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Glossary
GL-2 Computer Group Literature Center Web Site
G
L
O
S
S
A
R
Y
AUI Attachment Unit Interface
BBRAM Battery Backed-up Random Access Memory
bi-endian Having big-endian and little-endian byte ordering capability.
big-endian A byte-ordering method in memory where the address n of a word
corresponds to the most significant byte. In an addressed memory
word, the bytes are ordered (left to right) 0, 1, 2, 3, with 0 being the
most significant byte.
BIOS Basic Input/Output System. This is the built-in program that
controls the basic functions of communications between the
processor and the I/O (peripherals) devices. Also referred to as ROM
BIOS.
BitBLT Bit Boundary BLock Transfer. A type of graphics drawing routine
that moves a rectangle of data from one area of display memory to
another. The data specifically need not have any particular
alignment.
BLT BLock Transfer
board The term more commonly used to refer to a PCB (printed circuit
board). Basically, a flat board made of nonconducting material, such
as plastic or fiberglass, on which chips and other electronic
components are mounted. Also referred to as a circuit board or card.
bpi bits per inch
bps bits per second
bus The pathway used to communicate between the CPU, memory, and
various input/output devices, including floppy and hard disk drives.
Available in various widths (8-, 16-, and 32-bit), with accompanying
increases in speed.
cache A high-speed memory that resides logically between a central
processing unit (CPU) and the main memory. This temporary
memory holds the data and/or instructions that the CPU is most
likely to use over and over again and avoids accessing the slower
hard or floppy disk drive.
CAS Column Address Strobe. The clock signal used in dynamic RAMs to
control the input of column addresses.
CD Compact Disc. A hard, round, flat portable storage unit that stores
information digitally.
- MVME2400-Series 1
- Single Board Computer 1
- Installation and Use 1
- Restricted Rights Legend 2
- Document Terminology 4
- Safety Summary 5
- Safety Depends On You 5
- Contents 9
- Glossary 12
- List of Figures 13
- List of Tables 15
- 1Preparing and Installing the 17
- MVME2400-Series Module 17
- MVME240x Module 18
- PMCspan Expansion Mezzanine 19
- PCI Mezzanine Cards (PMCs) 19
- VMEsystem Enclosure 20
- System Console Terminal 20
- 1 2 3 4 5 6 7 8 25
- ESD Precautions 29
- 2064 9708 31
- Primary PMCspan 32
- 2081 9708 33
- Secondary PMCspan 34
- 2065 9708 35
- INTERRUPT ACKNOWLEDGE 38
- DEBUG port on 38
- Installation Considerations 39
- 2Operating Instructions 41
- Switches 42
- MVME240x 43
- Status Indicators 44
- 10/100 BASET Port 44
- DEBUG Port 45
- Operating Instructions 46
- PMC Slots 47
- 3Functional Description 49
- (RST) and Abort (ABT) 50
- General Description 52
- Block Diagram 52
- (PHB) ASIC 55
- PCI Bus Latency 56
- 3:1 clock ratio: 56
- PPC Bus Latency 58
- Assumptions 60
- SDRAM Memory 62
- Functional Description 66
- Flash Memory 67
- Ethernet Interface 70
- VMEbus Interface 73
- Asynchronous Debug Port 73
- PCI Host Bridge (PHB) 75
- Interrupt Controller (MPIC) 76
- Programmable Timers 76
- 4Programming the MVME240x 79
- Processor Bus Memory Map 80
- PCI Local Bus Memory Map 81
- VMEbus Memory Map 81
- Programming Considerations 82
- Interrupt Handling 84
- DMA Channels 86
- Sources of Reset 86
- Endian Issues 88
- Programming the MVME240x 90
- PPCBug Overview 91
- PPCBug Basics 91
- Diag> 92
- Memory Requirements 93
- PPCBug Implementation 93
- Debugger Commands 96
- Table 5-1. Debugger Commands 97
- Diagnostic Tests 100
- Using PPCBug 101
- 6Modifying the Environment 103
- Modifying the Environment 104
- ENV - Set Environment 105
- ∗ signal after 107
- ∗ signal during board 107
- 00001000? 111
- (Default) 112
- Ordering Related 119
- Documentation 119
- Manufacturers’ Documents 120
- Document Title and Source 121
- Publication 121
- Related Specifications 123
- Specifications 127
- Table B-1. MVME240 128
- Specifications (Continued) 128
- Cooling Requirements 129
- EMC Regulatory Compliance 130
- CConnector Pin Assignments 131
- VMEbus Connector - P1 132
- Connector Pin Assignments 133
- VMEbus Connector - P2 134
- Pin Assignments 136
- CPU Debug Connector - J1 137
- PCI Expansion Connector - J6 142
- DTroubleshooting the MVME240x 151
- Solving Startup Problems 152
- Troubleshooting the MVME240x 153
- Numerics 169
- Single Board Computer 177
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