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SB-6862

The I/O Address Map

Address (hex)

Function

000-01F

DMA #1

020-03F

INTR #1

040-05F

Timer

060-06F

Keyboard

070-07F

NMI mask register

080-09F

DMA page register

0A0-OBF

INTR #2

0C0-ODF

DMA #2

0F0-0F1

Clr/rst math coprocessor

0F8-0FF

Math coprocessor

1F0-1F8

Fixed disk

200-207

Joystick

278-27F

Secondary parallel port

2F8-2FF

Secondary serial port

300-31F

Prototype card

378-37F

Primary parallel port

380-38F

SDLC (secondary bisynchronous)

3A0-3AF

Primary bisynchronous

3B0-3BF

Monochrome display/printer adapter

3D0-3DF

Color/graphics monitor adapter

3F0-3F7

Diskette controller

3F8-3FF

Primary serial port

Summary of Contents for SB-6862

Page 1: ...i SB 6862 Technical Reference SB 6862 Dual Pentium Pro Single Board Computer with Natoma Chipset 1641 McGaw Avenue Irvine California 92614...

Page 2: ...ii SB 6862...

Page 3: ...pgradeable to 1 GB using x 64 or x 72 dual inline memory modules DIMM Processor facilitated error correcting memory ECC using x 72 DIMM Processor based cache 256 KB or 512 KB on board On board E IDE c...

Page 4: ...re is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radioor television reception which can be determined by turning th...

Page 5: ...or modifications not expressly approved by the grantee of this device could void the user s authority to operate the equipment Note If you have purchased the miniature tower system please note the fo...

Page 6: ...ED BY THE MANUFACTURER DISCARD USED BATTERIES ACCORDING TO THE MANUFACTURER S INSTRUCTIONS ATTENTION IL Y A DANGER D EXPLOSION S IL Y A REMPLACEMENT INCORRECT DE LA BATTERRIE REMPLACER UNIQUEMENT AVEC...

Page 7: ...e of this material All rights reserved No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means mechanical photocopying recording or otherw...

Page 8: ...viii SB 6862...

Page 9: ...al Bus Connectors J3 J4 6 Fan Connectors JP18 JP45 7 Jumpers 8 Processor Bus Clock Speed JP4 JP3 8 Processor Bus Frequency JP26 JP27 9 Processor Speed Ratio JP32 JP31 JP30 JP29 10 System Memory 11 Ins...

Page 10: ...x SB 6862...

Page 11: ...n and brief description of the board Connectors description of connector locations and functions on the board Jumpers detailed description of the jumpers used to the board System Memory detailed descr...

Page 12: ...us Superscalar Architecture Capability for executing two instructions in parallel Pipelined Floating Point Unit Separate 8 KB Code and 8 KB Data Caches total 16 L1 cache 256 KB or 512 KB internal L2 c...

Page 13: ...1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 FLASH U57 U58 U59 U60 JP45 J P 2 6 JP27 JP32 JP31 JP30 JP29 JP46 JP47 JP15 JP43 JP16 J P 4 2 J3 J4 JP1 JP2 JP7 JP6 J97 JP24 J 6 7 J68 J12 J11 J8 FLOPPY IDE...

Page 14: ...e regulator module installed on the board ensures that the correct voltage is provided to the particular processor installed When up grading to the faster grade of Pentium processor make sure to have...

Page 15: ...PCI IDE drive controller Pin 1 is marked When connecting your hard drive orient the cable s pin one with pin 1 of J11 Pin Assignment Pin Assignment 1 Clock 4 Ground 2 Data 5 5 Vdc 3 Not used Connecto...

Page 16: ...Parallel Port DB1 DB1 provides the connection for the board s parallel port Serial Port 1 Connector J98 J98 provides the connection for serial port 1 COM 1 Serial Port 2 Connector J97 J97 provides the...

Page 17: ...Fan Connectors JP18 JP45 These fans provide cooling for the powerful Pentium Pro processors JP45 connects to the primary processor s fan JP18 connects to the dual processor fan Pin Assignment 1 12 vol...

Page 18: ...JP3 Pentium Pro processors are designed with one of two bus clock speeds The bus clock speed is always a fraction of the processor s internal speed Bus Clock JP4 JP3 Speed 60 MHz IN OUT 66 MHz OUT IN...

Page 19: ...to run at a speed faster than the processor bus These jumpers match the installed processor s speed with single board computer s defined processor speed When upgrading processors you may need to adju...

