IIRC no setting of the pport can blow the transistor.  Did you check the 7407?
You may have blown chip (too), maybe from earlier attempts?

Kevin

Alaa El-agha wrote:
>
> Hi Imre,
>
> Thanx for the feedback. The wiring of my kit is actually different from the
> default settings in the s/w. However, I changed the settings to indicate the
> right Data In, Data Out, Clk etc.
>
> I did re-wire the circuit and go thru the verification steps. everything is
> ok, except whten I connect the parallel port, when pin 5 (Vpp) goes low. It
> does not change regardless what the s/w is set to.
>
> Thru DEBUG, the parallel port base addr is 0378. I sent all 1's to the port,
> but it measures low. This makes me suspicious about my parallel port.
> However, I had a brother laser printer two weeks ago and it worked fine.
>
> Any suggestions?
>
> Kevin,
> I actually blow my transistor too.
>
> Thanx
> Alaa
> ----- Original Message -----
> From: "dr. Imre Bartfai" <root@PROF.PMMF.HU>
> To: <PICLIST@MITVMA.MIT.EDU>
> Sent: Tuesday, August 14, 2001 4:16 AM
> Subject: Re: [PIC]: Can't get the programmer to work
>
> > Hi,
> >
> > I have a true programmer from Dobaj so I do not know the differences, but
> > in my version the output pins can be configured. Per default, the D2 pin
> > is the MCLR control so you should check, and if do not match, then either
> > reconfigure the software, or - if it is not possible - then re-wire the
> > h/w.
> >
> > BTW u can test the port with debug in dos, using the 'o' command.
> > I hope this helps.
> >
> > Regards,
> > Imre
> >
> >
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> >
> > On Mon, 13 Aug 2001, Alaa El-agha wrote:
> >
> > > Hi everyone,
> > >
> > > I am new to PIC. I have the Parallel programmer assembled (from P.
> Andesren at http://www.phanderson.com/PIC/picstart.html ) and got Bojan's
> P16prol for 16F84. However, I did not get the programmer to work.
> > >
> > > I am sure that the circuit is wired correctly, and the s/w settings are
> ok. What I noticed is the that D3 (pin 5) on the parallel port is always
> low, which makes the 13.4V voltage appear all the time on /MCLR, hence
> preventing correct setup.
> > >
> > > I am runing Windows98. I tried running from DOS, but also got he same
> problem.
> > >
> > > Any suggestion, help is appreciated.
> > >
> > > REgards,
> > > Alaa
> > >
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