Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!wuarchive!cs.utexas.edu!tut.cis.ohio-state.edu!att!bellcore!cellar.bae.bellcore.com!wind From: wind@cellar.bae.bellcore.com (Wind Chen) Newsgroups: comp.sys.ibm.pc.hardware Subject: RLL disk formatting problem. Message-ID: <26535@bellcore.bellcore.com> Date: 7 Sep 90 04:27:55 GMT Sender: news@bellcore.bellcore.com Reply-To: wind@cellar.bae.bellcore.com (Wind Chen) Distribution: usa Organization: Bell Communications Research Lines: 7 If your disk controller is "AT controller", you can NOT use it to support RLL type disk. 26 sectors are known by controller, not the CMOS. Without a RLL controller, you can only get 20MB out of it. There were people use RLL controller + ST225 and get 30MB capacity. The track is on controller. {