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Federal Communications Commission
(F.C.C.) Statement
This device complies with Part 15 of the FCC Rules. Operation of this device is
subject to the following two conditions: (1) this device may not cause harmful
interference, and (2) this device must accept any interference received, including
interference that may cause undesired operation.
Accessories: This device has been tested and found to comply with the limits of a
Class B digital device; the accessories associated with this equipment are as
follows:
1. Shielded serial cable. (Can be obtained from multiple retail outlets)
2. Shielded printer cable. (Can be obtained from multiple retail outlets)
3. Shielded video cable. (Can be obtained from multiple retail outlets)
4. Shielded power cord. (Provided by manufacturer)
These accessories are required to ensure compliance with FCC Rules. It is the
responsibility of the user to provide and use these accessories properly.
This equipment has been tested and found to comply with the limits of a Class B
digital device, pursuant of Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and radiates radio frequency energy
and, if you did not installed and used in accordance with the instructions, may
cause harmful interference in the radio communications. There is no guarantee
that interference will not occur in a particular installation. If this equipment does
cause harmful interference in the radio or television reception, which can be
determined by turning the equipment off and on, you are encouraged to try to
correct the interference by one or more of the following measures:
1. Reorient / relocate the receiving antenna.
2. Increase the separation between the equipment and the receiver.
3. Connect the equipment into an outlet from a circuit where the receiver is
connected.
4. Consult the dealer or an experienced radio/TV technician for help.
Caution: Changes or modifications that is not expressly approved by the
manufacturer could void the user's authority to operate the equipment.
M7TTB
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Related Manuals for Biostar M7TTB
Summary of Contents for Biostar M7TTB
- Page 1 M7TTB Federal Communications Commission (F.C.C.) Statement This device complies with Part 15 of the FCC Rules. Operation of this device is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
- Page 2 Disclaimer The vendor makes no representations or warranties with respect to the contents here of and specially the vendor disclaims any implied warranties of merchantability or fitness for any purpose. Further the vendor reserves the right to revise this publication and to make changes of the contents here of without obligation to notify any party beforehand.
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Page 3: Table Of Contents
Contents Introduction ... 1-1 1. Motherboard Description ... 1-2 1.1 Features ...1-2 1.1.1 Hardware... 1-2 1.1.2 BIOS ... 1-6 1.1.3 Software... 1-6 1.1.4 Accessories ... 1-6 1.2 Motherboard Installation...1-7 1.2.1 System Block Diagram... 1-7 1.2.2 Layout of Motherboard... 1-8 1.2.3 Quick Reference... 1-9 1.3 CPU Installation...1-10... - Page 4 Contents 1.6.1 Front Panel Connector: JPANEL1 ...1-17 1.6.2 ATX 20-pin Power Connector: JATXPWR2...1-19 1.6.3 ATX 12V Power Connector: JATXPWR1 ...1-19 1.6.4 AUX Power Connector: JAUXPWR1...1-19 1.6.5 Hard Disk Connectors: IDE1/IDE2...1-20 1.6.6 Floppy Disk Connector: FDD1...1-20 1.6.7 Wake On LAN Header: JWOL1...1-20 1.6.8 Clear CMOS Jumper: JCMOS1...1-21 1.6.9 Audio Codec Selection: J7 ...1-21 1.6.10 Front USB Headers: JUSB1&...
- Page 5 Contents 2. BIOS Setup... 2-1 2.1 Main Menu...2-3 2.2 Standard CMOS Features...2-6 2.3 Advanced BIOS Features...2-9 2.4 Advanced Chipset Features...2-13 2.5 Integrated Peripherals ...2-15 2.6 Power Management Setup...2-19 2.7 PnP/PCI Configurations ...2-24 2.8 PC Health Status ...2-27 2.9 Frequency/Voltage Control...2-29 3.
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Page 6: Introduction
Introduction System Overview Congratulations on the purchase of your new system! This motherboard is designed to take advantage of the latest industry technology to provide you with the ultimate solution in data processing. In the tradition of its predecessors, this motherboard continues the commitment of reliability ,performance and strives for full compliance and compatibility with industry software and hardware standards. -
Page 7: Motherboard Description
Chapter 1 1. Motherboard Description 1.1 Features 1.1.1 Hardware Provides Socket-478. The Intel Pentium workstations and servers. Speed Runing at 400 MHz Front Side Bus frequency. Supports up to 2.2 GHz CPU core speeds. The 33MHz 32 bit PCI 2.2 compliant. - Page 8 Supports 64M, 128M, 256M and 512M RIMM module sockets. The largest memory capacity possible is 2 GB. Maximum memory bandwidth of 3.2GB/S. Shadow RAM Motherboard is equipped with a memory controller providing shadow RAM and support for ROM BIOS. Green Functionality Supports Award BIOS™ power management functionality.
