Motorola MVME167 Installation Guide Page 23
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Functional Description
MVME166IG/D2 1-9
1
Functional Description
This section contains a functional description of the major blocks on the
MVME166 Single Board Computers.
Front Panel Switches and Indicators
There are switches and LEDs on the front panel of the MVME166. The
switches are RESET and ABORT. The RESET switch resets all onboard devices
and drives SYSRESET* if the board is system controller. The RESET switch
may be disabled by software.
When enabled by software, the ABORT switch generates an interrupt at a user-
programmable level. It is normally used to abort program execution and
return to the debugger.
There are ten LEDs on the MVME166 front panel: FAIL, STAT, RUN, SCON,
LAN, RPWR, SCSI, VME, TPWR and VSB.
The red FAIL LED (part of DS1) lights when the BRDFAIL signal line is active.
The MC68040 status lines are decoded, on the MVME166, to drive the yellow
STAT (status) LED (part of DS1). In this case, a halt condition from the
processor lights the LED.
The green RUN LED (part of DS2) lights when the local bus TIP* signal line is
low. This indicates one of the local bus masters is executing a local bus cycle.
The green SCON LED (part of DS2) lights when the VMEchip2 in the
MVME166 is the VMEbus system controller.
The green LAN LED (part of DS3) lights when the LAN chip is local bus
master.
The MVME166 supplies +5V, +12V, and -12V power to the transition board
through fuses. There is one fuse for each voltage. The green RPWR (remote
power) LED (part of DS3) lights when all three voltages are available to the
transition board interface.
The green SCSI LED (part of DS4) lights when the SCSI chip is local bus master.
The green VME LED (part of DS4) lights when the board is using the VMEbus
(VMEbus AS* is asserted by the VMEchip2) or when the board is accessed by
the VMEbus (VMEchip2 is the local bus master).
The MVME166 supplies +5V to the SCSI bus for terminator power through a
fuse. The green TPWR (terminator power) LED (part of DS5) lights when
TERMPWR is available to the SCSI bus. SCSI bus TERMPWR may be supplied
by other devices on the SCSI bus.
The green VSB LED (part of DS5) lights when the MVME166 is using the VSB
(VSB PAS* is asserted by the VSBchip2) or when the MVME166 is accessed by
the VSB (VSBchip2 is the local bus master).
- MVME166 1
- Single Board Computer 1
- Installation Guide 1
- Restricted Right Legend 2
- Dangerous Procedure Warnings 6
- Contents 7
- List of Figures 11
- List of Tables 13
- BOARD LEVEL 15
- HARDWARE DESCRIPTION 15
- Related Documentation 16
- Requirements 19
- Features 19
- Specifications 20
- Manual Terminology 20
- MVME166IG/D2 1-7 21
- Block Diagram 22
- Functional Description 23
- Data Bus Structure 24
- MC68040 MPU 24
- MVME166IG/D2 1-11 25
- Onboard DRAM 26
- VMEbus Interface 27
- I/O Interfaces 27
- MVME166IG/D2 1-15 29
- Local Resources 30
- Connectors 31
- Memory Maps 32
- MVME166IG/D2 1-19 33
- MVME166IG/D2 1-21 35
- VMEbus Memory Map 36
- VSB Memory Map 36
- HARDWARE PREPARATION 37
- AND INSTALLATION 37
- Hardware Preparation 39
- System Controller Header J6 40
- Installation Instructions 42
- MVME166IG/D2 2-7 43
- System Considerations 44
- MVME166IG/D2 2-9 45
- DEBUGGER GENERAL 47
- INFORMATION 47
- 166Bug Implementation 49
- Installation and Startup 49
- 166BBug Implementation 53
- Execute User Program 54
- Setup System Parameters 54
- Autoboot 55
- Network Boot 56
- Restarting the System 57
- SYSFAIL* Assertion/Negation 58
- Memory Requirements 59
- Terminal Input/Output Control 60
- Disk I/O Support 61
- Device Probe Function 62
- Disk I/O via 166Bug Commands 62
- Network I/O Support 65
- RARP/ARP Protocol Modules 66
- BOOTP Protocol Module 66
- TFTP Protocol Module 66
- Network Boot Control Module 66
- Network I/O Error Codes 66
- Multiprocessor Support 67
- $804****(MPAR) 68
- Diagnostic Facilities 69
- Debugger General Information 70
- USING THE 166Bug 71
- DEBUGGER 71
- Syntactic Variables 72
- register (not an 75
- Port Numbers 78
- MVME166IG/D2 4-9 79
- Hardware Functions 80
- Exception 166Bug Facility 81
- MVME166IG/D2 4-13 83
- the address of the 84
- MVME166IG/D2 4-15 85
- Floating Point Support 87
- Single Precision Real 88
- Double Precision Real 88
- Extended Precision Real 88
- Scientific Notation 89
- Packed Decimal Real 89
- MVME166IG/D2 4-21 91
- Using the 166Bug Debugger 92
- CONFIGURE AND 93
- ENVIRONMENT COMMANDS 93
- MVME166IG/D2 A-3 95
- MVME166IG/D2 A-5 97
- MVME166IG/D2 A-7 99
- MVME166IG/D2 A-9 101
- MVME166IG/D2 A-11 103
- MVME166IG/D2 A-13 105
- MVME166IG/D2 A-15 107
- DISK/TAPE CONTROLLER 109
- Disk/Tape Controller Data 110
- MVME320 -- 4 Devices 110
- MVME323 -- 4 Devices 111
- MVME327A -- 9 Devices 111
- MVME328 -- 14 Devices 112
- MVME350 -- 1 Device 112
- MVME166IG/D2 B-5 113
- NETWORK CONTROLLER 115
- Network Controller Data 116
- Numerics 117
- MVME166IG/D2 IN-3 119
- MVME166IG/D2 IN-5 121
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