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Intel AN430TX Specification Update

Intel motherboard specification update
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See also: Technical Product Specification
AN430TX
Motherboard
Specification Update
Release Date: September 1998
Order Number: 674301-016
The AN430TX motherboard may contain design defects or errors known as errata which may
cause the product to deviate from published specifications. Current characterized errata are
documented in this Specification Update.

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Summary of Contents for Intel AN430TX

  • Page 1 Specification Update Release Date: September 1998 Order Number: 674301-016 The AN430TX motherboard may contain design defects or errors known as errata which may cause the product to deviate from published specifications. Current characterized errata are documented in this Specification Update.
  • Page 2 Intel products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right. Intel products are not intended for use in medical , life saving, or life sustaining applications.

  • Page 3: Table Of Contents

    CONTENTS REVISION HISTORY ...v PREFACE ... vi Specification Update for AN430TX Motherboards GENERAL INFORMATION ...3 SPECIFICATION CHANGES ...9 ERRATA...10 SPECIFICATION CLARIFICATIONS...16 DOCUMENTATION CHANGES ...18...
  • Page 4 This is a blank page...

  • Page 5: Revision History

    REVISION HISTORY Date of Revision Version May 1997 -001 This document is the first Specification Update for the Intel AN430TX motherboard. June 1997 -002 Added Specification Change 1, Specification Clarifications 1-3 and Documentation Changes 1-3. July 1997 -003 Added Erratum 4, Specification Clarification 4 and Documentation Changes 4-9.

  • Page 6: Preface

    Pentium processor. Items contained in the Pentium Processor Specification Update that either do not apply to the AN430TX motherboard or have been worked around are noted in this document. Otherwise, it should be assumed that any processor errata for a given stepping are applicable to the Printed Board Assembly (PBA) revision(s) associated with that stepping.

  • Page 7: Specification Update For An430Tx Motherboards

    Specification Update for AN430TX Motherboards...
  • Page 8 This is a blank page...

  • Page 9: General Information

    The following errata contained in Part I of the Pentium Processor Specification Update (Order Number 242480) either do not apply to the AN430TX motherboard or have been worked around in this PBA and/or BIOS revision: 5, 7, 9-11, 13-14, 16-17, 29, 31, 34, 36-37, 39, 40, 46, 48-50, 58, 60-64, 66-67, 69, 71, all DP errata, all AP errata, all TCP errata. All other errata in Part I may apply to this revision level of the motherboard, depending on the stepping of the processor or the specific software that is being executed.
  • Page 10 The following table indicates the Specification Changes, Errata, Specification Clarifications, or Documentation Changes which apply to the AN430TX motherboard. Intel intends to fix some of the errata in a future revision of the motherboard, and to account for the other outstanding issues through documentation or specification changes as noted.
  • Page 11 Revision of Section 3.1.12, “USB Support” Addition of “BIOS Beep Codes” section Revision of Section 3.1.4, “PCI IDE Support” Revision of video memory address Change to description of Manufacturing Options Addition of section describing real time clock AN430TX SPECIFICATION UPDATE ERRATA SPECIFICATION CLARIFICATIONS DOCUMENTATION CHANGES...
  • Page 12 AN430TX SPECIFICATION UPDATE The errata described in this specification update apply to combinations of PBA revision and BIOS revision as shown in the table below. Descriptions of the individual errata referred to by number in the table below are found in the ERRATA section of this document.
  • Page 13 4A3NT0X0.86A.0088.P09 680904-303 4A3NT0X0.86A.0042.P02 4A3NT0X0.86A.0047.P03 4A3NT0X0.86A.0062.P06 4A3NT0X0.86A.0082.P07 4A3NT0X0.86A.0086.P08 4A3NT0X0.86A.0088.P09 AN430TX SPECIFICATION UPDATE Errata That Apply ‡ 1-3, 5-15, 17-18, 20-21 ‡ 1-3, 5-15, 17-18, 20-21 1-2, 5-6, 8, 10-11, 14-15, 17-18, 20- 1-2, 6, 8, 10-11, 14-16, 18-21 1-2, 6, 8, 10-11, 14-16, 19-21 1-2, 6, 8, 10-11, 14-15, 20-21 ‡...
  • Page 14 AN430TX SPECIFICATION UPDATE PBA Revision 680904-304 4A3NT0X0.86A.0042.P02 4A3NT0X0.86A.0047.P03 4A3NT0X0.86A.0062.P06 4A3NT0X0.86A.0082.P07 4A3NT0X0.86A.0086.P08 4A3NT0X0.86A.0088.P09 680904-305 4A3NT0X0.86A.0042.P02 4A3NT0X0.86A.0047.P03 4A3NT0X0.86A.0062.P06 4A3NT0X0.86A.0082.P07 4A3NT0X0.86A.0086.P08 4A3NT0X0.86A.0088.P09 NOTE: ‡ This combination of BIOS revision and PBA revision has not undergone regression testing. Use of a PBA with down- revision BIOS is an untested combination and is undertaken at the user’s risk.

