If I'm not mistaken, isn't a DECServer 500 a terminal server? You hook a bunch of terminals to it's serial ports, and it connects to the host(s) via ethernet, so (a) you don't need a bunch of serial ports on each host, (b) a terminal connected to the DECServer can connect to multiple hosts, and (c) load balancing can be used so a user can be connected to a machine on a cluster, based on the system load. -----Original Message----- From: cctalk-admin(a)classiccmp.org [mailto:cctalk-admin@classiccmp.org] On Behalf Of Sellam Ismail Sent: Friday, May 31, 2002 10:51 PM To: Classic Computers Mailing List Subject: DECserver 500 Of what use is a DECserver 500? What sort of processing power does it have? Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------ ------ International Man of Intrigue and Danger http://www.vintage.org * Old computing resources for business and academia at www.VintageTech.com *

--- Sellam Ismail <foo(a)siconic.com> wrote: It's a terminal server with an internal Qbus and a PDP-11/53 processor (with different ROMs). I have the CPU board from one with the original ROMs replaced - M7554-PB, with 512KB onboard and an 18MHz xtal near the CPU. -ethan __________________________________________________ Do You Yahoo!? Yahoo! - Official partner of 2002 FIFA World Cup http://fifaworldcup.yahoo.com