INTRQ Support by ISD-300

Question: Does the ISD-300 support INTRQ (ATA interrupt request)?



No, the ISD-300 does not support INTRQ. The ISD-300 relies on polling to determine device status.

Please note that the  ISD-300 is obsolete and the functional replacement is AT2LP.  All the related collaterals of AT2LP can be found in the link here