On Sun, Apr 29, 2007 at 08:06:08PM +0200, Quux wrote:
it is an empty plcc32 socket to flip over an soldered in flash
chip. attached to the socket is a secondary flash mem and some
circuitry to handle the chip enable signal, i.e. pull down the
primary one and daisy chain the data/addr bus.
I'd
On 4/29/07, Peter Stuge [EMAIL PROTECTED] wrote:
On Sun, Apr 29, 2007 at 08:06:08PM +0200, Quux wrote:
it is an empty plcc32 socket to flip over an soldered in flash
chip. attached to the socket is a secondary flash mem and some
circuitry to handle the chip enable signal, i.e. pull down the
David H. Barr schrieb:
Probably a lot like the TiVo PROM back-to-back socket. Basically two
plcc32 sockets soldered back to back with a few pin tweaks. Yet
another variation on dead-roaching or piggy-backing a chip.
tivo prom piggy should get you there as a search query. I've
occasionally
David H. Barr schrieb:
I'd love to find out more about exactly how this is done.
http://de.babelfish.yahoo.com/translate_url?doit=donett=urlintl=1fr=bf-hometrurl=http%3A%2F%2Ffab51.com%2Fworkshop%2Fbios%2Fdual_bios1.html
http://fab51.com/workshop/bios/dual_bios1.html
in babelfish gives
On Sun, Apr 29, 2007 at 01:38:44PM -0500, David H. Barr wrote:
I'd love to find out more about exactly how this is done.
Probably a lot like the TiVo PROM back-to-back socket. Basically
two plcc32 sockets soldered back to back with a few pin tweaks.
Yes, with a lot like and a few tweaks
On Sun, Apr 29, 2007 at 12:05:21PM -0700, Vlad wrote:
The OpenGraphics project (http://OpenGraphics.org,
http://www.TraversalTech.com) has people with extensive knowledge
in hardware manufacturing and a desire to create hardware with
completely open specifications.
While there's people like
On Sun, Apr 29, 2007 at 10:33:57PM +0200, Quux wrote:
I'd love to find out more about exactly how this is done.
http://fab51.com/workshop/bios/dual_bios1.html
in babelfish gives som insight. It looks like it would work with
many different flash types. --Q
This requires cutting a
Peter Stuge schrieb:
the tivo socket has no circuitry at all.
Really? Is there a schematic somewhere?
I also had to bl**dy register with the forum. Those two pdf's just show
photo's, so for plain wiring no one bothered to draw any schematics
seemingly.
I guess it is pretty much
David H. Barr schrieb:
It may be very generic, but it's also apparently covered by patents
no. 130648 and 177592 (I find no reference as to which country in
which said patents are issued). I imagine similar problems may exist
with TopHat.
the tivo socket has no circuitry at all.
On Sun, Apr 29, 2007 at 04:30:34PM -0500, David H. Barr wrote:
Probably a lot like the TiVo PROM back-to-back socket. Basically
two plcc32 sockets soldered back to back with a few pin tweaks.
Yes, with a lot like and a few tweaks being the gaps I'd like
to fill. :p
I'm requesting
On Mon, Apr 30, 2007 at 12:12:41AM +0200, Peter Stuge wrote:
The big money win is when LinuxBIOS is the default and the other one
is blank, then the board will cost $10-$15 less. (License fee
Gigabyte pays for the Phoenix BIOS.)
? Are you saying the per-board royalty is *that* much? I thought
On Sun, Apr 29, 2007 at 05:31:53PM -0500, Bari Ari wrote:
The #CE voltage is pulled high via a pull-up resistor to the VCC
rail of the flash device.
Yes, but is the pullup usually internally in the flash chip?
The driving signal from the chipset is an open drain on an output
buffer FET.
Peter Stuge wrote:
On Sun, Apr 29, 2007 at 05:31:53PM -0500, Bari Ari wrote:
The #CE voltage is pulled high via a pull-up resistor to the VCC
rail of the flash device.
Yes, but is the pullup usually internally in the flash chip?
They usually have them but they aren't relied on. It is
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