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Mylex MGPS-PNTM User Manual

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MGPS-PNTM System Board
User's Guide
P/N: 771946
Version: D01
April 1995

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  • Page 1 MGPS-PNTM System Board User's Guide P/N: 771946 Version: D01 April 1995...

  • Page 2: Manual Notice

    Fremont, California 94537-5035 Copyright Notice: This manual is copyrighted by Mylex Corporation. It may not, in whole or in part, be copied, reproduced, photocopied, translated on paper, electronic media or computer- readable-form or be used to make a derivative work without written permission from Mylex Corporation, except as permitted by the United States Copyright Act of 1976, as amended.

  • Page 3: Fcc Warning

    Trademarks: Mylex and MGPS-PNTM are registered trademarks of Mylex Corporation. All other products and companies are trademarks of their respective owners and licensees. Manual No. 771946-D01, Apr. 1995...
  • Page 4 This product is guaranteed to be free from manufacturing or material defects for a period of 1 (one) year after the date of purchase. Should the product fail during this period, Mylex will repair or replace (at Mylex's option) the product free of charge with the following provisions: Proof of purchase must be provided.

  • Page 5: Customer Service

    Customer Service Policy Returned Merchandise Authorization (RMA) All products returned to Mylex for warranty service or for other reasons must be assigned an RMA number before shipment to Mylex. The RMA number may be obtained by contacting Mylex's Technical Support Department. Any product received without an RMA number will be returned to the shipper unopened.

  • Page 6: Handling Precautions

    BIOS setup. If the product continues to operate improperly, contact your dealer or distributor for additional information. Dealers and Distributors may contact Mylex's Technical Support Department at (510) 796-6100 after first completing the enclosed System Problem Report.
  • Page 7 Contents 1 – Introduction About This User's Guide ........The Green PC Function .
  • Page 8 Mylex MGPS-PNTM System Board Floppy Drive Controller (J6) ....... .
  • Page 9 4 – BIOS Setup CMOS Setup Utility ......... . Standard CMOS Setup .
  • Page 10 Mylex MGPS-PNTM System Board Video Off method ........
  • Page 11 Chapter 1 Introduction About This User's Guide This manual is arranged to help you set up and run the MGPS-PNTM system board. • Chapter 1, Introduction, describes the functions and features of the system board and specifications. • Chapter 2, System Board Setup, includes detailed information on how to install and configure the MGPS system board.
  • Page 12 Mylex MGPS-PNTM System Board The Green PC Function The Power Management Unit (PMU) controls and dramatically reduces overall system power consumption. This is accomplished by the activity monitors, which detect the system inactivity timer time-out, and signals the power-saving devices to slow down the clock frequency or remove the power sources from various peripherals.

  • Page 13: Specifications

    Introduction Specifications CPU Types Supported: Intel Pentium™ Processor 75/90/100 MHz (P54C) CPU ZIF socket 5 installed System Clock: 50/60/66 MHz Memory: Four 72-pin (32- or 36-bit) SIMM sockets, 1, 2, 4, 8, 16, or 32MB SIMM's, 70ns or faster Maximum 128MB on-board system memory Cache Memory: Supports 256KB, 512KB, or 1MB;...

  • Page 14: Jumpers And Connectors

    Mylex MGPS-PNTM System Board Jumpers and Connectors The following is a list of the jumpers and connectors used on the MGPS- PNTM system board. The referenced pages provide more details. Jumper / Connector No. Function Ref Page Keyboard Connector Power Supply Connector...

  • Page 15: Installing The Cpu

    System Board Setup This chapter describes the individual jumpers and connectors switches on the MGPS-PNTM system board. If your system board has already been installed by the dealer, you should refer to this chapter if you plan to make any changes or upgrade your system.

  • Page 16: System Board Jumpers

    Mylex MGPS-PNTM System Board System Board Jumpers Jumpers are used to select between various operating modes or options. A jumper switch consists of two or three gold pins projecting from the system board. Placing the plastic jumper cap over two pins connects those pins and makes a particular selection.
  • Page 17 System Board Setup The following jumpers are used on the MGPS-PNTM system board. Please refer to the referenced pages for additional details: Jumper No. Function Ref. Page Main Memory SIMM type JP7, JP8 Cache Memory Size JP10, JP11 System Clock Speed...
  • Page 18 Mylex MGPS-PNTM System Board Flash ROM BIOS (JP30) Set jumper JP30 (3-pins) for programming the flash ROM BIOS. Full details with display menus to upgrade the system BIOS are presented in Appendix A of this User's Guide. Please refer to Appendix A for instructions on how to upgrade your system BIOS.