  • Page 15: Specification Changes

    SPECIFICATION CHANGES The Specification Changes listed in this section apply to the AN430TX Motherboard Technical Product Specification (Order Number 282955). All Specification Changes will be incorporated into a future version of that specification. Support for 233 MHz Pentium processors with MMX technology Support for 233 MHz Pentium processors with MMX 680904-302 and higher.

  • Page 16: Errata

    TATUS Audio Driver Does Not Support Windows* 3.x Session Within OS/2* Warp* The AN430TX motherboard audio drivers for OS/2* Warp* or Windows* 3.x do not support audio ROBLEM during a Windows 3.x session within OS/2 Warp. No audio is available during a Windows 3.x session within OS/2 Warp. Normal audio support MPLICATION will be available in native OS/2 Warp.

  • Page 17: Memory Decrease Warning Message Not Displayed

    3 to 4 weeks if left in this state. Reapplying AC power eliminates the excessive battery drain condition. A battery that has been completely drained will cause a CMOS checksum error to be displayed the next time that the system is powered on. AN430TX SPECIFICATION UPDATE...

  • Page 18: Bios Setup

    AN430TX SPECIFICATION UPDATE None. ORKAROUND This erratum was fixed in PBA revision 669379-306. TATUS LS-120 Drive Does Not Work as Expected in Windows* 95 After restarting Windows* 95 from MS-DOS* mode, the system BIOS does not configure the ROBLEM diskette parameter table correctly if an LS-120 drive is the only floppy drive in the system.

  • Page 19: System Bios May Corrupt Audio Add-In Card Eeprom

    Only 16 MB of the memory will be reported by the power on self-test (POST). The additional MPLICATION memory will not be available to the operating system. This erratum applies only to BIOS revision 4A3NT0X0.86A.0082.P07 and later. None. ORKAROUND This erratum was fixed in BIOS revision 4A3NT0X0.86A.0088.P09. TATUS AN430TX SPECIFICATION UPDATE...

  • Page 20: System Will Not Boot With Network As First Boot Device

    AN430TX SPECIFICATION UPDATE System Will Not Boot with Network as First Boot Device The feature allowing the system to boot from the network is not implemented. After the attempt ROBLEM to boot from a network device selected as the first boot device fails, the system BIOS does not attempt to boot from any additional boot devices specified in the BIOS Setup program.
  • Page 21 BIOS attempts to initialize an ISA video adapter. This erratum does not affect PCI video adapters. A user who requires an ISA video adapter will not be able to use the scan user flash area MPLICATION option. None. ORKAROUND This erratum will not be fixed. TATUS AN430TX SPECIFICATION UPDATE...

  • Page 22: Specification Clarifications

    PCI 2.1 Specification Optional Features The following will be added to Section 1.12, Add-in Board Expansion Connectors: The following optional features in the PCI 2.1 Specification are not implemented on the AN430TX motherboard: Cache Support Pins SBO# and SDONE (Section 2.2.7) PRSNTx# (Section 2.2.8)

  • Page 23: Power Supply Considerations

    Power Supply Considerations The AN430TX motherboard has been designed to be configured in a system that uses a power supply that complies with the recommendations of ATX Specification Version 2.01. See Documentation Change 10 for the specific recommendations that must be met by a power supply for the motherboard.

  • Page 24: Documentation Changes

    AN430TX SPECIFICATION UPDATE DOCUMENTATION CHANGES The Documentation Changes listed in this section apply to the AN430TX Motherboard Technical Product Specification (Order Number 282955). All Documentation Changes will be incorporated into a future version of the appropriate AN430TX motherboard documentation. Revision of Section 1.6.1, Main Memory This section will be replaced in its entirety as follows: The motherboard has two 168-pin DIMM sockets.
  • Page 25 One of the PCI slots may be shared with an ISA slot. Revision of Section 1.13.1, Processor Configuration (J9C1-C, D) The following note will be added to the bottom of Table 30 in this section: NOTE: Pins 1, 2 and 3 on Jumper J9C1-C are not used. AN430TX SPECIFICATION UPDATE...
  • Page 26 EDO DIMM should meet the Intel 60 ns 64-bit 3.3 V unbuffered EDO DIMM v1.2 specification. CAUTION Due to loading anomalies, using EDO DIMMs with a n x 4 DRAM base in the AN430TX motherboard is not recommended. For example, a DIMM that uses sixteen 16 Mbit x 4 devices should not be used.
  • Page 27 An external ROM module (e.g video BIOS) can also issue audible errors, usually consisting of one long tone followed by a series of short tones. For more information on the beep codes issued, check the documentation for that external device. AN430TX SPECIFICATION UPDATE...
  • Page 28 AN430TX SPECIFICATION UPDATE There are several POST routines that issue a POST Terminal Error and shut down the system if they fail. Before shutting down the system, the terminal-error handler issues a beep code signifying the test point error, writes the error to I/O port 80h, attempts to initialize the video and writes the error in the upper left corner of the screen (using both mono and color adapters).

  • Page 29: Revision Of Video Memory Address

    The following will be added as the first paragraph of Section 1.2, Motherboard Manufacturing Options: The following are manufacturing options. Not all manufacturing options are available in all marketing channels. Please contact your Intel representative to determine what manufacturing options are available to you.
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