- Page 9 Supports two back panel Universal Serial Bus Ports, two front panel Universal Serial Bus Ports and four Universal Serial Bus 2.0 Ports (optional). BIOS Hardware Monitor Function Monitors CPU Fan Speed. Monitors System Fan Speed. Monitors System Voltage. Motherboard Description...
- Page 10 (3) Extended Capabilities Port (ECP). Supports two serial ports, 16550 UART with 16 byte FIFO. UART data rates up to 1.5 Mbaud. Supports one Infrared transmission (IR) port. Supports PS/2 Mouse /Keyboard. Supports 360KB, 720KB, 1.2MB, 1.44MB and 2.88MB floppy disk drives. Motherboard Description...
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Page 11: Bios
2000, Windows 95/98, Windows ME, Windows XP, Novell, LINUX, UNIX, SCO UNIX etc. 1.1.4 Accessories HDD Cable. FDD Cable. Flash Memory Writer for BIOS Update. USB Cable (Optional). Rear I/O Panel for ATX Case (Optional). Fully Setup Driver CD. Two dummies of RAM BUS(RDRAM) modules. Motherboard Description... -
Page 12: Motherboard Installation
8 2 8 0 1 B A USB Port 1 USB Port 2 USB Port 3 USB Port 4 AC'97 Link FirmWare Motherboard Description Clock M7TTB 4 RIMM Modules PCI CONN 4 PCI CNTRL PCI CONN 3 PCI ADDR/DATA PCI CONN 2 PCI CONN 1... -
Page 13: Layout Of Motherboard
Chapter 1 1.2.2 Layout of Motherboard Model No.M7TTB JKBV1 JKBMS1 JRJ45USB1 JATXPWR1 JCOM1 JPRNT1 JCOM2 JGAME1 SP-OUT JCFAN2 LINE-IN MIC-IN JCDIN2 JCDIN1 JAUDIO1 JAUDIO1 AGP1 JTAD1 JAUX1 CHIP PCI1 PCI2 PCI3 Winbond PCI4 CNR1 Motherboard Description JCFAN1 CPU1 INTEL 82850... -
Page 14: Quick Reference
J. Wake-On-LAN Header (JWOL1) K. Front USB Header (*USB20A) L. Front USB Header (*USB20B) M. System FAN Header (*JSFAN1) N. Floppy Disk Connector (FDD1) NOTE: The “ * “mark means that the function is optional. Motherboard Description Socket INTEL 82850 RIMM2 RIMM4 O. -
Page 15: Cpu Installation
Match Pin A with the white dot/cut edge then insert the CPU. Press the lever down. Put the fan on the CPU by buckling it and then put the fan’s power-port into the JCFAN1, then the installation will be completed. Motherboard Description 1-10... -
Page 16: Cpu/Chips Fan Header: Jcfan1/ Jcfan2(Optional)
Chapter 1 CPU Installation Layout JCFAN2 CHIP Winbond 1.3.2 CPU/CHIPs Fan Header: JCFAN1/ JCFAN2(Optional) Pin of JCFAN1 Pin of JCFAN2 1.3.3 System Fan Header: JSFAN1 (Optional) Pin No. Motherboard Description JCFAN1 INTEL 82850 RIMM1 RIMM3 Intel 82801 ICH2 JSFAN1 BIOS... -
Page 17: Ram Module Installation
When you insert two RAM BUS RIMM modules into the RIMM sockets, the other two RIMM sockets must insert two dummies of RAM BUS RIMM modules. It is necessary for this motherboard to insert the entire four RIMM sockets. Motherboard Description... -
Page 18: How To Install A Rimm Module
Chapter 1 Motherboard Description 1.4.2 How to install a RIMM Module 1. The RIMM socket has a “ Plastic Safety Tab”, and the RIMM memory module has an Asymmetrical notch”, so the RIMM memory module can only fit into the slot in one direction. -
Page 19: Slots
Chapter 1 1.5 Slots The slots in this motherboard are designed to hold expansion cards and connect them to the system bus. Expansion slots are a means of adding or enhancing the motherboard's features and capabilities. With these efficient facilities, you can increase the motherboard's capabilities by adding hardware that performs tasks that are not part of the basic system. -
Page 20: Agp (Accelerated Graphics Port) Slot
Your monitor will attach directly to that video card. This motherboard supports video cards for PCI slot, but it is also equipped with an Accelerated Graphics Port (AGP). An AGP card will take advantage of AGP technology for improved video efficiency and performance, especially with 3D graphics. -
