.5-inch Drive Bay Power Switch Power LED Hard Disk Drive LED System Status LED Removable Hard Disk Drive Trays 1-4 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 19
Opening the Housing Panels Front Panel Keylock Unlock the housing with the key and then pull the panel to access the drive trays. System Housing 1-5 - Acer Altos 500 | Altos 500 Service Guide - Page 20
Left Panel To remove the left panel: 1. Use a screw driver to remove the two screws securing it to the rear panel. 2. Pull the panel handle to slide the left panel open. screws Left panel Left Panel Handle 1-6 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 21
Installing Disk Drives and Hot-Swap Cage Turn off the power switch and unplug the power cord before installing or removing diskette drives. 3.5-inch Drive 1. Open the front panel and remove the left panel of the housing. See the Opening the - Acer Altos 500 | Altos 500 Service Guide - Page 22
the Opening the Housing Panels section for more information. 2. Remove the screws attaching the 5.25-inch drive frame (2 pieces) to the housing. 3. Attach the drive guides on the sides of a 5.25-inch drive with two screws on each side. 1-8 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 23
4. Insert the drive into the drive bay and secure it with two screws. 5. Connect the signal and power cables to the drive. Hot-Swap Cage The hot-swap cage box includes the following components: • One hot-swap cage (with back plane board attached) • - Acer Altos 500 | Altos 500 Service Guide - Page 24
2. Attach the drive guides on the sides of the hot-swap cage with two screws on each side. 3. Insert the hot-swap cage into the housing and secure the hot-swap cage with two screws. 1-10 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 25
, please refer to the system board manual. Single Hot-swap Cage Configuration Power connector System board connector cable SCSI Terminator CN3: Connect to system board's HDD Fault LED There are two kinds of HDD Fault LED cable supplied - Acer Altos 500 | Altos 500 Service Guide - Page 26
-swap cage HDD Fault LED connector CN1: To system board connector 1st hot-swap SCSI Connector cable Power connector CN3: Connect to system board's HDD Fault LED connector CN1 2nd hot-swap SCSI Terminator The hot-swap Red Strip Connect this side to the system board 1-12 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 27
the drive tray as shown below and then pull it out. 2. Place a hard disk on the tray. Secure it with four screws and four metal support braces as shown below. System Housing 1-13 - Acer Altos 500 | Altos 500 Service Guide - Page 28
Align the system board holes to the pegs with the external ports facing the rear of the housing. Secure the board with eight screws. 1-14 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 29
Installing an Expansion Board 1. Remove an expansion slot bracket cover. Save the screw to secure the expansion board. 2. Align an expansion board with the open slot and insert the golden fingers into the expansion bus connector. 3. Secure the board with the screw. System Housing 1-15 - Acer Altos 500 | Altos 500 Service Guide - Page 30
board does not include them. 1. Remove a bracket opposite the CPU or memory board slot. 2. Insert the board into the slot. Make sure that the board is properly seated in the slot. 3. Secure the board with a screw. 4. Align the plastic support bar with the board edge. 1-16 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 31
SCSI Backplane Board The LVD SCSI hot-swap cage includes a hot plug SCA single-ended backplane, LED board, and the hard drive cage itself. It supports three 1-inch SCA-II SCSI hard drives in one channel with active terminator built-in. The SCA II connector design allows for the addition and - Acer Altos 500 | Altos 500 Service Guide - Page 32
from Host Connector CN1 CN2 CN3 CN5 CN7 CN8 CN9 JP5 S1 S2 S3 Description SCSI 68-pin P connector - In Front power LED connector I2C Buffer connector Slot 1 Slot 2 SCSI 68-pin connector - Out Slot 3 Power connector Slot 1 ID switch Slot 2 ID switch Slot 3 ID switch 1-18 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 33
system board supports the Intel Pentium II CPU running at 233 up to 350 and 400 MHz. Integrated with the Intel 440BX system controller, which consists of the PCI/AGP controller and the PCI/ISA IDE accelerator (PIIX4), the M11E combines the new generation of Pentium II power with unmatched - Acer Altos 500 | Altos 500 Service Guide - Page 34
Enhanced IDE hard disk and diskette drive interface • PS2 power connector • System controller chipset • External ports: • USB connector • RJ-45 jack (manufacturing option) • Parallel port • PS/2-compatible keyboard port • PS/2-compatible mouse port • Serial port 1 and 2 2-2 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 35
13 12 11 10 1 PS/2 mouse port 2 PS/2 keyboard port 3 USB connectors 4 Serial port 2 5 Parallel port 6 Serial port 1 7 RJ-45 connector 8 Intel 82C558 Ethernet controller 9 BIOS 10 ISA slots 11 PCI slots 12 AGP slot 13 Battery 14 Intel 82371EB 15 IDE1 connector 16 IDE2 connector 17 FDD connector 18 - Acer Altos 500 | Altos 500 Service Guide - Page 36
