Motorola MVME2600 User Manual

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Computer Group Literature Center Web Site
Operating Instructions
2
4.
ALT_RST
 
function controlled by the Port 92 register in the PIB 
(resets the VMEbus when the MVME2603/2604 is system 
controller)
5. PCI/ISA I/O Reset function controlled by the Clock Divisor register 
in the PIB
6. The VMEbus 
SYSRESET
 signal
7. VMEbus Reset sources from the Universe ASIC (PCI/VME bus 
bridge controller): the System Software reset and Local Software 
Reset.
The following table shows which devices are affected by the various types 
of resets. For details on using resets, refer to the MVME2600 Series Single 
Board Computer Programmer’s Reference Guide
, listed in 
Table 2-4.  Classes of Reset and Effectiveness
Device Affected
Processor
Raven 
ASIC
Falcon 
Chip 
Set
PCI 
Devices
ISA 
Devices
VMEbus 
(as system 
controller
Reset Source
Power-On reset
Reset switch
Watchdog reset
VME 
SYSRESET
signal
VME System SW reset
VME Local SW reset
Hot reset (Port 92)
PCI/ISA reset