INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1 ® Technical Product Summary TM Classic/PCI i486 Baby-AT Motherboard Models: BP4S33AT BP4D33AT BP4D266AT Preliminary Version 0.
INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1 Intel Corporation makes no warranty for the use of its products and assumes no responsibility for any errors which may appear in this document nor does it make a commitment to update the information contained herein. Intel Corporation retains the right to make changes to these specifications at any time, without notice. Contact your local sales office to obtain the latest specifications before placing your order.
INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1 Classic/PCI i486 Baby-AT Motherboard Preliminary Technical Product Summary Revision 0.1 Table of Contents Introduction......................................................................................................................................... 4 Baby-AT Form Factor................................................................................................................... 4 Board Level Features .............................
INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1 Floppy Connector (J9F2) ...................................................................................................................... 21 IDE Connector (J9F3)........................................................................................................................... 21 ISA Connector (J6G2, J6G1, J5G1, J4G1, J1G1) ..................................................................................
INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1 Introduction The Classic/PCI i486 Baby-AT Motherboard delivers excellent, cost effective performance in a very affordable i486 platform. A wide range of CPU offerings provides immediate performance flexibility, and a single 238-pin blue OverDrive Ready ZIF (Zero Insertion Force) processor socket allows upgrades to higher performance in the future.
INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1 Board Level Features CPU The Classic/PCI i486 Baby-AT motherboard has a wide price/performance range to meet a variety of customer needs. Four base CPU options are available: • an i486 SX running at 33 MHz; • an i486 DX at 33 MHz; • an i486 DX2 at 66 MHz; or • a next generation i486 processor operating at 3.3V internally, and 33 MHz bus speed The Classic/PCI i486 Baby-AT motherboard supports all of the functionality of the i486.
INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1 The auto-configuration routine operates in conjunction with an ISA configuration utility. This utility enables the user to specify the ISA options used, and ties into the PCI configuration software transparently to provide seamless add-in card installation. SETUP UTILITY Classic/PCI i486 Baby-AT incorporates many commonly used system setup features into the FLASH EEPROM.
INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1 • The FLASH BIOS can be updated from a file on a disk; • The current BIOS code can be copied from the FLASH EEPROM to a disk file as a backup in the event that an upgrade cannot be successfully completed; and • The BIOS in the FLASH device can be compared with a disk file to ensure the system has the correct BIOS version. FLASH USER AREA Classic/PCI i486 Baby-AT supports a 4 KB programmable Flash User area located at ED000H-EDFFFH.
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INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1 FRONT PANEL CONNECTORS A connector (J1C1) is provided for installing a speaker. The speaker provides error beep code information during the Power-On Self Test if the system cannot use the video interface. The Classic/PCI i486 Baby-AT product guide contains beep and error code information.
INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1 System Integration Features BACK PANEL CONNECTIONS The back panel provides external access to the keyboard controller integrated on the Classic/PCI i486 Baby-AT motherboard. Figure 4 shows the back panel connections. Keyboard connector Figure 2.
INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1 Appendices APPENDIX A − USER-INSTALLABLE UPGRADES SYSTEM MEMORY Table A-1 shows the total system memory based on the listed combinations of SIMMs in the four SIMM sockets.
INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1 PERFORMANCE UPGRADE There are several CPU upgrade paths. If you have an i486 SX processor, you can upgrade it with an Intel487 SX, an i486 DX processor, an i486 DX2, or an OverDrive Processor (including Pentium processor-based OverDrive components, when available). Systems with an i486 DX can be upgraded with i486 DX2 or OverDrive components, and an i486 DX2 can be upgraded with the Pentium CPU-based OverDrive component when available.
INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1 APPENDIX B − JUMPERS All the configuration jumpers on Classic/PCI i486 Baby-AT motherboard are the three pin, two position type. These sit side by side in a 2x3 jumper block. The jumper description below assumes a particular point of reference in viewing the motherboard. Position the board or system so that the CPU and Cache Rams are at the front nearest you, the Dram SIMMs should be to the right.