Page 21: Connectors, Headers & Jumpers
Wake On LAN function and Front USB connection. Noticeably, a jumper has two or more pins covered by a plastic jumper cap, allowing you to select a different system options. INTEL 82850 CHIP Winbond JWOL1 Motherboard Description JKBV1 JATXPWR1 JAUXPWR1 RIMM1 RIMM3 JATXPWR2 JCMOS1... -
Page 22: Front Panel Connector: Jpanel1
Speaker Connector An offboard speaker can be installed on the motherboard as a manufacturing option. It can be connected to the motherboard at the front panel connector. The speaker (onboard or offboard) provides error beep code information during the Power On Self-Test when the computer cannot use the video interface. - Page 23 Chapter 1 Reset Button This connector can be attached to a momentary SPST switch. This switch is usually open, and when it is closed, will cause the motherboard to reset and run the POST (Power On Self Test). Power LED Connector This connector can be attached to an LED on the front panel of a computer case.
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Page 24: Atx 20-Pin Power Connector: Jatxpwr2
1.6.2 ATX 20-pin Power Connector: JATXPWR2 This connector supports the power button on-board. supply function, such as Soft Power Off, is supported on this motherboard. This power connector supports instant power-on functionality, which means that the system will boot up instantly when the power connector is inserted on the board. -
Page 25: Hard Disk Connectors: Ide1/Ide2
Chapter 1 1.6.5 Hard Disk Connectors: IDE1/IDE2 The motherboard has a 32-bit Enhanced PCI IDE Controller that provides PIO Mode 0~4, Bus Master, and Ultra DMA / 33, Ultra DMA / 66,Ultra DMA / 100 functionality. It has two HDD connectors IDE1 (primary) and IDE2 (secondary). -
Page 26: Clear Cmos Jumper: Jcmos1
2-3 Closed JCMOS1 Remove AC (2-3) closed power line AC power on 1.6.9 Audio Codec Selection: J7 1-2 Closed 2-3 Closed Motherboard Description Assignment Normal Operation (default) Clear CMOS Data Wait five JCMOS1 (1-2) closed seconds Reset your desired password... -
Page 27: Front Usb Headers: Jusb1& Usb20A/B (Optional)
(USB20A) (Optional) Assignment USB1 Data (-) USB1 Data (+) Ground (USB20B) (Optional) Assignment USB3 Data (-) USB3 Data (+) Ground Motherboard Description Assignment USB2 Data(-) USB2 Data(+) Ground Assignment USB2 Data (-) USB2 Data (+) Ground Assignment USB4 Data (-) -
Page 28: Peripheral Port
JCOM1 1.7.1 PS/2 Mouse / Keyboard Connector: JKBMS1 The motherboard provides a standard PS/2 mouse / Keyboard mini DIN connector for attaching a PS/2 mouse. You can plug a PS/2 mouse / Keyboard directly into this connector. The connector location and pin definition are shown below:... -
Page 29: Usb & Lan Connector: Jrj45Usb1
Chapter 1 1.7.2 USB & LAN Connector: JRJ45USB1 The motherboard provides an OHCI (Open Host Controller Interface) Universal Serial Bus Roots for attaching USB devices such as: keyboard, mouse and other USB devices. You can plug the USB devices directly into this connector. -
Page 30: Serial And Parallel Interface Ports
Chapter 1 Motherboard Description 1.7.3 Serial and Parallel Interface Ports This system is equipped with two serial ports and one parallel port. Both types of interface ports will be explained in this chapter. 1.7.3.1 The Serial Interface: JCOM1/ JCOM2 The serial interface port is sometimes referred to as an RS-232 port or an asynchronous communication port. - Page 31 Signal Name Data Carrier Detect Receive Data Transmit Data Data Terminal Ready Signal Ground Data Set Ready Request to Send Clear to Send Ring Indicator Motherboard Description DB9 PIN DB25 PIN 1-26...
