Asus TX97-N User Manual
Asus TX97-N User Manual

Asus TX97-N User Manual

Pentium nlx motherboard
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TX97-N
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Pentium
NLX Motherboard
®
USER'S MANUAL

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Summary of Contents for Asus TX97-N

  • Page 1 TX97-N Pentium NLX Motherboard ® USER’S MANUAL...
  • Page 2 Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing.
  • Page 3: Asus Contact Information

    +1-408-474-0569 Email: tsd-usa@asus.com.tw WWW: www.asus.com ASUS COMPUTER GmbH Marketing Info Address: Harkort Str. 25, 40880 Ratingen, BRD, Germany Telephone: 49-2102-445011 Fax: 49-2102-442066 Email: info-ger@asus.com.tw Technical Support Hotline: 49-2102-499712 BBS: 49-2102-448690 Email: tsd-ger@asus.com.tw WWW: www.asuscom.de FTP: ftp.asuscom.de/pub/ASUSCOM ASUS TX97-N User’s Manual...
  • Page 4: Table Of Contents

    How this manual is organized ............7 Item Checklist .................. 7 II. FEATURES ..................8 Features of the ASUS TX97-N Motherboard ........8 Parts of the ASUS TX97-N Motherboard ........9 Riser Card Front ................. 9 Riser Card Back ................. 9 III.
  • Page 5 ASUS PCI-SC200 & PCI-SC860 SCSI Cards ......55 Setting Up the ASUS PCI-SC200 & PCI-SC860 ..... 56 Setting the INT Assignment for the ASUS PCI-SC200 ... 56 Terminator Requirements for SCSI Devices ......56 Terminator Settings for the ASUS PCI-SC860 ......57 Terminator Settings for the ASUS PCI-SC200 ......
  • Page 6: Federal Communications Commission Statement

    Canadian Department of Communications Statement This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Cana- dian Department of Communications. ASUS TX97-N User’s Manual...
  • Page 7: Introduction

    Support Software: Information on the included support software VI. ASUS SCSI Cards: Installation of ASUS SCSI cards (optional) VII. ASUS L101 Card: Installation of the ASUS LAN card (optional) Item Checklist Please check that your package is complete. If you discover damaged or missing items, please contact your retailer.
  • Page 8: Features

    II. FEATURES Features of the ASUS TX97-N Motherboard The ASUS TX97-N motherboard is carefully designed for the demanding PC user who wants many features in a small package, namely: • Mini NLX: Features ASUS’ custom designed mini-NLX form factor. •...
  • Page 9: Parts Of The Asus Tx97-N Motherboard

    II. FEATURES Parts of the ASUS TX97-N Motherboard TV Out RCA T: Parallel Conn. TV Out S-Video Joystick/MIDI Conn.(optional) COM 1 B: Serial Conn. COM 2 Conn.(optional) Connector Connector T: PS/2 Mouse B: PS/2 Keyboard LCD Panel Connector ATI 3D Rage...
  • Page 10: Installation

    III. INSTALLATION ASUS TX97-N Motherboard Layout Parallel Port PS/2 SVHS Joystick/MIDI TV Out TV Out COM 1 COM 2 (TV Out is optional) MOUSE (TOP PORT) KEYBOARD (BOTTOM) Audio Conn. 512KB onboard VGA Memory 512KB onboard CPU Voltage VGA Memory...
  • Page 11 28 Back Panel Audio Connectors (10-1 pin Block) 18) CPU_FAN p. 28 CPU Fan Power (3-pin Block) 19) VGA Memory p. 29 Onboard VGA Memory Expansion Sockets (40 pins) 20) CDROM p. 29 CD-ROM Drive Connector (50-1 pins) ASUS TX97-N User’s Manual...
  • Page 12: Installation Steps

    3. Hold components by the edges and try not to touch the IC chips, leads or connectors, or other components. 4. Place components on a grounded antistatic pad or on the bag that came with the component whenever the components are separated from the system. ASUS TX97-N User’s Manual...
  • Page 13: Jumper Settings

