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Archived from groups: alt.video.ptv.replaytv (More info?)
On Thu, 14 Jul 2005 23:02:50 GMT, Peter Kelly
<disco@no-spam.satx.rr.com> wrote:
>gfretwell@aol.com wrote:
>
>> On Wed, 13 Jul 2005 07:01:22 GMT, "BruceR" <brNOSPAM@hawaii.com>
>> wrote:
>>
>>>Seems like that would be at least as much work as just swapping the bad
>>>drive though. As long as I get a 50xx back I don't really care though.
>>>I have no special attachment to the serial number or MAC.
>
>I've never actually been involved in programming MAC addresses, but I have
>been the guy responsible for programming _absolutlely_ *guaranteed* unique
>serial numbers.
>
>There was no access through any edge connector. Any reprogramming of these
>number involved disassembly and either
>1. A unique, product specific fixture for programming, or
>2. Soldering wires onto the board
>Knowing this, and also knowing that serial numbers were free, it's much
>easier to use the next serial number than try to re-program/re-use a
>number.
>
>Networking has one major assumption. Two network cards cannot have the same
>MAC address. I don't know the extent that DNNA would have to go through to
>duplicate MAC addresses, but I'm pretty confident that if you get the same
>MAC address, you've got the same motherboard.
>
Routers often have that feature (the ability to set a new MAC
address), and I've heard of software for doing it on a computer (maybe
there's software for the Replay too).
>Of course, different industry, so could be not applicable at all.
>>
>> If they are running out of good "hot spares" that is reasonable but I
>> am still not convinced there isn't a way to zap the flash ROM via the
>> ethernet port.
>> The people who actually do this stuff seem to be abiding by their
>> non-disclosure agreements quite well.
--
Mark Lloyd
has a Replay 5xxx
http/notstupid.laughingsquid.com
"The idea that there is an invisible being who
created and still runs this old universe is so
childish, so obviously contrived, that it is hard to
believe anyone with even a modicum of education can
still fall for that scam."
On Thu, 14 Jul 2005 23:02:50 GMT, Peter Kelly
<disco@no-spam.satx.rr.com> wrote:
>gfretwell@aol.com wrote:
>
>> On Wed, 13 Jul 2005 07:01:22 GMT, "BruceR" <brNOSPAM@hawaii.com>
>> wrote:
>>
>>>Seems like that would be at least as much work as just swapping the bad
>>>drive though. As long as I get a 50xx back I don't really care though.
>>>I have no special attachment to the serial number or MAC.
>
>I've never actually been involved in programming MAC addresses, but I have
>been the guy responsible for programming _absolutlely_ *guaranteed* unique
>serial numbers.
>
>There was no access through any edge connector. Any reprogramming of these
>number involved disassembly and either
>1. A unique, product specific fixture for programming, or
>2. Soldering wires onto the board
>Knowing this, and also knowing that serial numbers were free, it's much
>easier to use the next serial number than try to re-program/re-use a
>number.
>
>Networking has one major assumption. Two network cards cannot have the same
>MAC address. I don't know the extent that DNNA would have to go through to
>duplicate MAC addresses, but I'm pretty confident that if you get the same
>MAC address, you've got the same motherboard.
>
Routers often have that feature (the ability to set a new MAC
address), and I've heard of software for doing it on a computer (maybe
there's software for the Replay too).
>Of course, different industry, so could be not applicable at all.
>>
>> If they are running out of good "hot spares" that is reasonable but I
>> am still not convinced there isn't a way to zap the flash ROM via the
>> ethernet port.
>> The people who actually do this stuff seem to be abiding by their
>> non-disclosure agreements quite well.
--
Mark Lloyd
has a Replay 5xxx
http/notstupid.laughingsquid.com
"The idea that there is an invisible being who
created and still runs this old universe is so
childish, so obviously contrived, that it is hard to
believe anyone with even a modicum of education can
still fall for that scam."