Re: Upgrade conundrums...

[wbaguhn@nyx10.cs.du.edu (Will Baguhn)]

In article <4ts6gs$5d9@nntp.seflin.lib.fl.us>,
Martin Gruen <z008729b@bcfreenet.seflin.lib.fl.us> wrote:
>Martin Gruen (z008729b@bcfreenet.seflin.lib.fl.us) wrote:
>
>:   I'm trying to perform some last minute upgrades to my gs before treking 
>: to college, and although I thought I knew something about what I was 
>: looking for I'm baffled.
>
>:   AE RAM Ultra upgrade:  need 2meg in in chips, I've been told I can get 
>: anything from 120ns to 70 ns chips.  I already have 2 meg on my card full 
>: (installed by AE at time of purchse).  What should I look for, and will 
>: different speed chips affect each other, or make a difference to a card 
>: this old?
>:   14 Mhz chip upgrade to accelerators: Alltech says they don't guarantee 
>: that it'll run at 14 mhz because all systems are different.  Can someone 
>: explain this, they couldn't.
>:    Are the FOCUS internals worth their salt, and do they work with 
>: accelerators, (I don't trust Alltech's word on this).
>
>:   I would love to have my mail box flooded with replies to this!  ;)
>
>
>Okay as stupid as it is to followup my own post, but I reviewed the FAQ 
>on accelerator upgrades and need to ask another question.  For an out of 
>the box ZipGS, if I want to put a 14 mhz chip on it, do I require the 
>crystal oscillator and SRAM (or anthing else I missed), or isn't it 
>necessary at that speed, and I can just swap  chips?
>
 <sig deleted>

You may need to modify the 7400 on the Zip.  I believe it comes with a
74F00, you'll want a 74HCT00 on the Zip if you want to go above 12...Mhz.

At least, that's what the FAQ says.

-- 
                                      --- Rev. SPQR (wbaguhn@nyx.net)