Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!zaphod.mps.ohio-state.edu!wuarchive!mit-eddie!uw-beaver!rice!rice!sun-spots-request From: soleil!dipaola@rutgers.edu (Len DiPaola) Newsgroups: comp.sys.sun Subject: Re: Switching from thin to thick Ethernet on a Sun 3/50 Keywords: Hardware Message-ID: <1990Aug23.225108.9759@rice.edu> Date: 15 Aug 90 15:48:26 GMT Sender: sun-spots-request@rice.edu Organization: Sun-Spots Lines: 25 Approved: Sun-Spots@rice.edu Originator: spots@titan.rice.edu X-Sun-Spots-Digest: Volume 9, Issue 307, message 8 In article <1990Aug13.011115.5713@rice.edu>, matt@antioch.acns.nwu.edu (Matthew Larson) writes: > We have a Sun 3/50 that was running happily using thin ethernet. Now we > would like to run it with thick ethernet. We plugged in the drop cable > and -- nothing. For the record, it is running SunOS 4.1. > Rumor has it that there is a jumper change required to effect this change. > Could some kind soul tell us how to do this? 4 Mb 8 Mb 12 Mb 16 Mb 20 Mb 24 Mb EXTXUR HIGHRES o o o o o o o o | | o o o o o o o o ( MEMORY JUMPERS ) (Net) (Monitor) If the seventh jumper ("EXTXUR") is in place, then the machine is configured for Thicknet. Otherwise, it's configured for Thinnet. These jumpers are located (if you've looking at the board with the external connectors facing you) to the left of center about 10-12 inches back. They're pretty easy to spot, 'cause they're the only jumpers back there. Len DiPaola Apollo Sysadmin __ __ __ _ _ __ _ Harris Semiconductor 201-685-6289 ||----|| //\\ || \\ || \\ || //\ 724 RT.202 Somerville, N.J.08876 _/\/\/\_ //__\\ ||==/ ||==/ || \\ rutgers!nj.semi.harris.com!dipaola ||----|| // \\ || \\ || \\ || _//