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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!news.mira.net.au!news.netspace.net.au!news.mel.connect.com.au!munnari.OZ.AU!news.ecn.uoknor.edu!feed1.news.erols.com!news.maxwell.syr.edu!nntp.uio.no!news-feed.inet.tele.dk!stdio!not-for-mail From: tbarnett@lexmark.com (Tyler Barnett) Newsgroups: comp.unix.bsd.freebsd.misc Subject: More than 32 CD-ROM drives?? Date: 25 Feb 1997 02:55:02 GMT Organization: Lexmark International Lines: 23 Message-ID: <5etka6$uq$2@stargate.stdio.com> NNTP-Posting-Host: niblick.stdio.com X-Newsreader: WinVN 0.92.6+ Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:36074 Tyler Barnett - Lexmark International Ok, here's another wall I've run into: I have 27 CD-ROM drives on one 2.1.6 system. I can add another 5, for a total of 32, and then I can't add anymore. I believe there is an architectural limit of 32 CD-ROMs. If I used wide drives, or LUN translators, I could get 15 CD-ROM's per SCSI chain. Yes, they make these! Assuming I use Adaptec 3940 dual-chain cards (and I do), then 3 PCI slots gives me 6 SCSI chains, all of which would contain CD-ROM's, except for a boot drive and a backup boot drive. That means: (15 drives * 6 chains) - (2 harddisk) = 88 CD-ROMs. Can anyone clue me where to start hacking to fix this? Or better yet, could someone fix this in the next release and raise the limit to 128? :-) Regards, Tyler Barnett Lexmark International