#TerribleFire

2025-02-02

I am considering the configuration of my Amiga 2000 w/ 68020 accelerator... I would appreciate opinions from drivers of slotted Amigas, here.

I have an Amiga 2000 with SCSI + SCSI2SD, 4MB 16-bit FAST RAM, 1MB CHIP RAM, etc. It also has an A2620 68020 accelerator (14MHz) with 2MB 32-bit FAST RAM which is meager, but makes things noticeably faster on the Workbench. Most of what I do on this is watch demos and play games, though. All I do on desktop, really, is use AmiTCP and ncftp to bring files over and run IMP sometimes.

I recently downloaded the Amiga demo 'Downslope' and noticed it's less fluid / smooth with the accelerator enabled. I've seen this before here and there, but assumed that the accelerator was doing my a solid in demos - giving a bit of a boost.

I commented about this in the Pouet 'Downslope' thread and the developer came in and commented,

---
"Accelerators often introduce an asynchronicity between CPU and chip memory, which adds to chip access latency.
This can be worsened by the occurrance of many interrupts, which can cause additional strain on memory on a higher CPU.
If we are unlucky, not even the much faster execution time of the higher CPU can make up for the additional latencies and strain on chip memory.
It's a matter of focus on the target. There are side effects on higher CPUs which are difficult to anticipate, and usually you have only a limited number of machines for testing."
---

This makes sense, I suppose. Is this common? Are people with '030, '040, '060 accelerators having a lesser experience with demos due to CHIP RAM latency than with base '000? Certainly in some scenarios the more powerful CPU helps hugely for demos and games alike - I've seen this on my '020. But, yes -- demos are the most tightly coded of all Amiga apps, certainly. To the metal, etc.

So I am wondering now, should I remove the accelerator to get the most out of OCS/ECS demos on the system? Yes, I can disable the accelerator with a right mouse click at reboot, but that gets in the way of keeping Degrader's PAL state in effect, causing a hassle. (it's an NTSC A2000, unfortunately).

Anyone been down this road? Thoughts?

#Amiga #Commodore #CommodoreAmiga #A2000 #A2500 #MC68000 #MC68020 #MC68030 #demo #demos #demoscene #scenedemo #vintagecomputing #retrocomputing #vintagecomputers #retrocomputers #retrogaming #hardware #vintaghardware #A2620 #A2630 #DaveHaynie #ZorroII #terriblefire #oldcomputers

2025-01-22

@77slevin Yes i understand but i'm not ready for this frankestain things.
I prefer other stuff like #terriblefire much cost but more family feeling with original amiga

2025-01-17

Tutoriel sur Obligement regroupant des conseils sur l'installation de la carte accélératrice TF1260 (avec de vrais morceaux de @didier dedans ^^)

obligement.free.fr/articles/tf

#obligement #terriblefire #terriblefire1260 #tf1260 #Amiga

2024-09-17

The end of a build, a TF4060, stolen cameos, @terriblefire and puppet dogs...

youtu.be/qwp-hlUGMeE

and as always , a huge thanks to @PCBWay / @sgirl0311 for being awesome sponsors of the channel

#tf4060 #terriblefire #amiga #RetroComputing

2024-09-09

I have a dead TerribleFire accelerator with a 68030. What is the easiest way to test if the CPU is still alive and something else on this device is broken…?
#commodore #amiga500 #retrocomputing #TerribleFire

A black, square IC with a Motorola logo and silkscreen MC68030RP33B
NEWS CHUNKSnewschunks
2024-02-16

अलीपुर पेंट फैक्ट्री में आग 11 की मौत, लापता की तलाश में सर्च ऑपरेशन जारी

newschunks.in/paint-factory-lo

2023-10-16

Elle est arrivée !!
Sitôt montée. Hum, pas facile à cause d'un connecteur un poil plus épais que la normale. Heureusement mon 1200 a le bide ouvert, je peux lever la carte-mère.
Et hop, un 68030 à 50Mhz et 64Mo de Fast Ram. Ça roxe !

Bon, par contre, ils ont oublié la pile avec le module d'horloge...

#Amiga, #TerribleFire

Une carte Terrible Fire 68030 à 50Mhz et 64Mo de RAM pour Amiga 1200 avec un petit module de sauvegarde d'horloge dont il manque la pile !
DevZine :verified:devzine@oldbytes.space
2022-11-10

Brand new #Amiga1200 edge connectors 🥰 Building the #TerribleFire accelerator will probably be the biggest #DIY challange so far...

#TF1260 #Commodore #Amiga t.co/1nh9Cd2U9Q

2022-10-30

New video! Installing the #TerribleFire 1260 accelerator in my #Amiga1200 using a salvaged #Motorola68060 CPU. #Retrocomputing #Amiga #Commodore #TF1260 youtu.be/lmv8iPn6Zzg

2022-10-12

I basically started saving up for one of these the day they were first available. Time to speed up that #A1200! (This is just the card without CPU but I got donated a few pulled 68060s to test a while back. So here’s hoping that one of them works!) #Amiga #TerribleFire #TF1260

A Terrible Fire TF1260 accelerator card for the Amiga 1200 in retail packaging from Amigastore.eu

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