Shmuel, I really don't think you need to correct Lynn. Besides, he himself mentioned that the 2305 was actually platter based, even though it is often referred to as a drum.
>>> "Shmuel Metz (Seymour J.)" <[email protected]> 3/31/2010 10:42 PM >>> >>> In <[email protected]>, on 03/31/2010 at 08:50 AM, Anne & Lynn Wheeler <[email protected]> said: >There are systems running more than 8 drums. 2305 drums The 2305-1 and 2305-2 were disks; the drums were 2301 and 2303. Unlike the drums, the fixed-head disks had[1] 8 exposures and RPS. [1] AFAIK the 2305 was the first device to have multiple exposures, RPS or 2-byte channel connections. -- 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 [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html CONFIDENTIALITY/EMAIL NOTICE: The material in this transmission contains confidential and privileged information intended only for the addressee. If you are not the intended recipient, please be advised that you have received this material in error and that any forwarding, copying, printing, distribution, use or disclosure of the material is strictly prohibited. If you have received this material in error, please (i) do not read it, (ii) reply to the sender that you received the message in error, and (iii) erase or destroy the material. Emails are not secure and can be intercepted, amended, lost or destroyed, or contain viruses. You are deemed to have accepted these risks if you communicate with us by email. Thank you. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html