4 Serial port 2 5 Parallel port 6 Serial port 1 7 BIOS 8 ISA slots 9 PCI slots 10 AGP slot 12 11 10 9 8 11 Battery 12 Intel 82371EB 13 IDE1 connector 14 IDE2 connector 15 FDD connector 16 Intel 440BX 17 DIMM sockets 18 Voltage regulators 19 CPU slot 20 Power connector 2-4 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 37
Jumpers and Connectors Jumper and Connector Locations with a Network Connector The blackened pin of a jumper or connector represents pin 1. BIOS Utility 2-5 - Acer Altos 500 | Altos 500 Service Guide - Page 38
Jumper and Connector Locations without a Network Connector The blackened pin of a jumper or connector represents pin 1. 2-6 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 39
JP3 BIOS JP4 Setting Function 1-2 Check password 2-3* Bypass password 1-2* Acer 2-3 OEM Connector Functions Connector CN1 CN2 CN3 CN4 CN5 CN6 CN7 CN8 CN9 CN10 CN11 CN12 CN13 CN15 CN16 Function Suspend 5V CPU thermal sensor connector CPU fan connector LAN Jack (RJ45) (optional) Power - Acer Altos 500 | Altos 500 Service Guide - Page 40
Modem Ring-In wake up connector Turbo LED connector Power LED connector System reset connector Housing intrusion switch service technician for assistance. * Reserved items are items that are supported by the system board but not available in the current version. 2-8 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 41
of holes are smaller and should match the narrow ends of the fan sink clips. Wide Clip Ends Metal Retention bracket Wide Holes Narrow Holes BIOS Utility 2-9 - Acer Altos 500 | Altos 500 Service Guide - Page 42
the wide end of a clip first. Then without lifting the screwdriver, point it downward to press and lock the narrow end of the clip. 2-10 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 43
3b. Using your fingers, push down the metal bracket until it clicks into the CPU cartridge and then push the metal bracket's handle to lock the metal bracket into place. BIOS Utility 2-11 - Acer Altos 500 | Altos 500 Service Guide - Page 44
over the processor socket on the CPU board. Secure it with the plastic pegs that came with the package as shown below. 2. With the processor module golden fingers pointing downward, align the processor to the posts of the retention mechanism then lower it down. 2-12 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 45
the processor module until the golden fingers completely fit into the socket. 4. Press the latches on the sides to lock the processor module into place. BIOS Utility 2-13 - Acer Altos 500 | Altos 500 Service Guide - Page 46
Removing a Pentium II Processor Follow these steps to remove the Pentium II CPU module from the slot. 1. Unlock the latches that secure the processor module. 2. Firmly hold the processor module and pull it out of the socket. 2-14 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 47
384-MB system memory. The SDRAM DIMMs should work under 3.3 volts; 5-volt memory devices are not supported. Memory modules with a install DIMMs with different capacities to form a configuration. Memory Configurations Bank 0 16 MB 16 MB 16 MB MB 64 MB 128 MB Total Memory 16 MB 32 MB 48 MB 32 MB - Acer Altos 500 | Altos 500 Service Guide - Page 48
DIMM. Place your forefingers on the top of the DIMM before you press the holding clips to gently disengage the DIMM from the socket. 2-16 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 49
CMOS. 2. Press + +. 3. Press twice to exit Setup and reboot the system. The system boots with the new memory configuration. Installing Expansion Cards Installing PCI Cards To install PCI cards: 1. Locate the PCI slots on the system board. 2. Remove the bracket on the housing opposite an empty - Acer Altos 500 | Altos 500 Service Guide - Page 50
Remove all PnP cards installed in the system, if any. 2. Install non-PnP ISA cards. 3. Turn on the system. 4. Use Windows 95 or ICU to manually assign the appropriate IRQs to the cards. This ensures that BIOS will not use the resources assigned to the non-PnP ISA cards. 2-18 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 51
and install the PnP ISA and PCI cards. 7. Turn on the system. This time PnP BIOS automatically configures the PnP ISA and PCI cards with the available resources. Installing an AGP Card When installing an AGP card, make sure that the IRQ required by this card is not already assigned to a PCI or - Acer Altos 500 | Altos 500 Service Guide - Page 52
AGP card into the slot. Make sure that the card is properly seated. When you turn on the system, BIOS automatically detects and assigns resources to the AGP device. BIOS detects and configures only PnP cards. . There are two general types of error messages: • Software 2-20 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 53
system manual for help. System Error Messages A system error message indicates a problem with the computer itself. A message of this type normally appears during the power-on self-test, before the operating system prompt appears. Message CMOS Battery Error CMOS Checksum Error CPU BIOS Update - Acer Altos 500 | Altos 500 Service Guide - Page 54
