From: Sergey Reva <rs_rlab@mail.ru>
To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu>
Subject: Re: [9fans] pxe - nvram
Date: Mon, 29 Nov 2004 20:49:52 +0200 [thread overview]
Message-ID: <19422771343.20041129204952@mail.ru> (raw)
In-Reply-To: <44f8762171a1cdd3d41a31d12ba099de@quintile.net>
Hello all,
Monday, November 29, 2004, 8:13:47 PM, Steve wrote:
SS> I really like PXE boot as it needs no disks of any kind,
SS> not even an IDE flash card. I hoped there might be somwhere I could
SS> put my auth ID and key so I could boot CPU servers the same way
SS> but I cannot see how - I have to use a disk of some sort.
SS> I was vaguely hoping somone might know a standardised free area
SS> PXE flash on ether cards or maybe know how to hide 64 odd bytes
SS> of data in the CMOS nvram on x86 PCs.
Most of modern chipsets have about 256 (plus CMOS in clock) extra bytes
of nonvolatile ram, some part used by BIOS Setup, but some it still free. It need to be
checked, I somewhere heard this.
SS> The only idea I came up with is a allowing secstore to serve
SS> up files without a password for given MAC address and auth ID pairs,
SS> but then again MACs are no longer fixed-in-the-die in modern cards
SS> so I am suspectable to spoofing.
SS> Anyway the general answer appears to be "no" for x86 PCs.
How about little external FlashROM (24cXX) on LPT (or COM) port through i2c bus. It's
more easy and most standardised.
Sergey
--
http://rs-rlab.narod.ru mailto:rs_rlab@mail.ru
next prev parent reply other threads:[~2004-11-29 18:49 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-28 17:07 Steve Simon
2004-11-29 11:42 ` Matthias Teege
2004-11-29 12:05 ` geoff
2004-11-29 15:11 ` Ronald G. Minnich
2004-11-29 18:13 ` Steve Simon
2004-11-29 18:49 ` Sergey Reva [this message]
2004-11-30 7:58 ` geoff
2004-11-30 15:48 ` Ronald G. Minnich
2004-11-30 16:28 ` Jason Gurtz
2004-11-30 16:36 ` Nigel Roles
2004-11-30 16:46 ` Ronald G. Minnich
2004-11-30 18:30 ` Jack Johnson
2004-11-30 19:44 ` Ronald G. Minnich
2004-11-30 19:54 ` rog
2004-11-30 19:51 ` Ronald G. Minnich
2004-11-30 21:57 ` Jack Johnson
2004-11-30 2:08 ` Kenji Okamoto
2004-11-30 9:14 ` [9fans] usb storage (was Re: pxe - nvram) Richard Miller
2004-12-01 15:33 ` [9fans] pxe - nvram Sergey Reva
2004-12-01 16:03 ` Ronald G. Minnich
2004-12-01 18:18 ` Sergey Reva
2004-12-01 18:30 ` Ronald G. Minnich
2004-12-01 18:42 ` Jack Johnson
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