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520STfm Blitter upgrade


Yrouel

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So, couple questions.

1. What ST is required for a Blitter upgrade?

2. What was the total cost?

3. Where did you obtain the Blitter?

 

I have my old 520 (original) in storage but eventually I suspect I'll drag it out and I was wondering if this might be a nice little upgrade.

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I put my blitter in a STFM machine. If its got a socket space for the blitter then it should work. Most people get the blitter off a old STE, or you can buy them from best electronics, though the price they charge it could be cheaper to find a cheap STE to break for spares. Its how I got my blitter.

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I put my blitter in a STFM machine. If its got a socket space for the blitter then it should work. Most people get the blitter off a old STE, or you can buy them from best electronics, though the price they charge it could be cheaper to find a cheap STE to break for spares. Its how I got my blitter.

 

But why would you downgrade from an STE? There's less STEs out there than STFM models.

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So, couple questions.

1. What ST is required for a Blitter upgrade?

2. What was the total cost?

3. Where did you obtain the Blitter?

 

I have my old 520 (original) in storage but eventually I suspect I'll drag it out and I was wondering if this might be a nice little upgrade.

 

If your machine has an unpopulated space for a Blitter you can add it. I didn't have to do anything else beside soldering the socket (after emptying the vias) and installing the chip, but some board revisions require 2 solder jumpers (W3 and W4 next to where the Blitter is meant to be) to be opened (unsoldered) in order to enable the chip.

I spent 20£ shipping included, GadgetUK had ordered 2 spares for himself and offered me one after I wrote in another post I was looking for one (I couldn't find the proper kind of socket which is PLCC 68 2.54mm pitch with STAGGERED pins while nowadays the common ones are non staggered)

Edited by Yrouel
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Ironically Exxos asked me for a socket just after I had sent my last socket, or I could have provided one. You can use a socket from MMU or Glu on a faulty board if you can't find a socket, I think that's what Exxos did. I sent my last Blitter to Exxos as well which is why I ordered a spare. I doubt my original Blitter will ever fail, but I am paranoid enough to need a spare lol!

Edited by GadgetUK
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  • 2 weeks later...

There a fair few games that work within TOS - making use of GEM windows etc, those will all use Blitter. Beyond that I honestly don't know, there aren't many, maybe 20 or 30 if you are lucky but the main benefit for me really is how much smoother GEM runs, especially when coupled with Exxos 16Mhz booster mod.

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