Xref: utzoo comp.sys.ibm.pc:11188 comp.arch:3284 Path: utzoo!mnetor!uunet!husc6!uwvax!astroatc!nicmad!karsh From: karsh@nicmad.UUCP (Bruce Karsh) Newsgroups: comp.sys.ibm.pc,comp.arch Subject: Re: Question about ESDI Disk Controllers Message-ID: <2372@nicmad.UUCP> Date: 28 Jan 88 22:33:55 GMT References: <788@aucs.UUCP> <794@vixie.UUCP> Reply-To: karsh@nicmad.UUCP (Bruce Karsh) Organization: Nicolet Instruments, Biomedical Division Lines: 14 Keywords: Speed Interleave In article <794@vixie.UUCP> paul@vixie.UUCP (Paul Vixie Esq) writes: > >ESDI disk configurations do not all have 1:1 interleave. Part of it depends >on the processor speed, bus speed, etc, since somebody has to be able to >"catch" data coming off the drive. If you use 1:1 and the rest of the >system can't keep up, you wait 1/3600th of a second for the next sector to >come around AGAIN when you're ready for it. Wow! Where do you get disks that fast? :-). Seriously, I think that 1/3600 *minutes* is a typical duration for a disk rotation. Most hard disks spin at about 60 revs per second. -- Bruce Karsh {uwvax,ihnp4}!nicmad!karsh