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Acer 700ed User Manual
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Acer 700ed User Manual

Acer 700ed User Manual

Acer altos 700ed server: user guide
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System Board

This high-performance system board supports both the 486-series
and the Intel Pentium
the CPU and the second-level cache. Instead, it accommodates a
separate board that carries both the CPU and the second-level cache.
This feature allows maximum upgradability and flexibility.
The board features the single-chip upgrade technology that makes
CPU upgrades easy and economical, and also the multiple-CPU
upgrade technology that can convert your machine into a
multiprocessor system. These innovative technologies protect your
investment well into the future.
Standard features such as two serial ports, one parallel port, a
diskette drive interface, and an embedded fixed disk drive interface
reside on the system board.
The system board has a 8/16-MB base memory and supports a
maximum memory of 128 MB using 32-MB SIMMs. When you install
the dual-Pentium (3.3V) CPU board, you get four additional SIMM
sockets for a total system memory of 256 MB using 32-MB SIMMs.
When you install the Pentium (3.3V-ECC) CPU board, you get two
additional SIMM sockets that support a maximum memory of 64 MB
using 32-MB SIMMs, for a total system memory of 192 MB.
System Board
microprocessors. The board does not include
      
      
      
      
1-1

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Summary of Contents for Acer 700ed

  • Page 1: System Board

    System Board This high-performance system board supports both the 486-series and the Intel Pentium microprocessors. The board does not include the CPU and the second-level cache. Instead, it accommodates a separate board that carries both the CPU and the second-level cache. This feature allows maximum upgradability and flexibility.

  • Page 2: Major Components

    Major Components The system board has the following major components: Four 72-pin SIMM sockets labeled Bank 0 and Bank 1 (two sockets comprise one bank) One CPU board slot Five 32-bit EISA expansion slots supporting master/slave add-on cards Three PCI local bus slots 128/256-KB Flash memory for easy system BIOS upgrade I/O interfaces for two serial ports, one parallel port, diskette drives, IDE drives, and PS/2 keyboard and mouse...
  • Page 3 1 COM 2 2 COM 1 3 Parallel port interface 4 Diskette drive interface 5 IDE hard disk drive interface 6 Power connector 1 (200/350-watt) 7 SIMM sockets 8 Power connector 2 (350-watt) 9 Wide SCSI interface Fast SCSI-2 interface CPU board slot Figure 1-1 System Board Layout...

  • Page 4: Esd Precautions

    ESD Precautions Always observe the following precautions before installing any system component: Do not remove a board from its packaging unless you are ready to install it. Wear a wrist grounding strap before handling electronic components. Wrist grounding straps are available at most electronic component stores.
  • Page 5 Table 1-1 lists the available memory configurations when the system uses either an IntelDX4, Pentium (5V), single-Pentium (3.3V), or a Pentium (3.3V-ALI) CPU board. Table 1-1 Memory Configurations Bank 0 4 MB 4 MB 4 MB 4 MB 8 MB 8 MB 8 MB 8 MB...
  • Page 6 Models using the dual-Pentium (3.3V) CPU board, four additional 72-pin SIMM sockets are available. With the additional sockets, you can upgrade the memory up to 256 MB using 32-MB SIMMs. Table 1-2 lists some of the possible memory configurations when a dual-Pentium (3.3V) CPU board is installed.
  • Page 7 Models using the Pentium (3.3V-ECC) CPU board have two additional 72-pin SIMM sockets. With the additional sockets, you can upgrade the memory to 192 MB using 32-MB SIMMs. Table 1-3 lists some of the possible memory configurations when a Pentium (3.3V-ECC) CPU board is installed. Banks 0 and 1 are on the system board;...

  • Page 8: Installing Simms

    1.3.2 Installing SIMMs Read the ESD precautions in section 1.2 before proceeding. Follow these steps to install a SIMM: Slip a SIMM at a 45 angle into a socket with the component side facing down. Gently push the SIMM to a vertical position until the pegs of the socket slip into the holes on the SIMM, and the holding clips lock the SIMM into position.

  • Page 9: Removing Simms

    1.3.3 Removing SIMMs Follow these steps to remove SIMMs: Press the holding clips on both sides of the SIMM outward to release it. Push the SIMM downward to a 45 Pull the SIMM out of the socket. 1.3.4 Reconfiguring the System Reconfigure the system after installing or removing SIMMs.

  • Page 10: Scsi Feature

    SCSI Feature The system board features a single-chip SCSI host adapter that adds SCSI I/O capability to the system. The chipset consists of an onboard microcontroller, bus master interface controller, and SCSI controllers. A 50-pin Fast SCSI-2 interface with 10 MB/s transfer rate and a 68- pin Wide SCSI interface that transfers at 20 MB/s also come with the board to accommodate the SCSI devices.
  • Page 11 1.4.1 Installing a Wide SCSI Daughter Board Figure 1-4 shows how to install the Wide SCSI daughter board. Wide SCSI daughter board Figure 1-4 Installing a Wide SCSI Daughter Board 1.4.2 Using the SCSI Feature Follow these steps to use the SCSI feature: Install a SCSI device in the system and connect it to the SCSI interface on the system board (see Figure 1-1 for the location).

  • Page 12: Jumper Settings

    Jumper Settings You have to change the jumper settings on the system board when you upgrade the CPU or reconfigure the system. Follow these steps to change a jumper setting: Remove the jumper cap from the jumper. Position the jumper cap over the two pins for the desired setting. Gently press the cap over the pins.

  • Page 13: Error Messages

    Table 1-4 lists the system board jumpers and their corresponding settings. Table 1-4 System Board Jumper Settings Jumper Setting Acer BIOS OEM BIOS Password enabled Password disabled DMA request 1 (DREQ1) DMA request 3 (DREQ3) DMA acknowledge 1 (DACK1) DMA acknowledge 3 (DACK3)

  • Page 14: Software Error Messages

    1.6.1 Software Error Messages Software error messages are returned by your operating system or application. These messages typically occur after you boot the operating system or when you run your application. If you receive this type of message, consult your application or operating system manual for help.
  • Page 15 Table 1-5 System Error Messages (continued) Message Fixed Disk 0 Error Fixed Disk 1 Error Keyboard Error or No Keyboard Connected Keyboard Interface Error Memory Error at: MMMM:SSSS:OOO (W:XXXX, R:YYYY) where: M: MB, S: Segment, O: Offest, X/Y: write/read pattern Memory Size Mismatch CPU Clock Mismatch Onboard Serial Port 1 Conflict...

  • Page 16: Correcting Error Conditions

    1.6.3 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.

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