In <4bd491ce.5010...@ync.net>, on 04/25/2010 at 02:02 PM, Rick Fochtman <rfocht...@ync.net> said:
>I suspect that 2305 was an outgrowth of the 2302, not necessarily a >"new" device. I don't have any information on that, although the platters certainly looked similar to those on the 1301, 1302 and 2302. >The 2305 was available with selector channel interfaces >before the blk-mux interfaces. At NCSS we were told that it took a >complete selector subchannel, with eight "exposures", to function >properly so we configured them (16 devices) to run off 2860 Selector >channels hanging off a 370/168 system. The 2880 was first announced for the S/360; the S/370 was not announced until 1970, a year after the 360/85, and the original announcement did not include the 370/168. I'd guess that your management simply did not want to spend the money on a 2880. -- Shmuel (Seymour J.) Metz, SysProg and JOAT ISO position; see <http://patriot.net/~shmuel/resume/brief.html> We don't care. We don't have to care, we're Congress. (S877: The Shut up and Eat Your spam act of 2003) ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html