R:YYYY) where: M: MB, S: Segment, O: Offset, X/Y: write/read pattern Memory Size Mismatch CPU Clock Mismatch Onboard Serial Port 1 Conflict Onboard Serial Port 2 Conflict Onboard Parallel Port Conflict pointing device. Replace the pointing device or contact your dealer. 2-22 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 55
says "Press F1 to continue," it is caused by a configuration problem, which can be easily corrected. An equipment malfunction is more likely power-on error messages, especially for a new system. 2. Remove the system cover, following the directions in the housing installation manual BIOS Utility 2-23 - Acer Altos 500 | Altos 500 Service Guide - Page 56
If you are sure that your configuration values are correct and your battery is in good condition, the problem may lie in a damaged or defective chip. In either case, contact an authorized service center for assistance. 2-24 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 57
computer unless you get a Run Setup message. The Setup program loads configuration values into the battery-backed nonvolatile memory called CMOS RAM. This memory area is not part of the system RAM. If you repeatedly receive Run Setup messages, the battery may be bad. In this case, the system cannot - Acer Altos 500 | Altos 500 Service Guide - Page 58
Onboard Peripherals • Power Management • Boot Options • Date and Time • System Security • Load Default Settings • Abort Settings Change The system supports two BIOS Utility levels: Level, press . The screen shows the BIOS Utility Advanced Level main menu. Setup Utility 3-2 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 59
• System Information • Product Information • Disk Drives • Onboard Peripherals • Power Management • Boot Options • Date and Time • System Security • Advanced Options* • Load Default Settings • Abort Settings has more than one page available. Press to return to the Main menu. BIOS Utility 3-3 - Acer Altos 500 | Altos 500 Service Guide - Page 60
...........None IDE Secondary Channel Master ........None IDE Secondary Channel Slave ........None Total Memory xxx MB 1st Bank SDRAM, xxx MB 2nd Bank None 3rd Bank None The Parallel Port 378h, IRQ 7 PS/2 Mouse Installed The sections below explain the parameters. 3-4 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 61
Size This parameter specifies the first-level or the internal memory (i.e., the memory integrated into the CPU) size, and whether it is enabled or disabled. External Cache This parameter specifies the second-level cache memory size currently supported by the system. The available cache sizes are 256 - Acer Altos 500 | Altos 500 Service Guide - Page 62
channel. Total Memory This parameter specifies the total amount of onboard memory. The memory size is automatically detected by BIOS during the POST. If you install additional memory, the system DRAM installed. For the location of the DIMM sockets, refer to chapter 2. 3-6 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 63
the serial port 2 address and IRQ setting. Parallel Port This parameter shows the parallel port address and IRQ setting. PS/2 Mouse The BIOS utility automatically detects if there is a pointing device connected to your system. If there is, this parameter displays the Installed setting. Otherwise - Acer Altos 500 | Altos 500 Service Guide - Page 64
System BIOS Version v3.1 DMI BIOS Version 2.00.1 Product Name This parameter specifies the official name of the system. System S/N This parameter specifies the system's serial number. Main Board ID This parameter specifies the system board's identification number. 3-8 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 65
S/N This parameter specifies the system board's serial number. System BIOS Version This parameter specifies the version of the BIOS utility. DMI BIOS Version This parameter specifies the version of the DMI (Desktop Management Interface) BIOS version. DMI enables software to collect information about - Acer Altos 500 | Altos 500 Service Guide - Page 66
] • [1.44 MB, 3.5-inch] • [2.88 MB, 3.5-inch] Follow the same procedure to configure floppy drive B. Choose None if you do not have a second floppy drive. 3-10 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 67
specify the function of the device. The setting affects how BIOS will detect the device. Possible settings are: • Normal In this setting, BIOS does not support the LS-120 drive. The drive needs the LS-120 device driver to operate. • Drive A BIOS recognizes the LS-120 drive as drive A. If a standard - Acer Altos 500 | Altos 500 Service Guide - Page 68
'*' will only appear if you access the advanced configuration level in the Main Menu. Please refer to the Entering Setup section for more information. Type Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 69
want BIOS to automatically configure your hard disk, select Auto. If you know your hard disk type, you can enter the setting manually. Setting 504 MB When set to Auto, the BIOS utility automatically detects if the installed hard disk supports the function. If supported, it allows you to use a hard - Acer Altos 500 | Altos 500 Service Guide - Page 70
