Date: Sun, 18 Feb 1996 11:20:19 +0100 (MET) From: J Wunsch <j@uriah.heep.sax.de> To: freebsd-hackers@freebsd.org (FreeBSD hackers) Cc: imp@village.org Subject: Re: Quick question on syscons.c Message-ID: <199602181020.LAA06216@uriah.heep.sax.de> In-Reply-To: <199602180527.QAA27533@godzilla.zeta.org.au> from "Bruce Evans" at Feb 18, 96 04:27:33 pm
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As Bruce Evans wrote: > >Can anybody comment on these differences and/or point me at a good and > >readily availble reference? Is there a good reference for all the > >"esoteric" PC things: DMA, Timer chips, interrupts, etc? > > I haven't seen one :-(. The standard response is always: Frank van Gilluwe: The Undocumented PC. Addison-Wesley 1993 ISBN 0-201-62277-7 Not that he's got everything right (for example, his argumentation about the head load and head unload scenario of the floppies is completely bogus, given that all "mini" and "micro" floppy drives load the head as soon as the floppy is inserted/locked), but it is in impressive collection of facts. -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)
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