not directly. you should put a capacitor in series (in case your sound card doesn't have one already) and a voltage divider. 5V is much too high for a MIC input which should be driven with just some millivolts. Regards, AndrŽ Malafaya Baptista -----Original Message----- From: Hanafi Tanudjaja [mailto:ivkvplne@CENTRIN.NET.ID] Sent: Quinta-feira, 12 de Novembro de 1998 01:17 To: PICLIST@MITVMA.MIT.EDU Subject: pic-sound card may I connect output from 16c54 (one pin of portb ) directly to mic input of sound card ? (just curious) TIA Hanafi Tan