or hard disk does not support this function, set this BIOS Setup, both the Ultra DMA and Multi-DMA modes require the DMA driver to be loaded. By setting this parameter to Auto, BIOS automatically sets the appropriate DMA mode for your hard disk. CD-ROM Drive DMA Mode 3-14 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 71
Set this parameter to Enabled to enable the DMA mode for the CD- ROM drive. This improves the system performance since it allows direct memory access to the CD-ROM. To deactivate the function, set the parameter to Disabled . BIOS Utility 3-15 - Acer Altos 500 | Altos 500 Service Guide - Page 72
an interrupt for serial ports 1 and 2. The options for serial ports 1 are IRQ 4 and 11. The options for serial port 2 are IRQ 3 and 10. 3-16 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 73
onboard parallel port, a warning appears on the screen. Check the parallel port address of the add-on card and change the address to one that does not conflict. Operation Mode This item allows you to set Standard and Bidirectional Allows normal speed operation in a twoway mode BIOS Utility 3-17 - Acer Altos 500 | Altos 500 Service Guide - Page 74
Mode SMBus Interrupt(IRQ9 Disabled] Onboard Ethernet Chip Enabled ] Floppy Disk Controller This parameter lets you enable or disable the onboard floppy disk controller. 3-18 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 75
System Management Bus (SMBus) is used for controlling and getting information from devices on a motherboard. It was designed for hybrid devices based on analog semiconductor technologies and with limited digital allows you to enable or disable the onboard network feature. BIOS Utility 3-19 - Acer Altos 500 | Altos 500 Service Guide - Page 76
you can configure the IDE hard disk and system timers. Setting it to Disabled deactivates the power-management feature and its timers. IDE Hard Disk Standby Timer This parameter allows the hard disk this parameter to OFF if your hard disk does not support this function. 3-20 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 77
detected from the IRQ channels resumes system operation. Sleep Mode This parameter lets you specify the power-saving mode that the system will enter after a specified period of inactivity. The options are Standby up the system from suspend mode. The default setting is Enabled. BIOS Utility 3-21 - Acer Altos 500 | Altos 500 Service Guide - Page 78
Boot Auto] Silent Boot Enabled] Num Lock After Boot Enabled] Memory Test Enabled] *Configuration Table Enabled] Boot from LanDesk Service Agent ....... [Disabled] The above parameter marked with '*' will 1st and 2nd searches fail then it boots from this drive. 3-22 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 79
enables or disables the Silent Boot function. When set to Enabled, BIOS is in graphical mode and displays only an identification logo during POST key to enter setup" message on the screen. When set to Disabled, BIOS is in the conventional text mode where you see the system initialization details on - Acer Altos 500 | Altos 500 Service Guide - Page 80
of your desktop system. The LANDesk Service Agent is IEEE-standards-based code that intervenes in the boot process. Please refer to your LANDesk Manual for more information. When set to Disabled, the system boots from the drive specified in the Boot Sequence parameter. 3-24 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 81
approximately seven years) and connected, the clock continues to keep the date and time accurately even when the power is off. Boot Options Date Fri Jun 11,1998] Time HH:MM:SS] Date Highlight the items Wed, Thu, Fri, Sat • Month 1 to 12 • Day 1 to 31 • Year 1980 to 2079 BIOS Utility 3-25 - Acer Altos 500 | Altos 500 Service Guide - Page 82
Time Highlight the items on the Time parameter and press or to set the time following the hour-minute-second format. Valid values for hour, minute, and second are: • Hour 00 to 23 • Minute 00 to 59 • Second 00 to 59 3-26 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 83
to avoid damaging the system. The following screen shows the Advanced Options parameters: Advanced Options • Memory/Cache Options • PnP/PCI Options • CPU Frequency Memory/Cache Options The Memory/Cache Options allows you to configure the advanced system memory functions. BIOS Utility 3-27 - Acer Altos 500 | Altos 500 Service Guide - Page 84
memory only when there is an inconsistency between the cache and the memory. Memory at 15MB-16MB Reserved for To prevent memory address conflicts between the system and expansion boards, reserve this memory range for the use of either the system or an expansion board. 3-28 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 85
Memory Parity Mode This parameter allows you to enable or disable the ECC (Error Checking and Correction) feature. The ECC feature enables BIOS to detect and correct data errors. Disable this parameter if you want to disregard the function. PnP/PCI Options The PnP/PCI Options allows you - Acer Altos 500 | Altos 500 Service Guide - Page 86
