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Re: [LUG] EEPROM chips

 

Rob Beard wrote:
> Hi folks,
> 
> I was hoping that someone on the list might have a bit of knowledge of 
> EEPROM chips and could help with a query.
> 
> Basically what I'm trying to do is get a Etherboot ROM for a Realtek 
> 8139 network card.  The card has a 28-pin socket (I think it's a DIL 
> socket? - it's rectangle with two strips of 14 holes on each side).
> 
> Now I've been reading up that using a utility such as Uniflash, it's 
> possible to program an EEPROM with a ROM image.
> 
> The thing is, I don't know much about EEPROM chips.  I know they come in 
> different sizes and with different numbers of pins but that's about it.
> 
> Does anyone possibly have any idea where I could either get a suitable 
> EEPROM chip from (I've tried CPC and Maplin but not knowing what I'm 
> looking for I'm a bit stumped), or alternatively where I can get a 
> couple of pre-programmed Etherboot EEPROM chips?
> 

Yea, if i recall netboot roms are just standard EPROMS not EEPROMS,
EEPROMS are also known as E2 or E squared devices. Probably a 93c64
93c128 93c256 or 93c512 is what you want. I have the programmers and the
chips just need a rom file.

Robin


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