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INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1 APPENDIX D − BIOS RECOVERY The Classic/PCI i486 Baby-AT incorporates an AMI system BIOS on a FLASH component. FLASH BIOS allows easy upgrades without the need to replace an EPROM. The upgrade utility fits on a floppy diskette and provides the capability to save, verify, and update the system BIOS. The upgrade utility can be run from a hard drive or a network drive, but no memory managers can be installed during upgrades.
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INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1 APPENDIX H − CONNECTORS AT STYLE KEYBOARD PORT (J8L1 = KEYBOARD) Pin Number Signal Name 1 2 Clock Data 3 No Connect 4 Ground 5 Vcc (fused) Table H-1. AT Style Keyboard Connector Pin Definition OPTIONAL PS/2 STYLE KEYBOARD, MOUSE PORTS (J8L2 = KEYBOARD, J9L1 = MOUSE) Pin Number Signal Name 1 2 Data No Connect 3 Ground 4 Vcc (fused) 5 Clock 6 No Connect Table H-2.
INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1 Pin Name Function 1 2 PWRGD +5 V Power Good + 5 volts Vcc 3 +12 V + 12 volts 4 -12 V - 12 volts 5 GND Ground 6 GND Ground 7 GND Ground 8 GND Ground 9 -5 V -5 volts 10 +5 V + 5 volts Vcc 11 +5 V + 5 volts Vcc 12 +5 V + 5 volts Vcc Table H-8. Power Connector Pin Definition AUXILIARY (3.3V) POWER CONNECTOR (J4H1) Pin Name Function 1 2 GND GND Ground Ground 3 GND Ground 4 +3.3 V + 3.3 volts +3.
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INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1 GND A56 B56 AD3 AD2 A57 B57 GND AD0 A58 B58 AD1 Vcc A59 B59 Vcc SREQ64- A60 B60 SACK64- Vcc A61 B61 Vcc Vcc A62 B62 Table H-16.
INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1 APPENDIX I − BABY-AT CHASSIS SUPPLIERS Axxion Group Corporation 11 B.
INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1 APPENDIX J − ENVIRONMENTAL STANDARDS Parameter Condition Specification Non-Operating -40oC to +70oC Operating +0oC to +55oC Non-Operating 92% Relative Humidity max. @ 36oC Operating 80% Relative Humidity max. @ 36°C Non-Operating 50,000 feet (15,240 meters) Operating 10,000 feet (3048 meters) 1.0kV No Errors 2.5kV No Errors Temperature Humidity Altitude ESD Shock 5.
INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1 APPENDIX K − RELIABILITY DATA This Mean-Time-Between-Failures (MTBF) data is calculated from predicted data @ 35C.
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INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1 APPENDIX N − CUSTOMER SUPPORT The Classic/PCI i486 Baby-AT is backed by Intel's industry-leading support groups in the OEM Products and Services Division (OPSD), including IntelTechDirect . OPSD can support many of your network integration and service needs, including worldwide integration and system repair services.
INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1 APPENDIX O − PHYSICAL DIMENSIONS BOARD Length xxx cm 10.5" Width xxx cm 9.1" Table O-1. Board Outline Dimensions Figure O-1.
INTEL OEM PRODUCTS AND SERVICES DIVISION PRELIMINARY - REV 0.1 APPENDIX P − PRODUCT CODES BOARDS BP4S33ATC8 Classic/PCI i486SX/33 Baby-AT, 128K cache, 8M memory BP4D33ATC8 Classic/PCI i486DX/33 Baby-AT, 128K cache, 8M memory BP4D266ATC8 Classic/PCI i486DX2/66 Baby-AT, 128K cache, 8M memory (All boards are bulk shipped in quantities of 10) ACCESSORIES Accessory kit includes: DOCUMENTATION The Classic/PCI i486 Baby-AT board ships with a product guide.