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Page 32: Parallel Interface Port: Jprnt1
The parallel port on your system has a 25-pin, DB25 connector (see picture below). The pinout for the parallel port are shown in the table below. Motherboard Description Signal -Strobe... -
Page 33: Game (Joystick/Midi) Port Connector: Jgame1
Line In can be connected to the external CD player, Tape player or other audio devices for audio input. Mic In is used to connect a microphone, which allows you to input sounds and voices. Motherboard Description Game/Joystick/MIDI Speaker Out Line In... -
Page 34: Audio Subsystem
Chapter 1 1.7.6 Audio Subsystem JCDIN1 JCDIN2 JAUDIO1 8100 JTAD1 Winbond JAUX1 1.7.6.1 CD-ROM Audio-In Header: JCDIN1 Pin No. Motherboard Description INTEL 82850 RIMM1 RIMM3 Intel 82801 ICH2 BIOS Assignment Left Channel Input Ground Ground Right Channel Input 1-29... -
Page 35: Cd-Rom Audio-In Header: Jcdin2
Mic In Mic Power RT Line Out Reserved LFT Line Out 1.7.6.4 Telephony Audio Header: JTAD1 Pin No. 1.7.6.5 Auxiliary Audio Header: JAUX1 Pin No. Motherboard Description Assignment Left Channel Input Ground Right Channel Input Ground Pin No. Assignment Ground... -
Page 36: Bios Setup
Chapter 2 2. BIOS Setup Introduction This manual discussed Award™ Setup program built into the ROM BIOS. The Setup program allows users to modify the basic system configuration. This special information is then stored in battery-backed RAM so that it retains the Setup information when the power is turned off. -
Page 37: Chapter 2 Bios Setup
Chapter 2 PCI Bus Support This AWARD BIOS also supports Version 2.1 of the Intel PCI (Peripheral Component Interconnect) local bus specification. DRAM Support RAM BUS are supported. Supported CPUs This AWARD BIOS supports the Intel Pentium Using Setup In general, you use the arrow keys to highlight items, press <Enter> to select, use the <PgUp>... -
Page 38: Main Menu
Chapter 2 2.1 Main Menu Once you enter Award BIOS™ CMOS Setup Utility, the Main Menu will appear on the screen. The Main Menu allows you to select from several setup functions. Use the arrow keys to select among the items and press <Enter> to accept and enter the sub-menu. - Page 39 Chapter 2 Advanced Chipset Features This submenu allows you to configure special chipset features. Integrated Peripherals This submenu allows you to configure certain IDE hard drive options and Programmed Input/ Output features. Power Management Setup This submenu allows you to configure the power management features. PnP/PCI Configurations This submenu allows you to configure certain “Plug and Play”...
- Page 40 Chapter 2 Set User Password If the Supervisor Password is not set, then the User Password will function in the same way as the Supervisor Password. If the Supervisor Password is set and the User Password is set, the “User” will only be able to view configurations but will not be able to change them.
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Page 41: Standard Cmos Features
Chapter 2 BIOS Setup 2.2 Standard CMOS Features The items in Standard CMOS Setup Menu are divided into 10 categories. Each category includes no, one or more than one setup items. Use the arrow keys to highlight the item and then use the<PgUp> or <PgDn> keys to select the value you want in each item. - Page 42 Chapter 2 Main Menu Selections This table shows the selections that you can make on the Main Menu. Item Options Date MM DD IDE Primary Master Options are in its sub menu. IDE Primary Slave Options are in its sub menu.
- Page 43 Chapter 2 Item Options Halt On All Errors No Errors All, but Keyboard All, but Diskette All, but Disk/ Key Base Memory Extended Memory Total Memory BIOS Setup Description Select the situation in which you want the BIOS to stop the POST process and notify you.
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Page 44: Advanced Bios Features
Chapter 2 2.3 Advanced BIOS Features Figure 3. Advanced BIOS Setup Virus Warning This option allows you to choose the VIRUS Warning feature that is used to protect the IDE Hard Disk boot sector. If this function is enabled and an attempt is made to write to the boot sector, BIOS will display a warning message on the screen and sound an alarm beep. - Page 45 Chapter 2 Boot Up NumLock Status Selects the NumLock. State after power on. On (default) Gate A20 Option Select if chipset or keyboard controller should control Gate A20. Normal Fast (default) Typematic Rate Setting When a key is held down, the keystroke will repeat at a rate determined by the keyboard controller.
- Page 46 Chapter 2 MPS Version Control For OS The BIOS supports versions 1.1 and 1.4 of the Intel multiprocessor specification. Select the version supported by the operation system running on this computer. The Choices: 1.4 (default), 1.1. OS Select For DRAM > 64MB A choice other than Non-OS2 is only used for OS2 systems with memory exceeding 64MB.