Page 20: ...10 SB 6862 The following table matches processor speed processor clock and the board s processor bus speed Processor Clock Ratio Processor Type Speed Bus Speed 180 MHz 3x 60 MHz 200 MHz 3x 66 MHz...

Page 21: ...pletely before installing or removing DIMMs The DIMM is held by plastic press clips on both sides of the slot Installing DIMM 1 Hold the DIMM so that the gold tab is pointing toward the slot The DIMM...

Page 22: ...M x 64 72 48 MB 4M x 64 72 1M x 64 72 1M x 64 72 48 MB 2M x 64 72 2M x 64 72 2M x 64 72 48 MB 2M x 64 72 4M x 64 72 48 MB 4M x 64 72 1M x 64 72 1M x 64 72 48 MB 4M x 64 72 2M x 64 72 56 MB 1M x 64 72...

Page 23: ...2 1M x 64 72 1M x 64 72 1M x 64 72 160 MB 16M x 64 72 2M x 64 72 2M x 64 72 160 MB 16M x 64 72 4M x 64 72 160 MB 4M x 64 72 8M x 64 72 8M x 64 72 176 MB 16M x 64 72 2M x 64 72 2M x 64 72 2M x 64 72 19...

Page 24: ...M x 64 72 16M x 64 72 16M x 64 72 16M x 64 72 400 MB 2M x 64 72 16M x 64 72 16M x 64 72 16M x 64 72 416 MB 4M x 64 72 16M x 64 72 16M x 64 72 16M x 64 72 448 MB 32M x 64 72 8M x 64 72 8M x 64 72 8M x...

Page 25: ...stem memory 0A0000 to 0BFFFF 128 KB video display ROM reserved for graphics 0C0000 to 0DFFFF 128 KB I O expansion ROM reserved for ROM on I O 0E0000 to 0EFFFF 64 KB reserved on motherboard duplicate c...

Page 26: ...Check Interrupt Controllers Ctlr 1 Ctlr 2 IRQ0 IRQ1 IRQ2 Interrupts IRQ8 IRQ15 redirected to IRQ2 IRQ8 Real Time clock interrupt IRQ9 Software re directed to INT AH IRQ2 IRQ10 Reserved IRQ11 Reserved...

Page 27: ...docmentation for IRQ information Direct Memory Access The system supports seven DMA channels The first DMA controller holds channels 0 through 3 These channels support 8 bit data transfers between 8 b...

Page 28: ...r rst math coprocessor 0F8 0FF Math coprocessor 1F0 1F8 Fixed disk 200 207 Joystick 278 27F Secondary parallel port 2F8 2FF Secondary serial port 300 31F Prototype card 378 37F Primary parallel port 3...

Page 29: ...his document is an overview of the BIOS To start the program press the Delete key while the system is booting The Utilities menu screen will display Figure 10 The Main Menu AMI HIFLEX SETUP UTILITY VE...

Page 30: ...ry master IDE PCI hard drive Define the parameters of your hard disk and modes The default setting is Auto to auto detect drive type AMI BIOS SETUP STANDARD CMOS SETUP c 1996 American Megatrends Inc A...

Page 31: ...d Note You may also manually enter the hard disk parameters Two helpful tables appear at the end of this section One describes drive parameters and the other is a list of various hard drive parameters...

Page 32: ...1996 American Megatrends Inc All Rights Reserved Quick Boot Enabled Available Options 1st Boot Device IDE 0 Disabled 2nd Boot Device FLOPPY Enabled 3rd Boot Device CDROM Try Other Boot Devices Yes In...

Page 33: ...ADVANCED CHIPSET SETUP c 1996 American Megatrends Inc All Rights Reserved USB Function Disabled Available Options USB KB Mouse Legacy Support Disabled Disabled USB Passive Release Enable Disabled Ena...

Page 34: ...ure 12 The Advanced Setup Menu AMI BIOS SETUP POWER MANAGEMENT SETUP c 1996 American Megatrends Inc All Rights Reserved Standard Power Management Enabled Available Options Advanced Power Mngmt APM Dis...

Page 35: ...SETUP c 1996 American Megatrends Inc All Rights Reserved Plug and Play O S No Available Options PCI Latency Timer PCI Clocks 64 Disabled PCI VGA Palette Snoop Disabled Enabled PCI IDE Bus Master Disab...

Page 36: ...the arrow keys to toggle between options Press Enter to make a selection Figure 16 The Periperals Setup Menu AMI BIOS SETUP PERIPHERALS SETUP c 1996 American Megatrends Inc All Rights Reserved OnBoar...

Page 37: ...27 SB 6862...

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