Ben, The SED1278 is also HD44780 equivalent. Interesting that Samsung doesn't bother using it's own chip! Steve Lawther ______________________________ Reply Separator _________________________________ Subject: Re: Samsung lcd (SMC - 2024A.) Author: MIME:Ben.SUFFOLK@ORANGE.CO.UK at INTERNET-HUSKY Date: 28/08/97 13:16 I have just checked and it has 2 KS0061 ic's and 1 SED1278F on it. There are 16 connection pins to module. Regards Ben Ben, If it has a Samsung KS0066 chip on the module, it is a HD44780 compatible module, just search for info on character LCDs, or see the (pathetic 2) links on one of my pages, as a starting point:-