-----Original Message-----
From: Ken Yap <[EMAIL PROTECTED]>
To: ELKS discussion list <[EMAIL PROTECTED]>
Date: Thursday, November 25, 1999 5:38 AM
Subject: Re: Questions
>>IMHO, and if my rusty RAM serves, an 8253 was the normal serial chip on
the
>>old CP/M and early DOS machines.
>
>Er no, the 8253 is a programmable interval timer made by Intel. You may
>be thinking of the 8250, a UART made by National Semiconductor.
>
Opps! You're right and I stand corrected. Thanks, Ken. I keep forgetting
that the RAM between my ears is volatile :-) A lot has happened since I
dabbled in assembly on the 6502 and Z80 chips.
