Disk I/O Support
http://www.motorola.com/computer/literature 1-27
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controller it is sent to. Refer to documentation on the particular controller
module for the format of its packets. Refer to the IOC command section in
Chapter 3, Debugger Commands for information on sending command
packets.
Default PPCBug Controller and Device Parameters
PPCBug initializes the parameter tables for a default configuration of
controllers (refer to Appendix E, Disk and Tape Controllers). If the system
needs to be configured differently than this default configuration (for
example, to use a different drive), then these tables must be changed.
Use the IOT command to reconfigure the parameter table manually for
any controller and/or device that is different from the default. This is a
temporary change and is overwritten if a cold-start reset occurs.
Disk I/O Error Codes
PPCBug returns an error code if an attempted disk operation is
unsuccessful. Refer to Appendix F, Disk Status Codes for an explanation
of disk I/O error codes.
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