parameter to Auto, these parameters specify the auto-assigned interrupt for each of the PCI devices. If you set the PCI IRQ Setting parameter to Manual, you need to specify the interrupt that you want to assign for each PCI device installed in your system. 3-30 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 87
you set the PCI IRQ Setting parameter to Manual, you need to specify the interrupt that you cards so that they can update their individual RAM DACs. The signal goes through the cards continuously until all RAM DAC data has been updated. This allows the display of multiple images on the screen. BIOS - Acer Altos 500 | Altos 500 Service Guide - Page 88
boots. After clearing the resource data, the parameter resets to No. CPU Frequency This parameter displays your CPU's speed and bus frequency. It also allows you to specify the voltage setting for your current CPU. Selecting this option displays the following screen: 3-32 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 89
CPU clock speed. Processor Speed The processor speed is the speed at which a microprocessor executes instructions. Clock speeds are expressed in megahertz (MHz), with 1 MHz being equal to 1 million cycles per second. The faster the clock, the more instructions the CPU can execute per second. BIOS - Acer Altos 500 | Altos 500 Service Guide - Page 90
the Main menu: System Security Setup Password None] Power-on Password None] Operation Mode Normal] Disk Drive (bypass password). See chapter 2 for the location of JP3. You cannot enter the BIOS utility if a Setup password does not exist and JP3 is set to 1-2 (password check Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 91
exit the Setup Utility. Your password will be saved to CMOS. For the password to take effect you must set jumper JP3 to 1-2 (Check password): BIOS Utility 3-35 - Acer Altos 500 | Altos 500 Service Guide - Page 92
. 3. Close your computer's housing and reboot your system. The next time you want to enter the BIOS utility, you must key in your Setup password. To remove your Setup Password: 1. Disable the Setup set JP3 to 2-3 (Bypass password): 1. Turn off and unplug the computer. 3-36 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 93
chapter 2 for the location of JP3. 3. Turn on the system and enter the BIOS utility. This time, the system does not require you to type in a password. None. Refer to the previous section for the procedure. Power-on Password The Power-on Password secures your system against unauthorized use. Once you - Acer Altos 500 | Altos 500 Service Guide - Page 94
on Password Enter your new Power-on Password twice. Power-on Password may be up to 7 characters long. Enter Password ] Enter Password again ] Set or Change the write function on all sectors Disables the write function only on the boot sector Description 3-38 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 95
Normal Write Protect All Sectors Write Protect Boot Sector Hard disk drive functions normally Disables the write function on all sectors Disables the write function only on the boot sector BIOS Utility 3-39 - Acer Altos 500 | Altos 500 Service Guide - Page 96
Select No to ignore the message and return to the BIOS utility. Abort Settings Change Use this option to disregard your changes to the BIOS and reload your previous settings. The following dialog box Select No to ignore the message and return to the BIOS utility. 3-40 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 97
, write them down. Store the recorded values in a safe place. In the future, if the battery loses power or the CMOS chip is damaged, you will know what values to enter when you rerun Setup. Press to leave CMOS. Select No to retain the old configuration values. Press to exit. BIOS Utility 3-41 - Acer Altos 500 | Altos 500 Service Guide - Page 98
- Acer Altos 500 | Altos 500 Service Guide - Page 99
Chapter 4 SCSI/VGA Combo Card The combo card includes external video (CN6) and 68-pin Wide SCSI interface (CN4). The SCSI controller chipset (AIC-7880P) is a completely integrated, single chip SCSI host adapter for motherboard applications. Ultra speed SCSI technology maximizes transfer speed of up - Acer Altos 500 | Altos 500 Service Guide - Page 100
Wide SCSI connector 50-pin Fast SCSI-II connector ATI Multimedia connector Ultra SCSI connector LED connector VGA connector Card Installation Follow these steps to install the SCSI/VGA combo card. 1. Remove a bracket cover opposite an empty PCI slot. * Default setting 4-2 Altos 500 System Guide - Acer Altos 500 | Altos 500 Service Guide - Page 101
over the PCI slot, then insert the card golden fingers into the slot until the card fits in place. 3. Secure the card with a screw. 4. Connect the LED cable to the system board's SCSI LED connector (please refer to the system board user's manual for the location of this connector) and then to the - Acer Altos 500 | Altos 500 Service Guide - Page 102
- Acer Altos 500 | Altos 500 Service Guide - Page 103
LCD Module Event Log List A-1