In Palm OS ® Programmer's API Reference for SDK 4 the SrmControl return value section is missing. Does anyone knows about it return codes? Its prototype is: Err SrmControl(UInt16 portId, UInt16 op, void *valueP, UInt16 *valueLenP) I'm using this function and its returning a non zero value. Thanks, Leonardo Holanda (Brazil) -- For information on using the Palm Developer Forums, or to unsubscribe, please see http://www.palmos.com/dev/tech/support/forums/