On Fri, 06 Oct 2000, you wrote: > What is the ports used by the RS232C interface and > What is the functions of each port? > (Or what chip is inside in the cartridge?) Port #80 and a few above. The chip is Exar ST16C550, a 16550 UART (the common PC serial chip, like Albert said). If you want the data sheet (466K PDF), look on the manufacturer's web page or ask me by e-mail. Bye, Maarten **** Problems? contact [EMAIL PROTECTED] See also http://www.faq.msxnet.org/ ****
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