Performance Computer PT-VME161 User manual

Document Number 126A0190

315 Science Parkway

Performance

A Performance Technologies Company

Rochester, New York USA 14620

Computer

USER’S MANUAL

PT-VME161

Extensible Single Board Computer/Controller

When reviewing this document please note any issues that you may have with the document (errors,

points of confusion, grammar or spelling mistakes, etc.) and contact Technical Publications at (716) 256-

0200 or pccsuppor[email protected]. All comments, suggestions, and criticisms are welcome.

315 Science Parkway, Rochester, New York 14620

Trademarks

Microware and OS-9 are trademarks of Microware Systems Corporation.

PTbug is a trademark of Performance Computer.

All other brands or names are trademarks of their respective holders.

Rev ECN Pages Affected Date Approvals

10 - All 09/20/94

REVISION CONTROL

NOTICE

This document presents information for users of the Performance Computer Models PT-VME161 Exten-

sible Single Board Computer/Controller.

Although the information contained within this document is considered accurate and characteristic of the

subject product, Performance Computer reserves the right to make changes to this document and any prod-

ucts described herein to improve reliability, function, or design. Performance Computer does not assume

any liability arising out of the application or use of any product or circuit described herein.

No part of this document may be copied or reproduced in any form or by any means without the prior

permission of Performance Computer.

WARNING

THIS EQUIPMENT GENERATES, USES, AND CAN RADIATE RADIO FREQUENCY ENERGY

AND, IF NOT INSTALLED AND USED IN ACCORDANCE WITH THE INSTRUCTION MANUAL,

MAY CAUSE INTERFERENCE TO RADIO COMMUNICATIONS. AS TEMPORARILY

PERMITTED BY REGULATION, IT HAS NOT BEEN TESTED FOR COMPLIANCE WITH THE

LIMITS FOR CLASS A COMPUTING DEVICES PURSUANT TO SUBPART J OF PART 15 OF FCC

RULES, WHICH ARE DESIGNED TO PROVIDE REASONABLE PROTECTION AGAINST SUCH

INTERFERENCE. OPERATION OF THIS EQUIPMENT IN A RESIDENTIAL AREA IS LIKELY TO

CAUSE INTERFERENCE, IN WHICH CASE THE USER, AT HIS OWN EXPENSE, WILL BE

REQUIRED TO TAKE WHATEVER MEASURES MAY BE REQUIRED TO CORRECT THE INTER-

FERENCE.

Safety Information

This section is provided as a summary of the safety recommendations throughout this manual. Perfor-

mance Computer (PCC) recommends that all safety precautions are followed to prevent harm to yourself

or the equipment. Please follow all warnings marked on the equipment.

Safety Precautions

• Follow all warnings and instructions marked on the equipment.

• Ensure that the voltage and frequency of your power source matches the voltage and frequency

inscribed on the equipments electrical rating label.

• Never push objects of any kind through the openings in the equipment. Dangerous voltages may be

present. Conductive foreign objects could produce a short circuit that could cause fire, electrical

shock, or damage your equipment.

Symbols

The following symbols appear in this document.

CAUTION: There is risk of personal injury or equipment damage. Follow the instructions.

WARNING: Hazardous voltages are present. To reduce the risk of electric shock and danger to personal

heath, follow the instructions.

Table of Contents

Performance Computer

Extensible Single Board Computer/Controller User’s Manual v

Section 1 PT-VME161 INTRODUCTION.............................................. 1

Scope............................................................................................................................. 1

Applicable Documents............................................................................................. 2

Model Designations.................................................................................................. 3

Features ........................................................................................................................ 4

Family Members......................................................................................................... 6

PT-VME131/131E........................................................................................................ 6

PT-VME141/141E........................................................................................................ 7

PT-VME151A/151AE................................................................................................... 7

Glossary and Conventions..................................................................................... 8

Glossary ...................................................................................................................... 8

Conventions................................................................................................................. 9

Section 2 GETTING STARTED.................................................................. 11

Unpacking and Inspection..................................................................................... 11

Hardware Configuration......................................................................................... 12

Device Positions......................................................................................................... 12

U24 PROM/ROM/SRAM/EEPROM Socket Configuration ......................................... 14

Location U24 Setup............................................................................................... 15

Location U36 Setup............................................................................................... 15

SCSI Termination....................................................................................................... 17

Disabling Termination ........................................................................................... 17

Termination Power Source.................................................................................... 17

TERMPWR Overview...................................................................................... 17

DRAM Module Upgrading........................................................................................... 19

EPAK Installation........................................................................................................ 20

Board Installation ..................................................................................................... 21

Power Considerations ................................................................................................ 21

Slot Considerations .................................................................................................... 21

Backplane Insertion.................................................................................................... 21

SCSI Considerations ............................................................................................... 23

Cabling ....................................................................................................................... 23

Example................................................................................................................ 23

Mechanical restraints............................................................................................ 24

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vi Extensible Single Board Computer/Controller User’s Manual

