Path: cdrom.com!barrnet.net!sgiblab!uhog.mit.edu!news.kei.com!ddsw1!not-for-mail From: les@MCS.COM (Leslie Mikesell) Newsgroups: comp.periphs.scsi,comp.sys.sgi.hardware,alt.cd-rom.reviews,comp.publish.cdrom.hardware,comp.sys.ibm.pc.hardware.cd-rom,comp.sys.mac.hardware,comp.sys.sun.hardware Subject: Re: Toshiba CD-ROM SCSI botch? Date: 7 May 1994 21:25:04 -0500 Organization: /usr/lib/news/organi[sz]ation Lines: 32 Message-ID: <2qhii0$r47@Mercury.mcs.com> References: NNTP-Posting-Host: mercury.mcs.com Xref: cdrom.com comp.periphs.scsi:3370 comp.sys.sgi.hardware:1748 alt.cd-rom.reviews:107 comp.publish.cdrom.hardware:277 comp.sys.ibm.pc.hardware.cd-rom:2461 comp.sys.mac.hardware:15499 comp.sys.sun.hardware:3188 In article , Dave Yost wrote: >I have a Toshiba TXM3401-E1 CD-ROM drive, manufactured Jun 1993. >The drive and enclosure came together, from Toshiba. >The drive is unterminated. > >The two SCSI connectors on the back are wired internally >with ribbon cable like this: > > top connector ]- > | > | > | > bottom connector ]-+ > | > -------[ Drive > >thus creating a SCSI bus stub that is about 2 inches long. >Is the 2" stub long enough to cause trouble when used >on the same bus with a FAST SCSI-2 host (SGI Indigo2) >and a FAST SCSI-2 disk (Micropolis 2217AV)? You are supposed to put a terminator on the unused connector at the end of the chain. Get one with the handy matching connector. >Would it be worth it to put internal terminators in the CD-ROM drive, >and always connect it at the end of the chain using the top connector? What if you want to use several of them? Les Mikesell les@mcs.com