- Page 47 Chapter 2 Boot Up Floppy Seek Enabling this option will test the floppy drives to determine if they have 40 or 80 tracks. Disabling this option reduces the time it takes to boot-up. The Choices: Enabled (default), Disabled. Report No FDD For WIN 95 Whether report no FDD for Win 95 or not.
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Page 48: Advanced Chipset Features
Chapter 2 2.4 Advanced Chipset Features This submenu allows you to configure the specific features of the chipset installed on your system. This chipset manages bus speeds and access to system memory resources, such as DRAM and external cache. It also coordinates communications with the PCI bus. - Page 49 Chapter 2 System BIOS Cacheable Selecting Enabled allows caching of the system BIOS ROM at F0000h-FFFFFh, resulting in better system performance. However, if any program writes to this memory area, a system error mat result. The Choices: Disabled (default), Enabled. Video BIOS Cacheable Select Enabled allows caching of the video BIOS, resulting in better system performance.
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Page 50: Integrated Peripherals
Chapter 2 2.5 Integrated Peripherals Figure 5. Integrated Peripherals IDE Devices Control The chipset contains a PCI IDE interface with support for two IDE channels. Select “Enabled” to activate the first and / or second IDE interface. Select “Disabled” to deactivate an interface, if you install a primary and / or secondary add-in IDE interface. - Page 51 Chapter 2 IDE Primary / Secondary Master / Slave PIO The IDE PIO (Programmed Input / Output) fields let you set a PIO mode (0-4) for each of the IDE devices that the onboard IDE interface supports. Modes 0 through 4 provide successively increased performance.
- Page 52 Chapter 2 BIOS Setup number of block read/ write per sector where the drive can support. The Choices: Enabled (default), Disabled. Onboard I/O Chip Setup This item allows you to setup I/O chip. Onboard FDC Controller Select Enabled if your system has a floppy disk controller (FDC) installed on the system board and you wish to use it.
- Page 53 Chapter 2 Use IR Pins Consult your IR peripheral documentation to select the correct setting of the TxD and RxD signals. The Choices: IR-Rx2Tx2 (default), RxD2 TxD2. Onboard Parallel Port This item allows you to determine access onboard parallel port controller with which I/O Address.
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Page 54: Power Management Setup
Chapter 2 2.6 Power Management Setup The Power Management Setup Menu allows you to configure your system to utilize energy conservation and power up/power down features. Figure 6. Power Management Setup ACPI function This item displays the status of the Advanced Configuration and Power Management (ACPI). - Page 55 Chapter 2 Power Management This category allows you to select the type (or degree) of power saving and is directly related to the following modes: 1. HDD Power Down. 2. Doze Mode. 3. Suspend Mode. There are four options of Power Management, three of which have fixed mode settings Min.
- Page 56 Chapter 2 Video Off Method This option determines the manner in which the monitor is goes blank. V/H SYNC+Blank This selection will cause the system to turn off the vertical and horizontal synchronization ports and write blanks to the video buffer. Blank Screen This option only writes blanks to the video buffer.
- Page 57 Supply (5VSB), and the Power Supply (3.3V). While AC is not supplying power, the motherboard uses the motherboard battery (3V). If AC power is supplied and the Power Supply is not turned on, 5VSB from the Power Supply is used. When the Power Supply is eventually turned on 3.3V from the Power Supply will be...
- Page 58 Chapter 2 Wake Up/Power On Control Wake-Up by PCI card When you select Enabled, a PME signal from PCI card returns the system to Full On state. The Choices: Disabled (default), Enabled. Power On by Ring/LAN An input signal on the serial Ring Indicator (RI) line (in other words, an incoming call on the modem) awakens the system from a soft off state.
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Page 59: Pnp/Pci Configurations
Chapter 2 2.7 PnP/PCI Configurations This section describes configuring the PCI bus system. PCI, or Personal Computer Interconnect, is a system which allows I/O devices to operate at speeds nearing the speed of the CPU itself uses when communicating with its own special components. - Page 60 Chapter 2 The above settings will be shown on the screen only if “Manual” is chosen for the resources controlled by function. Legacy is the term, which signifies that a resource is assigned to the ISA Bus and provides non-PnP ISA add-on cards. PCI / ISA PnP signifies that a resource is assigned to the PCI Bus or provides for ISA PnP add-on cards and peripherals.
