Re: EPROM speed question

[Vlad Lungu <vlad@main.rls.roknet.ro>]

On Mon, 23 Feb 1998, Georg Hager wrote:

> On Sun, 22 Feb 1998, Vlad Lungu wrote:
> 
> > I've had the same problem with an el cheapo NE2000 clone. I was burning an
> > 8k image into an 2764, and since the card didn't supported 8k proms I've
> > set the card to 16k PROM size. After 2 days of hair pulling, I 've
> > configured by mistake the cord for 64k PROM's and voila! everything was
> > OK. It seems that some clones doesn't actually support 16k PROMs, so you
> > should try setting the card for 32k or 64k PROMs even you have a smaller
> > one. Anyway, it worked for me. BTW, the PROM was 200ns.
> 
> That solution didn't work for me, unfortunately (maybe the EPROM was too
> slow after all). I had to change my prommer hard- and software so that it
> could handle 150ns CMOS EPROMs. Now everything works fine.
> 
> BTW, you write that you've used an 8k image. We tried to recompile the
> code but came up with something around 8700 bytes. What did you do exactly
> to get such a small image size?
Well, 8700 bytes means that this is the size of ne.com. ne.rom should
be 8192 or 16384 bytes. Anyway, try 
	make ne.lzrom
and/or comment some of the advanced options in Config.32.
BTW, xyz.lzrom is the compressed image for the card xyz.
> 
> Georg.
> 
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>