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Re: Question about chip IC 140, IC141

2008-11-05 by George

Thanks a lot Stephen!

--- In emulatorII-list@yahoogroups.com, sm papke <mothrecords@...> 
wrote:
>
> Hey George, the chips on my board are as folloes: IC140 "SP8428 
DM74S174N" and IC141 "P8432  DM74S175N"  
> Cheers, Stephen
> 
> 
> --- On Tue, 11/4/08, George <trickstar303@...> wrote:
> 
> > From: George <trickstar303@...>
> > Subject: [emulatorII-list] Question about chip IC 140,  IC141
> > To: emulatorII-list@yahoogroups.com
> > Date: Tuesday, November 4, 2008, 5:09 PM
> > Hi guys, 
> > 
> > I'm still trying to figure out the boot problem. :( 
> > 
> > Are there any schematics available which tell you which
> > chips go 
> > where on the digital board? I went through all my chips on
> > the 
> > digital board today again and I believe I accidentally
> > mixed up a 
> > couple of ICs. But thankfully I noticed before I powered
> > the EII up. 
> > 
> > Could anyone kindly tell me which chips belong on IC140 and
> > IC141?  
> > They are located on the first top row on the digital board
> > (where 
> > chips 134/139/149/151 are missing.  I think I accidentally
> > misplaced 
> > them and now I can't figure out which ones go where.
> > (Those missing 
> > ones are what threw me off)
> > 
> > I have 2 chips which I believe belong on those spots. They
> > are 
> > labeled SP 8428. But one says underneath DM74S174N, the
> > other 
> > DM74s175N. 
> > 
> > Thanks in advance for your help.
> > 
> > George
>

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