    BIOS to “Load Setup Defaults” and re-enter any user information after removing and reapplying this jumper. RTC RAM RTCLR Operation [2-3] (Default) Clear Data [1-2] (momentarily) RTCLR RTCLR Battery Test Clear Data Operation (Default) Real Time Clock (RTC) RAM ASUS TX97-N User’s Manual...
  • Page 14 68MHz 75MHz Match the table’s Ratio column CPU External Clock (BUS) Frequency Selection to these CPU types: WARNING! Frequencies above 66MHz exceed the specifications for the onboard Intel Chipset and are not guaranteed to be stable. ASUS TX97-N User’s Manual...
  • Page 15 The only IBM/Cyrix 6x86(L) (or M1) that is sup- ported on this motherboard is rev 2.7 or later. Look on the un- derside of the CPU for the serial number. The number should read G8DC6620A or later. ASUS TX97-N User’s Manual...
  • Page 16 [1-2] [2-3] [2-3] AMD (.25micron) K6-233,266,300 ---- 2.1V(Dual) [1-2] [2-3] [2-3] 2.1/2.9 Volts 2.8/3.4 Volts 3.2 Volts 3.5 Volts Note: Auto-voltage detection regulators allow some jumper settings to be the same for two voltages. Voltage Regulator Output Selection ASUS TX97-N User’s Manual...
  • Page 17: System Memory (Dimm)

    • BIOS shows EDO or SDRAM memory on bootup screen. • 8 chip/side modules do not support parity, only 9 chip/side modules support parity. • Single sided modules are usually 16 or 64 MB, double sided are usually 8, 32, or 128MB. ASUS TX97-N User’s Manual...
  • Page 18: Dimm Memory Installation Procedures

    DIMM slot on the motherboard. You must ask your retailer for the specifications before purchasing. Four clock signals are supported on this motherboard. ASUS TX97-N User’s Manual...
  • Page 19: Central Processing Unit (Cpu)

    CPU. Once completely inserted, hold down on the fan and close the socket’s lever. IMPORTANT: You must set jumpers for “CPU to BUS Frequency Ratio” and jumpers for “BUS Frequency Selection” depending on the CPU that you install. ZIF Socket 7 with Pentium MMX Processor ASUS TX97-N User’s Manual...
  • Page 20: Expansion Cards

    Both ISA and PCI expansion cards may need to use IRQs. System IRQs are avail- able to cards installed in the ISA expansion bus first, and any remaining IRQs are then used by PCI cards. Currently, there are two types of ISA cards. ASUS TX97-N User’s Manual...
  • Page 21: Assigning Dma Channels For Isa Cards

    Used By ISA and DMA x Used By ISA for those IRQs and DMAs you want to reserve). ISA Cards and Hardware Monitor The onboard hardware monitor uses the address 290H-297H so legacy ISA cards must not use this address or else conflicts will occur. ASUS TX97-N User’s Manual...
  • Page 22: External Connectors

    IRQ12. See “PS/2 Mouse Control” in BIOS Features Setup of the BIOS SOFTWARE. PS/2 Mouse (6-pin Female) PS/2 Keyboard (6-pin Female) 3. Joystick/MIDI Connector (15-pin Female) This connector is for a standard joystick or MIDI device. Joystick/Midi (15-pin Female) ASUS TX97-N User’s Manual...
  • Page 23 VGA Monitor (15-pin Female) 7. TV Out Connectors (RCA and 4-pin Female S-Video) (optional) These connectors are for displaying on a television using the RCA connector or the S-Video connector. TV Out Connectors S-Video (4-pin Female) ASUS TX97-N User’s Manual...
  • Page 24 IMPORTANT: Be sure that the NLX power supply can deliver at least 720mAmp on the 5volt standby lead (5VSB). You may experience difficulty in powering on your system without this specification. NLX Power Connector ASUS TX97-N User’s Manual...
  • Page 25 Floppy Disk Drive Connector 13. LAN Activity Connectors (2-pin LAN_LED & 3-pin WOL_CON) These connectors support Local Area Network (LAN) cards such as the ASUS PCI-L101 with output signals for data transfer activity. The LAN_LED connec- tor allows the front panel LED to blink during transfer activity between the network and the computer.
  • Page 26 This connector is used to connect the front panel microphone jack to the moth- erboard through a ribbon cable. Riser Card Front The front panel’s 1/8inch micro- phone jack connects to the riser card through a ribbon cable. Riser Slot Front Panel Microphone Jack ASUS TX97-N User’s Manual...
  • Page 27: Front Panel Descriptions

    Accepts a 1/8inch connector from a microphone or other audio source. L. USB Port1 and Port 2 Accepts 15 USB devices on each port. M. Infrared Window Allows transmission and reception of infrared signals by the onboard module. ASUS TX97-N User’s Manual...
  • Page 28 Speaker Out Line Out Line In Audio Jack Connector 18. CPU Fan Connector (3-pin) This connector support a cooling fan of 500mAMP (6WATT) or less. CPU Fan Power Ground +12 Volt (NC) 12Volt Cooling Fan Power ASUS TX97-N User’s Manual...
  • Page 29 VGA memory to 2MB. 20. CD-ROM Connector (50-1 pin CDROM) This is a proprietary CD-ROM connector which requires a converter in order to attach to a slim CD-ROM. Only a slim CD-ROM will fit in the NLX system housing. ASUS TX97-N User’s Manual...
  • Page 30 ASUS TX97-N User’s Manual...
  • Page 31: Power Connection Procedures

