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AmigaOS 4.0 - About OS4 - Commands

USBSTOP System Program
Purpose: To stop the USB file system and close the USB stack.
Format: USBSTOP
Template: (none)
Path: SYS:System/USBStop
USBSTOP is used to manually close the USB file system and close the USB stack. When run, it will display a requester which says 'A program has requested the USB stack to terminate. Do you accept this?' with option of 'Yes' or 'No'. If you reply 'Yes' you will need to run USBSTART before USB devices will be recognised.

When adding or removing devices from the USB port, it is not necessary to close the USB file system or close the USB stack. AmigaDOS will automatically recognise when a device is removed and when it is reconnected, once the USB file system has been started.

Note: On A1-XE models, there was a manufacturing fault which affected many machines resulting in AmigaDOS being unable to recognise when a device was disconnedted and reconnected. It is therefore recommended that in order to overcome this fault, a powered hub should be connected to the machine's USB port and all devices connected to the hub instead. Using the hub, all devices then behave normally.

See also: USBCTRL, USBSTART, USBINSPECTOR


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Disclaimer: Amiga Auckland have prepared the above information for the use of its members based on our experiences and as such is subject to revision at any time. Amiga Auckland cannot guarantee any of the information and cannot be held accountable for any issues that may result from using it.


Copyright 2006 Amiga Auckland Inc. All rights reserved.
Revised: February 9, 2006.