  • Page 19: System Board Connectors

    System Board Setup System Board Connectors Connectors interface the system board to other parts of the system, including the power supply, drives, keyboard and various controls on the front panel of the system case. Some connectors are polarized and require specific alignment during installation. Polarized connectors are shown with a plus (+) sign to denote the positive pin.
  • Page 20 Mylex MGPS-PNTM System Board Keyboard (J1) This 5-pin DIN connector interfaces the keyboard to the system board. Description Keyboard Clock Keyboard Data No Connection Ground +5Vdc Power Supply (J2) Most power supplies have two 6-wire plugs that must be connected to the system board.
  • Page 21 System Board Setup RS-232-2 (COM2) Serial Port (J3) Use this I/O serial port to interface a variety of devices, such as a mouse, modem, etc. RS-232-1 (COM1) Serial Port (J4) Use this I/O serial port to interface a variety of devices, such as a serial mouse, modem, etc.
  • Page 22 Mylex MGPS-PNTM System Board The system will go into its power saving mode when the connector is shorted by the mode control switch, and revert to normal operation when the connector is open. HDD Activity Indicator (JP12) This 4-pin connector can interface an LED on the front panel of the system case to indicate the activity status of the hard disk drive.
  • Page 23 System Board Setup System Reset Switch (JP24) This connector interfaces the system reset switch on the front panel of the case. The switch causes the system board to perform a cold start from the power-on self test without turning off power to components, such as the hard disk drive.
  • Page 24 Mylex MGPS-PNTM System Board 2-10 Manual No. 771946-D01, Apr. 1995...

  • Page 25: Memory Installation

    Chapter 3 Memory Installation The MGPS-PNTM system board provides SIMM installation slots for 2MB to 128MB of system memory. There is also an external cache memory on the system board that can be installed with 0KB or up to 1MB in size. This chapter describes the types of memory devices that should be used with the system board and explains how to install the memory.
  • Page 26 Mylex MGPS-PNTM System Board Main Memory Configurations BANK 0 BANK 1 Total Memory SIMM 1 SIMM 2 SIMM 3 SIMM 4 1MB SS 1MB SS —— —— 1MB SS 1MB SS 1MB SS 1MB SS 2MB DS 2MB DS 4MB SS...

  • Page 27: External Cache Memory

    Memory Installation External Cache Memory When you first install the cache memory on your system board or each time you upgrade or modify it, you will need to adjust the cache memory size setting for the appropriate memory level. The cache memory size for the system is set with jumpers JP7 and JP87, as illustrated in the following table.
  • Page 28 Mylex MGPS-PNTM System Board Manual No. 771946-D01, Apr. 1995...

  • Page 29: Bios Setup

    Chapter 4 BIOS Setup Award's BIOS ROM has a setup program that allows you to modify your basic system configuration. The BIOS data are stored in CMOS RAM so that the setup configuration will be retained when the power is turned off.

  • Page 30: Standard Cmos Setup

    Mylex MGPS-PNTM System Board Standard CMOS Setup Choose the Standard CMOS Setup option from the CMOS Setup Utility menu. The menu in Figure 4-2 allows you to configure date, time, hard disk drive, floppy disk drive, display and memory. When a field is highlighted, on-line help information is displayed in the left bottom of the Menu screen.

  • Page 31: Virus Warning

    BIOS Setup by all operation systems. Presently, it can only be used with MS- DOS. BIOS Features Setup Select the BIOS Features Setup option from the CMOS Setup Utility menu to display the screen in Figure 4-3. This menu contains the system board's default values.
  • Page 32 Mylex MGPS-PNTM System Board and cause a warning message to appear. If this happens, you can either allow the operation to continue or stop it. Cache Control CPU Internal Cache: Disabled Enabled External Cache: Disabled Enabled Boot Up Features Quick Power On Self Test:...

  • Page 33: Ide Hdd Block Mode

    BIOS Setup If set to high speed, the system will run at high speed immediately after power on. IDE HDD Block Mode: Disabled Enabled This feature enhances hard disk performance by making multisector transfers instead of one sector per transfer. Most IDE drives, except very early designs, can use this feature.
  • Page 34 Mylex MGPS-PNTM System Board Security Option System: Setup System Setup: The system will boot but access to the BIOS setup will be denied until the correct password is entered. System: The system will not boot and access to the BIOS setup will be denied until the correct password is entered.

  • Page 35: Chipset Features Setup

    BIOS Setup Chipset Features Setup Choose Chipset Features Setup from the CMOS Setup Utility menu to display the screen in Figure 4-4. This sample screen contains the manufacturer's default values for the system board. ROM PCI/ISA BIOS (2A5IAC31) CHIPSET FEATURES SETUP AWARD SOFTWARE, INC.

