Date: Wed, 27 Oct 1999 01:52:07 +0000 (GMT) From: Terry Lambert <tlambert@primenet.com> To: freebsd@gndrsh.dnsmgr.net (Rodney W. Grimes) Cc: tlambert@primenet.com, twinkle.star@263.net, freebsd-smp@FreeBSD.ORG Subject: Re: inquire(second time) Message-ID: <199910270152.SAA17157@usr02.primenet.com> In-Reply-To: <199910261714.KAA20511@gndrsh.dnsmgr.net> from "Rodney W. Grimes" at Oct 26, 99 10:14:36 am
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> The keyboard LED speed issue would require a new design of the > keyboard interface and a new keyboard design. The major problem > here is the very slow 8042 chips used in controlling the keyboard > and the bit level dumb (ie, non-intelegent) interface protocol > over a single set of bit lines (serial interface) at a fairly > low clock rate (I seem to want to say 100KHz, but can't remember > what f of keyclk is, anyway, it has not changed since the original > IBM PC in frequency, and only mildly changed in protocol since > the XT). RAMBus can not and will not effect this in any way. Getting way off topic, but the intended fix for this one was a USB keyboard... it seems that there are actually some ISA-free systems out there, even some pure-PCI SMP systems from Intel. 8-). Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message
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