mac addresses

Den l�rdag den 27. september 2014 19.30.47 UTC+2 skrev John Larkin:
> On Sat, 27 Sep 2014 18:41:54 +0200, Glenn <glenn2233@gmail.com> wrote:
> 
> 
> 
> >On 26/09/14 02.49, John Larkin wrote:
> 
> >>
> 
> >> Anybody got a small block of mac addresses for sale?
> 
> >>
> 
> >>
> 
> >
> 
> >Hi John
> 
> >
> 
> >You can buy them here:
> 
> >
> 
> >MAC Address Chips.
> 
> >Need fast, easy, inexpensive access to MAC addresses?
> 
> >Buy Microchip's MAC Address chips today!:
> 
> >http://www.microchip.com/pagehandler/en-us/products/memory/serialEEPROM/MAC.html
> 
> >Quote: "...
> 
> >The EUI-48 node addresses are sourced by the IEEE. They offer two 
> 
> >options based on volumes.
> 
> >...
> 
> >Microchip's new MAC address chips, specifically targets the issues 
> 
> >listed above providing customers with fast, easy, inexpensive access to 
> 
> >plug-and-play EUI-48 enabled MAC Address Chips. Every one of these 
> 
> >devices will be uniquely programmed with a different EUI-48 address and 
> 
> >will also come write-protected to ensure tamper-proof codes. These chips 
> 
> >have an additional 1.5Kb of Serial EEPROM functionality that is a useful 
> 
> >scratch-pad area to buffer small amount of data or to store 
> 
> >configuration settings etc. Finally, they are designed to work in the 
> 
> >popular I2C, SPI and UNI/O busses.
> 
> >..."
> 
> >
> 
> >Glenn
> 
> 
> 
> We've used SPI MAC address chips. But we're doing a new product where
> 
> it would be more convenient to put the mac address, and the IP
> 
> address, and some other cal and ID stuff, in a file on a flash chip.
> 
> This will be another MicroZed project, running Linux.
> 

When you run linux on the microzed uboot stores the environment including the MAC address on the QSPI flash


-Lasse