  • Page 36: Power Management Setup

    Mylex MGPS-PNTM System Board Power Management Setup Choose Power Management Setup from the CMOS Setup Utility menu to display the screen in Figure 4-5. This menu provides the Green PC power management features. ROM PCI/ISA BIOS (2A5IAC31) POWER MANAGEMENT SETUP AWARD SOFTWARE, INC.
  • Page 37 BIOS Setup Power Management Timers The four Power Management timer modes are set by pressing the ↑↓→← directional arrow keys ( ). The four modes are: • Disable • Max. Saving • Min. Saving • User Define Disable Mode This mode disables the power management function; the system will be in the non-green operation mode.
  • Page 38 Mylex MGPS-PNTM System Board The entry period of this flexible HDD Off timer is 1 to 15 minutes. Once the system stops reading from or writing to the HDD, the standby timer starts counting. If there is no activity and the defined timeout period expires, the system will shut off the HDD power.

  • Page 39: Power Management Events

    BIOS Setup Power Management Events Power Management Events include: • Local Master • Local Device • Video Activities • DMA Activities • IRQ1 through IRQ15 The IRQ8 (RTC, OS2) default setting is disabled in order to make sure that the Power Management mode can be executed under OS2. You can customize a combination of PM Events by selecting “Enable”, which will be checked whether or not the related function is still working before the respective defined power management mode is asked to be motivated.
  • Page 40 Mylex MGPS-PNTM System Board Video Off method Blank Screen V/H SYNC+Blank Blank: The system BIOS will blank the screen when disabling video. V/H SYNC+Blank: The system BIOS will only blank the screen and turn off the V/SYNC and H-SYNC signals from the VGA card to the monitor.

  • Page 41: Pci & Onboard I/O Setup

    BIOS Setup PCI & Onboard I/O Setup This section provides information for configuring the PCI and Onboard I/O features. Choose PCI & Onboard I/O Setup option from the CMOS Setup Utility to display the menu shown in Figure 4-6. Set all INT#'s to Auto. All PCI adapters should use INTA. The BIOS will route each INTA to correspond to the IRQ automatically.
  • Page 42 Mylex MGPS-PNTM System Board Slot 1 Slot 2 Slot 3 1st Available IRQ 2nd Available IRQ 3rd Available IRQ 4th Available IRQ PCI IRQ Activated By Level Edge To tell the chipset if the IRQ signals input is level or edge trigger.
  • Page 43 BIOS Setup Load Setup Defaults Select the Load Setup Defaults option from the CMOS Setup Utility menu to configure the BIOS to load the system defaults directly from CMOS. If the configured setup record created by the Setup program becomes corrupted (and therefore unusable), the system defaults will be loaded automatically when you turn the computer on.
  • Page 44 Mylex MGPS-PNTM System Board IDE Hard Disk Auto Detection This utility automatically detects the IDE hard disk type; use this to confirm your hard disk data when it is unknown. Select the IDE HDD Auto Detection from the CMOS Setup Utility menu. Upon detection, the HDD type and peripheral data will be displayed.
  • Page 45 BIOS Setup Hard Disk Low Level Format This utility is the drive setup software used for low-level format before DOS FDISK and FORMAT or similar utilities. You can use this utility on MFM encoded hard disk drives if they require formatting but have not been low-level formatted by the manufacturer.
  • Page 46 Mylex MGPS-PNTM System Board 4-18 Manual No. 771946-D01, Apr. 1995...

  • Page 47: Updating The System Bios

    Appendix A Updating the System BIOS This appendix provides instructions on how to update the system BIOS using the FLASH ROM BIOS feature, which permits you to update the BIOS without exchanging EPROM chips. Upon receipt of a manufacturer's or dealer's diskette containing the BIOS update data, perform the following to update the BIOS: 1.
  • Page 48 Mylex MGPS-PNTM System Board will appear at the bottom of the screen to prompt if you want to save the (current) BIOS data. 6. Press Y if you want to save the previous BIOS to the BIOS data diskette. Press N if you do not want to save the previous BIOS data.
  • Page 49 Switch JP21: Reserved JP23: Turbo LED JP26: External Speaker JP25: Turbo Switch Cache Size Selection (JP7, JP8) System Clock Speed (JP10, JP11) JP24: System Reset Switch 256KB 512KB 75MHz 90MHz 100MHz JP10 Open Open Short MGPS-PNTM System Board PCB Revision...

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