Interesting you should mention that... everything mentioned so far has be=
en=20
using PP (v0.6) which is a Linux port of FPP.  It's the same one I was us=
ing=20
in the past when all used to be hunky-dory.  Yes, I programmed the 16F872=
=20
with it, and erased the 16F872 with it.  I might have a 16F84 laying arou=
nd,=20
so I might try that.

However, the only diff between the (working) past and the (frustrating)=20
present, is the laptop.  So I decided to try it on the desktop again.  I =
only=20
have Win2k on the desktop nowadays, so in the past hour I download FPP an=
d am=20
trying to get it working, but the GIVEIO.SYS drivers are not loading. =20
Loaddrv says it installed okay, but it's not listed under the hardware=20
devices list.  Trying to re-install w/Loaddrv says the service already=20
exists.  Arrrggghhh!!!!

I think I'll also try your SW on the (linux) laptop -- I'll be back...

When I first setup my programmer and env a year ago, I had probs with var=
ious=20
other programmers, but the Tait with PP worked like a charm, even defying=
 all=20
known taboos -- 10-ft parallel-port cable, MCLR voltage of 11.7V, etc.  I=
t's=20
all come back to haunt me now! :-(

Cheers,
-Neil.


On Wednesday 30 April 2003 18:42, Byron A Jeff scribbled:
> Software? Are you using something specifically targeted to the 16F872?
>
> I can't remember if you're testing with Linux or Windows. If linux try
> taking a crack with my version of Brian Lane's picprg2.3d. Find it on m=
y
> page: http://www.finitesite.com/d3jsys#SOFTWARE
>
> There's also a link to David Tait's FPP in that section too.
>
> I know for sure that the bulk erase sequence is different for the 16F87=
X
> chips as opposed to the 16F84. So pp (I think that's what you mentioned=
)
> may be falling down on the bulk erase.
>
> BAJ

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