BYTE Magazine, August 1987. The market is trying to understand where IBM PS/2 fits and its future, so the issue is focussed on Micro Channel, the new bus architecture introduced with PS/2. The editorial will give you more insight. The extra snippet is from the Ask BYTE page. A guy is struggling with OCR on his Atari, and the ad is about running CP/M on your PC.
I'm trying to decide if the print format and everything that came with it (editors getting paid to put a lot of work in their articles) had actually higher quality density. Every time I browse BYTE's pages I try to think if I've seen such good technical (even low-level technical) content online, for years. And even if it were there, I don't think I'd read it on a screen...