    The operating system will close Windows 95/NT and power off your computer. NOTE: The message, It’s now safe to turn off your computer, will not be shown in Windows 95/NT when using Shut Down with NLX power supplies. ASUS TX97-N User’s Manual...
  • Page 32: Main Menu

    This motherboard has onboard VGA and Audio which requires a 2Mbit flash ROM. This flash ROM requires PFLASH2.EXE as opposed to PFLASH.EXE as used by other ASUS motherboards with 1Mbit flash ROM. PFLASH2.EXE - This is the Flash Memory Writer utility that updates the BIOS by uploading a new BIOS file to the 2Mbit programmable flash ROM chip on the moth- erboard.
  • Page 33: Advanced Features Menu

    This option erases the Plug-and-Play (PnP) configuration record. 2. Update BIOS Including Boot Block and ESCD This option updates the boot block, the baseboard BIOS, and the PnP extended sys- tem configuration data (ESCD) parameter block from a new BIOS file. ASUS TX97-N User’s Manual...
  • Page 34: Managing And Updating Your Motherboard's Bios

    BIOS to File.” Enter the “Current BIOS Revision:” for the file name. Updating BIOS Procedures (only when necessary) 1. Download an updated ASUS BIOS file from the Internet (WWW or FTP) or a BBS (Bulletin Board Service) (see ASUS CONTACT INFORMATION on page 3 for details) and save to the disk you created earlier.
  • Page 35: Bios Setup

    You can also restart by turning the system off and then back on again. Do this only, however, if the first two methods fail. When you run Setup, the CMOS SETUP UTILITY main program screen will ap- pear with the following options: ASUS TX97-N User’s Manual...
  • Page 36: Load Defaults

    User-configurable fields appear in a different color. If you need information on the selected field, press <F1>. The help menu will then appear to provide you with the information you need. The memory display at the lower right-hand side of the screen is read-only and automatically adjusts accordingly. ASUS TX97-N User’s Manual...
  • Page 37: Details Of Standard Cmos Setup

    (landing zone), SECTOR (number of sectors) and MODE. The SIZE field auto- matically adjusts according to the configuration you specify. The documentation that came with your hard disk should provide you with the information regarding the drive specifications. ASUS TX97-N User’s Manual...
  • Page 38 VGA or any higher resolution card, choose EGA/VGA. Halt On (All Errors) This field determines which types of errors will cause the system to halt. Choose from either All Errors; No Errors; All, But Keyboard; All, But Diskette; or All, But Disk/Key. ASUS TX97-N User’s Manual...
  • Page 39: Bios Features Setup

    SCSI. This allows multiple operating systems to be used on both IDE and SCSI drives or the primary operating system to boot using a SCSI hard disk drive. ASUS TX97-N User’s Manual...
  • Page 40 ROMs on them, you will need to know which addresses the ROMs use to shadow them specifically. Shadowing a ROM reduces the memory available between 640KB and 1024KB by the amount used for this purpose. ASUS TX97-N User’s Manual...
  • Page 41: Chipset Features Setup

    The default setting of 60ns DRAM sets the optimal timings for items 2 through 9 for 60ns DRAM modules. If you are using 70ns DRAM modules, you must change this item to 70ns DRAM. See section III for DRAM installation information. SDRAM CAS# Latency (Leave on default setting of 3T) ASUS TX97-N User’s Manual...
  • Page 42 IV. BIOS SOFTWARE SDRAM CAS# Latency (3T) If you use ASUS SDRAM DIMM modules, you can set this to 2T for better perfor- mance, otherwise leave on default or check with your vendor for DIMM specs. SDRAM Speculative Read (Disabled) If Enabled, the CPU will issue predict commands to access the DRAM, if a miss occurs, the CPU will cancel this command.
  • Page 43 Because each IDE device may have a different Mode timing (0, 1, 2, 3, 4), it is neces- sary for these to be independent. PIO and DMA timings can be independently set. The default setting of Auto will allow autodetection to ensure optimal performance. ASUS TX97-N User’s Manual...
  • Page 44: Power Management Setup

    Video Off Option (Susp,Stby -> Off ) This field determines when to activate the video off feature for monitor power management. The settings are All Modes -> Off; Always On; Suspend -> Off; and Susp,Stby -> Off . ASUS TX97-N User’s Manual...
  • Page 45 You can individually Enable or Disable each IRQ to include in the sleep function. IRQ8 (RTC Alarm) is usually set to Disable so that any software alarm clock or event calendar can wake up the system. ASUS TX97-N User’s Manual...
  • Page 46: Pnp And Pci Setup

