Debugger Commands
http://www.motorola.com/computer/literature 3-89
3
IOC - I/O Control for Disk
Command Input
IOC
Description
The IOC command sends command packets directly to a disk controller.
The packet to be sent must already reside in memory and must follow the
packet protocol of the particular disk controller. This packet protocol is
outlined in the documentation for the SCSI controller (refer to Appendix
A, Related Documentation).
This command may be used as a debugging tool to issue commands to the
disk controller to locate problems with either drives, media, or the
controller itself.
When invoked, this command prompts for the controller and drive
required. The default controller LUN (CLUN) and device LUN (DLUN)
when IOC is invoked are those most recently specified for IOP, IOT, or
a previous invocation of IOC. The command also prompts for an address
where the controller command is located. You may change the displayed
value by typing a new value, followed by the Return key. To leave the field
unaltered, press the Return key without typing a new value.
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