SCSI device grounds ............................................................................................ 24

Device addresses....................................................................................................... 25

Serial Port Cabling ................................................................................................... 25

Example...................................................................................................................... 25

Mechanical restraints.................................................................................................. 26

Section 3 FUNCTIONAL DESCRIPTION........................................... 27

Microprocessor ......................................................................................................... 28

Memory......................................................................................................................... 28

DRAM......................................................................................................................... 28

DRAM Mapping..................................................................................................... 29

Sizing .................................................................................................................... 29

Parity ..........................................................................................................................30

Checking............................................................................................................... 30

Initialization ........................................................................................................... 31

Testing .................................................................................................................. 31

PROM/SRAM Sockets................................................................................................ 31

Nonvolatile SRAM and Time of Day/Calendar Clock ................................................. 31

Serial EEPROM.......................................................................................................... 31

Interval Timer ............................................................................................................. 32

VMEbus Interface...................................................................................................... 33

SCV64........................................................................................................................ 33

VME

Transfers.................................................................................................. 33

Transfer Modes..................................................................................................... 33

Decoupled........................................................................................................ 33

Atomic.............................................................................................................. 34

VMEbus Control Logic .......................................................................................... 34

VMEbus Slave Accesses...................................................................................... 35

SCV64 register access from the VMEbus ....................................................... 35

EPAK access from the VMEbus...................................................................... 35

VMEbus Master Accesses.................................................................................... 35

68060 Accesses .............................................................................................. 35

Read-Modify-Write........................................................................................... 36

DMAC.................................................................................................................... 36

Location Monitor.................................................................................................... 37

Registers............................................................................................................... 37

Test and Diagnostics............................................................................................. 37

Reset..................................................................................................................... 38

Local Bus Timer.................................................................................................... 38

Watchdog Timer.................................................................................................... 38

Tick Timer ............................................................................................................. 38

Interrupt Handler................................................................................................... 39

Performance Compute

Extensible Single Board Computer/Controller User’s Manual vii

Local Level 7 Sources ..................................................................................... 39

Abort........................................................................................................... 39

SCSI Bus Reset ......................................................................................... 40

AC Fail........................................................................................................ 40

System Fail................................................................................................. 40

General Purpose Local Interrupts.................................................................... 40

Location Monitor FIFO................................................................................ 40

SCV64 VME Event..................................................................................... 41

Timer Event................................................................................................ 41

Tick ....................................................................................................... 41

Interval.................................................................................................. 42

I/O Event .................................................................................................... 42

FAS216 Requests................................................................................. 42

EPAK Requests (-EPIRQ) .................................................................... 42

EPAK Vectored Interrupt Request.............................................................. 42

DUART Interrupt Request (-INTP<5>)....................................................... 43

VMEbus Interrupts........................................................................................... 43

Interrupt Acknowledgment............................................................................... 43

VMEbus Requester.......................................................................................... 44

System Monitor Functions............................................................................... 44

Reset.......................................................................................................... 44

System Clock Driver................................................................................... 44

VMEbus Arbiter.......................................................................................... 44

IACK Daisy Chain Driver............................................................................ 45

Bus Timer................................................................................................... 45

I/O UTILITIES .............................................................................................................. 45

System Control Registers........................................................................................... 45

System Control Register 1.................................................................................... 45

VMEbus Page Select....................................................................................... 45

User LEDs ....................................................................................................... 46

SCSI DMA Read/Write Direction..................................................................... 46

EPAK Space Cache Enable ............................................................................ 46

VMEbus Space Cache Enable ........................................................................ 46

System Control Register 2.................................................................................... 46

Enable EPAK Access from the VMEbus.......................................................... 47

Enable Parity Error Checking .......................................................................... 47

Enable Bad Parity............................................................................................ 47

Enable Interval Timer Interrupts ...................................................................... 48

Enable Tick Timer Interrupts............................................................................ 48

Enable Bus Snooping...................................................................................... 48

System Status Registers............................................................................................ 49

System Status Register 1...................................................................................... 49

Hex Switch....................................................................................................... 49

System Status Register 2...................................................................................... 49

68060 Parity Error............................................................................................ 49

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viii Extensible Single Board Computer/Controller User’s Manual

SCSI DMA Parity Error.................................................................................... 49

DARF Parity Error............................................................................................ 49

EPAK Parity Error............................................................................................ 50

SCSI Present................................................................................................... 50

System Status Register 3...................................................................................... 50

DRAM Size...................................................................................................... 50

Parity Installed................................................................................................. 50

Interval Timer Interrupt Pending...................................................................... 50

DUART....................................................................................................................... 51

Utility Serial Ports.................................................................................................. 51

General Purpose Timer/Counter........................................................................... 51

Parallel Input Port.................................................................................................. 51

Clear-to-Send .................................................................................................. 51

Data-Terminal-Ready ...................................................................................... 51

EPAK General Purpose Input.......................................................................... 52

Serial EEPROM Data In .................................................................................. 52

Parallel Output Port............................................................................................... 52

