[. . . ] The system features the power-management function that conforms to the power-saving standards of the U. S. This feature saves the user from configuration troubles, thus making the system more user-friendly. The system is fully compatible with MS-DOS V6. X, OS/2, UNIX, Novell, Windows NT, and Windows 95 operating systems. System Board 1-1 1. 1 · · · System Board Layout Supports Intel Pentium CPU (100/66, 120/60, 133/66, 150/60, 166/66, 200/66 MHz), with 2. 8V or 3. 3V operating voltage 192-MB maximum system memory Six 72-pin SIMM sockets that accept single- (4 MB and 16 MB) and double- (8 MB and 32 MB) density SIMMs supporting either Extended Data Output (EDO) or EDO/Fast Page Mode (FPM) DRAM types (with or without Error Checking and Correction (ECC)/Parity function) 256-KB/512-KB pipelined-burst second-level cache Integrates an enhanced PCI local bus IDE controller 128-KB Flash ROM for system BIOS Four ISA- and four PCI-expansion slots (one PCI- and ISAshared slot) Dual 16C550 buffered serial ports and one ECP/EPP parallel port Optional USB interface that enables the system to support more peripherals SCSI/ASM slot (for optional SCSI/ASM card) PS/2 mouse and keyboard interface Plug-and-Play function Power-management function The system board has the following features and components: · · · · · · · · · · Figure 1-1 shows the board layout and the locations of the important components. 1-2 User's Guide 4 3 2 1 7 5 6 8 15 14 13 12 10 11 9 1 2 3 4 5 6 7 8 9 10 Super I/O controller Battery SIMM sockets Pipelined-burst cache CPU socket Voltage regulators with heatsink Host-to-PCI bridge SCSI/ASM card slot PCI-ISA bridge PCI slots 11 12 13 14 15 ISA slots Buzzer Flash ROM PS/2 mouse connector PS/2 keyboard connector Figure 1-1 System Board Layout The heatsink becomes very hot when the system is on. [. . . ] Always observe the following precautions before you install a system component. Do not remove a component from its protective packaging until you are ready to install it. Wear a wrist grounding strap and attach it to a metal part of the system unit before handling components. If a wrist strap is not available, maintain contact with the system unit throughout any procedure requiring ESD protection. 1. 3 Pre-installation Instructions Always observe the following before you install a system component: 1. Turn off the system power and all the peripherals connected to the unit before opening it. Open the system according to the instructions in the housing installation manual. Follow the ESD precautions in section 1. 2 before handling a system component. Remove any expansion boards or peripherals that block access to the SIMM sockets or CPU socket. See the following sections for specific instructions on the component you wish to install. Do not attempt the procedures described in the following sections unless you are a qualified service technician. 1-4 User's Guide 1. 4 Installing a CPU Observe the ESD precautions when installing components. This card integrates the Adaptec AIC-7880 SCSI controller and an optional ASM module. The SCSI/ASM card offers the following functions: · · · CPU thermal detection 5V and 3. 3V voltage detection PCI bus utilization calculation Figure 1-6 shows the card layout. 1 2 3 4 5 68-pin Wide SCSI connector SCSI controller Jumper JP1 50-pin Narrow SCSI connector FAN1 connector * 6 7 8 9 10 FAN3 connector * FAN2 connector * ASM chip (optional) Jumper JP2 Narrow SCSI outlet connector Figure 1-7 SCSI/ASM Card Layout * Housing fan connector System Board 1-15 1. 8. 2 Jumper Settings Table 1-4 lists the SCSI/ASM card jumpers with their corresponding settings and functions. Table 1-4 SCSI/ASM Card Jumper Settings Jumper Setting 1-2 2-3 1-2 2-3 Function Terminator ON Terminator by 7880 chip For M3A Reserved JP1 JP2 1. 8. 3 Installing the SCSI/ASM Card Observe the ESD precautions when installing components. See section 1. 2. Follow these steps to install the SCSI/ASM card: 1. Align the golden fingers of the SCSI/ASM card to the slot. 1-16 User's Guide 4. Gently but firmly insert the card. Make sure that the board is properly seated. Figure 1-8 Installing the SCSI/ASM Card See section instructions. 1. 9 for the post-installation System Board 1-17 1. 9 Post-installation Instructions following procedures after installing a system Observe the component: 1. 5. See to it that the components are installed according to the stepby-step instructions in their respective sections. Connect the necessary cables and turn on the system. 1. 10 Error Messages In the event that you receive an error message, do not continue using the computer. This section describes the different types of error messages and suggests corrective measures. [. . . ] There are two general types of error messages: · · Software System 1. 10. 1 Software Error Messages Software error messages are returned by your operating system or application. These messages typically appear after you boot the operating system or when you run your applications. If you receive this type of message, consult your application or operating system manual for help. 1-18 User's Guide 1. 10. 2 System Error Messages A system error message indicates a problem with the computer itself. [. . . ]