Date: Mon, 30 Sep 1996 22:28:18 -0700 From: "Jordan K. Hubbard" <jkh@time.cdrom.com> To: Darryl Okahata <darrylo@hpnmhjw.sr.hp.com> Cc: "Jonathan M. Bresler" <jmb@freefall.freebsd.org>, mpp@freefall.freebsd.org (Mike Pritchard), jfieber@freefall.freebsd.org (John Fieber), doc@FreeBSD.ORG Subject: Re: hardware handbook entry (mainly tapes and backups) Message-ID: <8056.844147698@time.cdrom.com> In-Reply-To: Your message of "Fri, 28 Jun 1996 12:51:47 PDT." <199606281951.AA171581508@hpnmhjw.sr.hp.com>
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> Here are some comments: Eek, did they really languish this long in my inbox? :-( OK, I've taken up some of your Triton-II comments. The Millenium card comments were already incorporated and I've added a note about the NE2000 cards to the end. All now committed to the handbook, thanks! Jordan > > * Under "Jordan's Picks/Motherboards": Triton-II chipset motherboards > have been shipping for a couple of months, and the Triton-II does > support parity and ECC (with some caveats -- see below). In > particular, people seem to be getting good results with the ASUS > P55T2P4 motherboard and FreeBSD (I don't have this motherboard, but > it's the one that I'm going to get in a couple of weeks or so ;-). > > While both parity and ECC are supported by the Triton-II, ECC doesn't > work with early steppings of the T2. Here's what I've heard on the > topic (I have not verified the following): > > 1. ECC works with A2 and later steppings of the 82439HX Triton-II chip > (this is one of two (?) chips that are part of the "Triton-II" > chipset -- don't get this stepping confused with the 82371SB > stepping). You have an A2 stepping if the 82439HX chip has a > marking of "SU102". You have an A1 stepping if it's not marked > with an S-number or if the number is "SU087". > > 2. USB works with B0 and later steppings of the 82371SB chip, assuming > that your motherboard supports USB (don't get this stepping > confused with the 82439HX stepping mentioned above). The B0 > stepping is marked with "SU093". You have an A1 stepping if it's > marked with "SU052", which doesn't support USB. > > 3. Two-way SMP works with B1? (B0?) and later steppings (of which > chip?). > > NOTE: many postings on the net confuse the steppings of the 82439HX > and 82371SB chips. > > * Under "Jordan's Picks/Video cards": You should emphasize that, > although the Millenium is supported by the commercial X server, it's > not supported by XFree86. As written, this section implies that the > Millenium works with XFree86. > > * Under "Jordan's Picks/Networking": (Minor quibble) You might want to > mention that, for simple clients or home networks, an NE2000 clone > card is a cheap possibility. The ed0 driver for this card is solid, > and these clones can be found almost everywhere. You would definitely > not want to use this card in a server, though. > > * Under "Motherboards, busses, and chipsets/PCI": The Triton-II chipset > is shipping. See above. > > -- Darryl Okahata > Internet: darrylo@sr.hp.com > > DISCLAIMER: this message is the author's personal opinion and does not > constitute the support, opinion, or policy of Hewlett-Packard, or of the > little green men that have been following him all day.
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