Request-to-Send.............................................................................................. 52

Data-Set-Ready............................................................................................... 52

EPAK General Purpose Output....................................................................... 52

Serial EEPROM Select.................................................................................... 52

Serial EEPROM Control .................................................................................. 52

Serial EEPROM Data Out................................................................................ 53

SCSI Controller.......................................................................................................... 54

SCSI Bus.................................................................................................................... 54

Register Access.......................................................................................................... 54

DMA Mechanism........................................................................................................ 55

Interrupts .................................................................................................................... 55

Termination................................................................................................................. 55

EPAK Interface........................................................................................................... 57

Section 4 FUNCTIONAL SUMMARY.................................................... 59

Memory Map ............................................................................................................... 59

Default VMEbus Slave Addressing............................................................................. 60

161 System Registers.............................................................................................. 61

System Control Register 1.......................................................................................... 61

System Control Register 2.......................................................................................... 63

System Status Register 1........................................................................................... 64

System Status Register 2........................................................................................... 65

System Status Register 3........................................................................................... 66

SCSI Memory Address Register................................................................................. 67

Jumper List (Defaults)............................................................................................. 67

Performance Compute

Extensible Single Board Computer/Controller User’s Manual ix

Interrupt Control........................................................................................................ 68

Register Maps............................................................................................................ 69

SCV64........................................................................................................................ 69

DS1643 Nonvolatile Timekeeping RAM..................................................................... 71

82C54 Interval Timer.................................................................................................. 71

EMULEX FAS216 SCSI Controller............................................................................. 72

68681 DUART............................................................................................................ 72

Controls and Indicators.......................................................................................... 73

Rotary Switch ............................................................................................................. 73

“RUN” Indicator........................................................................................................... 74

“FAULT” Indicator....................................................................................................... 74

“VME” Indicator........................................................................................................... 74

RESET Switch............................................................................................................ 74

ABORT Switch............................................................................................................ 74

User Programmable LEDs.......................................................................................... 74

Section 5 CONNECTOR PINOUTS......................................................... 75

Utility Serial Port Pin Assignments.................................................................... 75

VMEbus Pin Assignments..................................................................................... 76

EPAK Connectors..................................................................................................... 78

DRAM Module ............................................................................................................ 79

Section 6 MECHANICAL AND ENVIRONMENTAL................... 81

Power Requirements............................................................................................... 81

Ambient Temperature.............................................................................................. 81

Humidity....................................................................................................................... 81

Vibration....................................................................................................................... 81

Mechanical Shock..................................................................................................... 82

Physical Dimensions............................................................................................... 82

Section 7 APPENDICES.................................................................................. 83

Product Warranty 83

Product Return Procedure .................................................................................... 84

Product Support........................................................................................................ 85

Installation Notes...................................................................................................... 86

EEPROM Usage......................................................................................................... 87

PTbug......................................................................................................................... 87

OS-9........................................................................................................................... 88

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x Extensible Single Board Computer/Controller User’s Manual

The differences between the PT-VME161 and the VME151....................... 90

SCV64........................................................................................................................ 90

Differences:........................................................................................................... 90

68060 Versus 68040 .................................................................................................. 91

The differences between the PT-VME151A and the VME151.................... 92

Renamed Registers.................................................................................................... 92

New Devices............................................................................................................... 92

DRAM Sizing.............................................................................................................. 92

SRAM Access............................................................................................................. 93

PT-VME151A Differences From VME131/141................................................. 94

DARF64 uses 68040 mode........................................................................................ 94

SCSI Controller differences........................................................................................ 94

Effects of 68040 vs. 68030......................................................................................... 94

Cacheability and Serialization............................................................................... 94

68040 Cache Control Registers............................................................................ 95

68040 Cache Clearing .......................................................................................... 96

68040 Exception Processing................................................................................. 96

PT-VME151A Control Register Differences ............................................................... 96

SCV64 Overview........................................................................................................ 98

Functional Description................................................................................................ 98

BI-mode................................................................................................................. 98

Location Monitor.................................................................................................... 99

VMEbus Master Memory Map............................................................................... 99

Master VMEbus Accesses................................................................................... 101

Slave VMEbus Accesses..................................................................................... 102

AVICS Application Notes...................................................................................... 104

Local Interrupts.......................................................................................................... 104

Example:.............................................................................................................. 104

Setting Up the Master Bus Memory Map................................................................... 105

Example:.............................................................................................................. 105

Setting Up A24/A32 Slave Images on the Bus.......................................................... 105

Example A:........................................................................................................... 106

Example B:........................................................................................................... 107

Generating VMEbus Interrupts.................................................................................. 108

Example:.............................................................................................................. 108

Receiving VMEbus Interrupts.................................................................................... 108

Example:.............................................................................................................. 108

Initiating a DMA Transfer........................................................................................... 109

Example:.............................................................................................................. 109

VMEbus Address Modifiers.................................................................................. 111

Section 8 SCHEMATICS................................................................................ 123

Table of contents

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