Model: 56k HCF Data/fax/Spk Phone
Operating System: Windows 95 & Windows 98 (Note: might work with other versions of this os.)
distributed by Askey Corp. Go to there homepage, chose download tab at top right, then 'driver&firmware for voice internal modem'. You'll need the product ID that's listed on the modem (ie V1456VQH-R3). File will be in .zip format when downloaded.