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Acer 1100 User Manual

Acer altos 1100 server: user guide
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System Board

1.1
Features
The M19A is a dual-processor system board built on an ATX
baseboard utilizing two Intel Pentium
II processors running at
333/66, 350/100, 400/100, or 450/100 MHz. It is integrated with the
Intel 440BX system controller, which consists of the PCI/AGP
controller and the PCI/ISA IDE accelerator (PIIX4).
The PCI/AGP controller host bus interface supports a Pentium II
processor with 66 or 100 MHz bus frequency. It also provides a 72-bit
DRAM that supports synchronous DRAM (SDRAM) DIMMs. The
PCI/AGP controller introduces a new technology, which is the
Accelerated Graphics Port (AGP) interface. Supporting up to 133 MHz
data transfer rate, the AGP interface boosts graphics performance.
The PIIX4 is a multifunctional PCI device controller implementing
system functions including PCI IDE, universal serial bus (USB)
host/hub, and enhanced power management. It also supports Ultra
DMA/33 synchronous DMA-compatible devices.
The four DIMM sockets on board allow memory upgrade to a
maximum of 512 MB and supports 72-bit DRAM using synchronous
DRAM (SDRAM) DIMMs.
System Board
1-1

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  Summary of Contents for Acer 1100

  • Page 1: System Board

    System Board Features The M19A is a dual-processor system board built on an ATX baseboard utilizing two Intel Pentium II processors running at 333/66, 350/100, 400/100, or 450/100 MHz. It is integrated with the Intel 440BX system controller, which consists of the PCI/AGP controller and the PCI/ISA IDE accelerator (PIIX4).
  • Page 2 A 50-pin Fast SCSI (Small Computer System Interface) and a 68-pin Wide SCSI comes with the system board to connect SCSI devices. Wide SCSI supports 32-bit transfers while fast SCSI uses a 16-bit bus that doubles the clock rate to support data rates of 40 Mb/s. The M19A system board also supports the USB (Universal Serial Bus) connector, and other standard features such as two UART NS16C550 serial ports, one enhanced parallel port with Enhanced Parallel Port...
  • Page 3: Major Components

    Major Components The system board has the following major components: Supports dual Intel Pentium Four DIMM sockets that accept 16-, 32-, 64- and 128-MB DIMMs with a maximum of 512-MB system memory Two ISA, four PCI, and one AGP bus slots (one PCI and ISA shared slot) 256-KB Flash ROM for system BIOS 512-KB pipelined-burst second-level cache built-in Pentium II...
  • Page 4 Layout Figure 1-1 shows the system board components. Mouse port Keyboard port USB connector Serial port 2 Parallel port Serial port 1 RJ-45 CPU slots Intel 82558B chipset PCI slots ISA slots AGP slot SMM feature connector System BIOS Battery Figure 1-1 System Board Layout RDM connectors...
  • Page 5: Jumper And Connector Locations

    Jumpers and Connectors 1.4.1 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 Jumpers are prefixed “JP”. Connectors are prefixed “CN”. The blackened pin of a jumper or connector represents pin 1.
  • Page 6: Jumper Settings

    Table 1-1 System Board Jumper Settings Jumper Setting LM80 Sel 1-2/4-5 2-3/5-6* BIOS Logo 2-3* Password Security 2-3* Sound Output 1-2* Function Alert Pack & LM80 LM80 Only Acer Check password Bypass password Buzzer Speaker User’s Guide...
  • Page 7: Connector Functions

    1.4.3 Connector Functions Table 1-2 lists the different connectors on the system board and their respective functions. Table 1-2 Connector Functions Connector 280-watt SPP control connector Power core connector PS/2 mouse (above) / keyboard (below) connectors Power core connector (VCC3 & VCC) USB connector CPU2 Fan Connector CN10...
  • Page 8 Table 1-2 Connector Functions Connector CN30 RDM connector CN31 Feature connector CN32 Wake-on-LAN connector CN33 RDM connector CN34 External Speaker connector CN35 PSU/HDD/Fan fail LED CN36 Power switch CN37 Chassis Intrusion switch connector CN38 RDM LED connector CN39 External HDD LED connector CN40 External HDD LED connector CN41...
  • Page 9: Esd Precautions

    ESD Precautions Always observe following precautions before installing a system component: Do not remove a component from its antistatic packaging until 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 10: Installing The Pentium Ii Processor

    Installing the Pentium II processor The following section will briefly explain and illustrate how to install the Pentium II processor. You have to attached the heat sink and fan before installing the Pentium II processor into the system board. 1.6.1 Attaching the Processor Heat Sink and Fan The Pentium II processor module comes with holes on one side to hold the clips of the heat sink and fan.
  • Page 11 Follow these steps when installing the heat sink and fan into the Pentium II processor module: Remove the thermal tape protector at the back of the heat sink. Insert the wide clip ends into the wide holes on the processor and the narrow clip ends into the narrow holes.
  • Page 12 Figure 1-5 Locking a Wide Clip End Figure 1-6 Locking a Narrow Clip End Repeat step 3 to lock the other clip. 1-12 User’s Guide...
  • Page 13: Installing A Pentium Ii Processor

