Motorola MVME166IG/D2 User Manual

Page 8

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VMEbus Accesses to the Local Bus...................................................... 1-22
VMEbus Short I/O Memory Map............................................................1-22

VSB Memory Map .............................................................................................1-22

CHAPTER 2

HARDWARE PREPARATION AND INSTALLATION

Introduction .................................................................................................................2-1
Unpacking Instructions..............................................................................................2-1
Hardware Preparation ...............................................................................................2-1

SCSI Terminator Enable Header J2 ...................................................................2-2
General Purpose Readable Jumpers on Header J3 .........................................2-4
System Controller Header J6..............................................................................2-4
SRAM Backup Power Source Select Header J7 ...............................................2-5

Installation Instructions .............................................................................................2-6

MVME166 Module Installation .........................................................................2-6
System Considerations .......................................................................................2-8

CHAPTER 3

DEBUGGER GENERAL INFORMATION

Overview of M68000 Firmware ................................................................................3-1
Description of 166Bug ................................................................................................3-1
166Bug Implementation.............................................................................................3-3
Installation and Startup .............................................................................................3-3
BOOTBUG ...................................................................................................................3-7

166BBug Implementation ...................................................................................3-7
Execute User Program ........................................................................................3-8
Setup System Parameters ...................................................................................3-8

Autoboot ......................................................................................................................3-9
ROMboot....................................................................................................................3-10
Network Boot ............................................................................................................3-10
Restarting the System...............................................................................................3-11

Reset ....................................................................................................................3-11
Abort....................................................................................................................3-12
Break ....................................................................................................................3-12
SYSFAIL* Assertion/Negation ........................................................................3-12
MPU Clock Speed Calculation ........................................................................3-13

Memory Requirements ............................................................................................3-13
Terminal Input/Output Control.............................................................................3-14
Disk I/O Support......................................................................................................3-15

Blocks Versus Sectors ........................................................................................3-15

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