    When Plug and Play operating systems (OS) are installed, interrupts may be reas- signed by the OS when Yes is selected. When a non-Plug and Play OS is installed or to prevent reassigning of interrupt settings, select No. ASUS TX97-N User’s Manual...
  • Page 47 IRQs for these devices are, by default, automatically assigned by the BIOS. You may manually select the settings: 5, 7, 9, 10, 11, 12, 14, and 15. If you are not using any USB devices, you may set this field to N/A. ASUS TX97-N User’s Manual...
  • Page 48: Load Bios Defaults

    <Enter>. The system displays a confirmation message on the screen. Press <Y> and then <Enter> to confirm. Press <N> and then<Enter> to abort. This feature does not affect the fields on the Standard CMOS Setup screen. ASUS TX97-N User’s Manual...
  • Page 49: Supervisor Password And User Password

    <Enter> instead of entering a new password when the “Enter Password” prompt appears. A message confirms the password has been disabled. NOTE: If you forget the password, see CMOS RAM in section III for procedures on clearing the CMOS. ASUS TX97-N User’s Manual...
  • Page 50: Ide Hdd Auto Detection

    The autodetection feature can only detect one set of parameters for a particular IDE hard disk. Some IDE drives can use more than one set. This is not a problem if the drive is new and there is nothing on it. ASUS TX97-N User’s Manual...
  • Page 51: Save And Exit Setup

    Select this option to exit the Setup utility without saving the modifications you specify during the current session. To exit without saving, highlight “Exit Without Saving” on the main screen, type “Y”, and then press <Enter>. ASUS TX97-N User’s Manual...
  • Page 52: Support Software

    V. SUPPORT SOFTWARE Desktop Management Interface (DMI) Introducing the ASUS DMI Configuration Utility This motherboard supports DMI within the BIOS level and provides a DMI Con- figuration Utility to maintain the Management Information Format Database (MIFD). DMI is able to autodetect and record information pertinent to a computer’s system such as the CPU type, CPU speed, and internal/external frequencies, and memory size.
  • Page 53: Using The Asus Dmi Configuration Utility

    V. SUPPORT SOFTWARE Using the ASUS DMI Configuration Utility Edit DMI (or delete) Use the (left-right) cursors to move the top menu items and the (up-down) cursor to move between the left hand menu items. The bottom of the screen will show the available keys for each screen.
  • Page 54 You can load the BIOS defaults from a MIFD file and can clear all user modified and added data. You must reboot your computer in order for the defaults to be saved back into the Flash BIOS. ASUS TX97-N User’s Manual...
  • Page 55: Asus Pci Scsi Cards

    SCO UNIX floppy disk. Windows 95 support is also available using the device drivers included within the Windows software. The ASUS PCI-SC200 and ASUS PCI-SC860 are Plug and Play adapters that are auto detected by BIOS and current operating systems that support Plug and Play features.
  • Page 56: Setting Up The Asus Pci-Sc200 & Pci-Sc860

    VI. ASUS PCI SCSI Cards Setting Up the ASUS PCI-SC200 & PCI-SC860 There are two jumper settings you may need to make on the ASUS PCI-SC200 to set it up. One setting assigns the PCI INT interrupt, the other sets the card’s termination.
  • Page 57: Terminator Settings For The Asus Pci-Sc860

    VI. ASUS PCI SCSI Cards Setting Up the ASUS PCI-SC200 & PCI-SC860 There are two jumper settings you may need to make on the ASUS PCI-SC200 to set it up. One setting assigns the PCI INT interrupt, the other sets the card’s termination.
  • Page 58: Scsi Id Numbers For Scsi Devices

    SCSI identification number that is not in use by any other SCSI device. There are eight possible ID numbers, 0 through 7. The ASUS PCI-SC200 and ASUS PCI-SC860 cards have fixed SCSI IDs of 7. The SCSI ID serves two purposes: •...
  • Page 59: Asus Lan Card

    Motherboard type Other If you are using the ASUS PCI-L101 on an ASUS motherboard, leave the jumper on its defaut setting of “ASUS.” If you are using another brand of motherboard, set the jumper to “Other.” Connect the Wake on LAN (WOL) output signal to the riser card’s WOL_CON in order to utilize the wake on LAN feature of the motherboard.
  • Page 60: Features

    A: To enable Wake-On-LAN function, your system requires Ethernet LAN adapter card that can activate Wake-On-LAN function, a client with Wake-On-LAN ca- pability, and software such as LDCM Rev. 3.10 or up that can trigger wake-up frame. ASUS TX97-N User’s Manual...

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