- Page 61 Chapter 2 PCI / VGA Palette Snoop Choose Disabled or Enabled. Some graphic controllers which are not VGA compatible take the output from a VGA controller and map it to their display as a way to provide boot information and VGA compatibility. However, the color information coming from the VGA controller is drawn from the palette table inside the VGA controller to generate the proper colors, and the graphic controller needs to know what is in the palette of the VGA controller.
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Page 62: Pc Health Status
Chapter 2 2.8 PC Health Status Figure 8. PC Health Status CPU Warning Temperature The item will prevent CPU from overheating. Choices: Disabled C/133 F, 60 C/140 Current CPU1 Temperature Show you the current CPU1 temperature. Current CPUFAN1/2 Speed This field displays the current CPUFAN1/2 speed. BIOS Setup (default), C/122... - Page 63 Chapter 2 CPU Vcore IN0(V)/IN1(V)/IN2(V)/+-5V/+ Detect the system’s voltage status automatically. Shutdown Temperature This item allows you to set up the CPU shutdown Temperature. This item only effective under Windows 98 ACPI mode. The Choices: Disabled (default), 60 Show H/W Monitor in POST If you computer contain a monitoring system, it will show PC health status during POST stage.
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Page 64: Frequency/Voltage Control
Chapter 2 2.9 Frequency/Voltage Control Figure 9. Frequency/Voltage Control CPU Clock Ratio This item allows you to select the CPU Ratio. Auto Detect DIMM/PCI Clk This item allows you to enable/ disable auto Detect DIMM/ PCI Clock. The Choices: Enabled (default), Disabled. BIOS Setup 2-29... - Page 65 Chapter 2 Spread Spectrum This item allows you to Enabled/ Disabled spread spectrum for all clock. The Choices: Enabled (default), Disabled. CPU Host/3V66/PCI Clock This item allows you to select Default or select a timing combination for the CPU and the PCI bus. The Choices: Default (default), 100/66/33 MHZ, 102/68/34 MHZ, 105/70/35 MHZ, 108/72/36 MHZ, 111/74/37 MHZ, 114/76/38 MHZ, 117/78/39 MHZ, 120/80/40 MHZ, 123/82/41 MHZ, 126/84/42 MHZ,...
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Page 66: Trouble Shooting
Memory DIMM is Turn off computer. Take partially dislodged from cover off system unit. the slot on the Check the DIMM to motherboard. ensure it is securely seated in the slot. Trouble Shooting PROBLEM SOLUTION Make sure power cable is securely plugged in. - Page 67 Chapter 3 System does not boot from hard disk drive, can be booted from CD-ROM drive. PROBABLE CAUSE DIAGNOSIS Connector between hard When attempting to run drive and system board the FDISK utility you get a unplugged. message, INVALID DRIVE SPECIFICATION. Damaged hard disk or Format hard disk;...
- Page 68 Chapter 3 Error message reading “SECTOR NOT FOUND” or other error messages not allowing certain data to be retrieved. PROBABLE CAUSE DIAGNOSIS A number of causes Use a file by file backup could be behind this. instead of an image backup to backup the hard disk.
- Page 69 Chapter 3 No screen. PROBABLE CAUSE DIAGNOSIS Memory problem. Computer virus. Screen goes blank periodically. PROBABLE CAUSE DIAGNOSIS Screen saver is enabled. Keyboard failure. PROBABLE CAUSE DIAGNOSIS Keyboard is disconnected. Trouble Shooting PROBLEM SOLUTION Reboot computer. Reinstall memory, make sure that all memory modules are installed in correct sockets.
- Page 70 Chapter 3 No color on screen. PROBABLE CAUSE DIAGNOSIS Faulty Monitor. CMOS incorrectly set C: drive failure. PROBABLE CAUSE DIAGNOSIS Hard drive cable not connected properly. Cannot boot system after installing second hard drive. PROBABLE CAUSE DIAGNOSIS Master/slave jumpers not set correctly. Hard drives not compatible / different manufacturers.
- Page 71 Chapter 3 Missing operating system on hard drive. PROBABLE CAUSE DIAGNOSIS CMOS setup has been changed. Certain keys do not function. PROBABLE CAUSE DIAGNOSIS Keys jammed or defective. Trouble Shooting PROBLEM SOLUTION Run setup and select correct drive type. PROBLEM SOLUTION Replace keyboard.
- Page 72 12/26/2001 MADE IN TAIWAN R.O.C.