    1.6.2 Installing a Pentium II Processor Follow these steps to install the Pentium II processor to the socket on the CPU board. Place the retention mechanism over the processor socket on the CPU board. Secure it with the screws that came with the package.
  • Page 14 Press down the processor module until the golden fingers completely fit into the socket. Figure 1-8 Installing a Pentium II Processor Press the latches on the sides to lock the processor module into place. Figure 1-9 Securing the Pentium II Processor 1-14 User’s Guide...
  • Page 15: Removing A Pentium Ii Processor

    1.6.3 Removing a Pentium II Processor Follow these steps to remove the Pentium II CPU module from the slot. Unlock the latches that secure the processor module. Figure 1-10 Unlocking the Module Latches Firmly hold the processor module and pull it out of the socket. Figure 1-11 Removing the Pentium II Processor System Board...
  • Page 16: Installing The Termination Board

    Installing the Termination Board When you use only one slot on the CPU board, you must install a termination board into the empty slot. Follow these steps to install the termination board: Position the termination board over the empty slot. Carefully insert the golden fingers of the termination board into the slot until the board fits completely.
  • Page 17: Memory Upgrade

    Memory Upgrade The four 168-pin sockets onboard support SDRAM-type DIMMs. You may install 32-MB, 64-MB, or 128-MB DIMMs for a maximum of 512-MB system memory. The SDRAM DIMMs should work under 3.3 volts; 5 volt memory devices are not supported. Memory module with a timing setting of 66 MHz are defined under unbuffered DIMM specifications, while 100 MHz modules are defined under Intel PC-100 SDRAM specifications and PC registered DIMM specifications.
  • Page 18: Installing A Dimm

    Table 1-3 Memory Configurations DIMM1 DIMM2 DIMM3 64 MB 64 MB 64 MB 128 MB 128 MB 128 MB 128 MB 128 MB 128 MB 128 MB 128 MB 128 MB 1.8.2 Installing a DIMM To install a DIMM, align it with the socket and press it down until the holding clips secure the DIMM in place.
  • Page 19: Removing A Dimm

    1.8.3 Removing a DIMM To remove a DIMM, press the holding clips on both sides of the socket outward to release the DIMM. Place your forefingers on the top of the DIMM before you press the holding clips to gently disengage the DIMM from the socket.
  • Page 20: Installing Expansion Cards

    Installing Expansion Cards 1.9.1 Installing PCI Cards To install PCI cards: Locate the PCI slots on the system board. Remove the bracket on the housing opposite an empty PCI slot. Insert a PCI card into the slot. Make sure that the card is properly seated.
  • Page 21: Installing Isa Cards

    1.9.2 Installing ISA Cards Both PnP and non-PnP ISA cards require specific IRQs. 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 22 Figure 1-16 Installing an ISA Card 1.9.3 Installing AGP Card When installing an AGP card, make sure that the IRQ required by the card is not already assigned to a PCI or ISA device to avoid resource conflicts. Follow these steps when installing an AGP card: 1.
  • Page 23 Figure 1-17 Installing an AGP Card When you turn on the system, BIOS automatically detects and assigns resources to the AGP device. BIOS detects and configures only PnP cards. System Board 1-23...
  • Page 24: Asm Pro

    1.10 ASM Pro ASM Pro is a server management tool based on the Simple Network Management Protocol (SNMP). It detects server problems related to the CPU thermal condition, 5V/3.3V/1.5V detection, or PCI bus utilization calculation. This feature is designed primarily for server supervisors and management information system (MIS) personnel to help them detect errors or potential trouble spots in their network servers through a single management station.
  • Page 25: Remote Diagnostic Management

    1.11 Remote Diagnostic Management Remote Diagnostic Management (RDM) is a network management tool that utilizes modems and telephone lines to control a host of servers from a remote station. It monitors and analyzes the server condition, updates the BIOS settings if necessary, or reboots the server in the event of failure and quickly returns it to normal operation.
  • Page 26: Software Error Messages

    1.12 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: Software System 1.12.1...
  • Page 27 Table 1-4 System Error Messages Message CMOS Battery Error CMOS Checksum Error CPU BIOS Update Code Mismatch Diskette Drive Controller Error or Not Installed Diskette Drive Error Diskette Drive A Type Mismatch Diskette Drive B Type Mismatch Equipment Configuration Error Hard Disk Controller Error Hard Disk 0 Error Hard Disk 1 Error...
  • Page 28 Table 1-4 System Error Messages Message Memory Error at: MMMM:SSSS:OOO (W:XXXX, 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 Error Pointing Device Interface Error...
  • Page 29: Correcting Error Conditions

    1.12.3 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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