Why I'm no longer developing the TF534/TF530 cards

TF534 - 68030 + More RAM Board (More compatible with amiga hardware)

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terriblefire
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Why I'm no longer developing the TF534/TF530 cards

Post by terriblefire » Sun May 19, 2019 11:07 pm

Late in 2018 i realised that my approach thus far to accelerators was taking me to a dead end of low RAM sizes and difficult to support clock speed options. It seems crazy to waste time supporting a 40Mhz clock when an 030 can be purchased for $10 that will do 50Mhz. So just fix things at 50Mhz. Options are not something I want to support.

So i decided to do an experimental card which would eliminate all these problems and set me up on a "Generation 2" of TF cards. The TF330.

It worked pretty much out of the box and with a few glitches (that were CD32 specific) we had a working Gen 2 card.

But what to do with the TF534??? People wanted it but it was Generation 1. I very reluctantly did a large batch of boards for this card and sold them... people built them... but I knew I would have to do a Gen 2 Amiga 500 card soon and so I have created the TF536.

There isnt anywhere to take the TF534... and i'll release the sources for it when i have time to get them in a good state to do that. At that point i'll be hands off completely on the board and focussing on Gen 2 completely.

Also in Gen 2 is the TF360... which has had a lot of bugs fixed lately but still not working 100%. So too many boards for one guy... the TF534 was a short lived board but it was the stepping stone between Gen 1 and Gen 2.
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redhawk668
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Re: Why I'm no longer developing the TF534/TF530 cards

Post by redhawk668 » Mon May 20, 2019 11:40 am

Well, I agree with that. Time to move on. The TF530/TF534 were nice, but it's time to bring the Amiga500 to a next level...
My collection: 1040 STE, TOS 2.06, 4 mb, CosmosEx - 520 STFM, TOS 1.04, 4 mb, Blitter, CosmosEx - 520 STFM, TOS 1.04, 4 mb - 1040 STF, TOS 1.04, 1 mb, Gotek - Amiga 1200 with Blizzard 1220/4 - Amiga 500 + ACA500 - Amiga 500 + TF530, 1 mb chipram hack.

Atari 8 bit: 800XLF, stock - 600XL, Ultimate 1 mb, Sophia RGB - 130XE, 320 kb, Sophia RGB

Sinclair stuff: 3x Spectrum 48KB, Clones: Harlequin, JS128, Nuvo128 and Issue3B replica.

Ultimate64, a few C64 breadbins and Pi1541 for storage.

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chue
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Re: Why I'm no longer developing the TF534/TF530 cards

Post by chue » Thu May 23, 2019 3:45 pm

Seems like perfectly good reasoning for dropping the older TF534/530 cards.

My question is in regards to the feature differences that the end user sees. From what I can tell, the TF536
- has much more RAM
- drops the FPU
- is fixed at 50 mhz

Is this correct?

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Re: Why I'm no longer developing the TF534/TF530 cards

Post by terriblefire » Thu May 23, 2019 4:52 pm

Yup pretty much
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Re: Why I'm no longer developing the TF534/TF530 cards

Post by Steve » Thu May 23, 2019 5:09 pm

From what I gather an FPU on Amigas is an extremely rare thing to be used, so it does make sense to not have one. Even the last aca1233n for a1200 didn't include FPU because it slowed the 030 down due to burst mode having to be disabled.
Falcon ct60e 060 - 256mb ram - phantom bus and dsp accel // Atari TT - Thunder and Storm IDE 64mb ram - Lightning VME - USB LAN - Ati Mach64 2mb // Atari STM 4160 - 4MB ram - 16Mhz exxos 1.5 booster - Ultrasatan

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Re: Why I'm no longer developing the TF534/TF530 cards

Post by terriblefire » Thu May 23, 2019 5:29 pm

I’m not sure this last point is correct.. the Tf534 has burst mode and an FPU.

But the gain isn’t worth the extra board space IMHO
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