06 March 2018, 23:47 | #1 |
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A600 and Furia, FPU not working
Hi all,
i just bought a new Furia EC02 Rev.2 for my Amiga 600 (Kickstart 37.300) and can't get the FPU on the card working. When i boot Workbench 2.1 from floppy, ShowConfig shows me the 68EC020 CPU and the extra memory but not the FPU. When i use furiatune Code:
furiatune status When i now try to activate the FPU via Code:
furiatune FPU on Code:
FPU off Code:
furiatune FPU off Code:
FPU on I'm now not sure if my card maybe has a hardware problem and if i should return it. Or do i need something to do to activate the FPU correctly ? |
07 March 2018, 00:13 | #2 |
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hi,
did you reboot after 'fpu on' command ? maybe like this: furiatune fpu on reboot |
07 March 2018, 00:21 | #3 |
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Yes, i also tried this with the reboot parameter in furiatune, nothing changed. I also reinserted the card several times to ensure the connection to the 68k CPU works. Before installing the card i cleaned all pins on the 68k CPU.
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07 March 2018, 00:29 | #4 |
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and there is a fpu chip on the board?
contact the shop you bought the card from. ask them what to do. |
07 March 2018, 00:38 | #5 |
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07 March 2018, 01:29 | #6 |
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07 March 2018, 15:43 | #7 |
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Yes the board is fitted with the FPU chip. Is the FPU by default on when you install the card into the Amiga ?
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07 March 2018, 16:35 | #8 | |
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good news.
Quote:
if i understand the lines properly, the default state of the fpu is off, but it might be the other way arround and I'm wrong here - any asm coder here? Code:
; reset the settings to the default state default: moveq #0,d0 btst.b #FURIA_NoFPU,pri bne.s .default2 moveq #1,d0 bra.s .do_it .default2 .do_it move.b #$ef,pri ; unlock move.b #$ff,sec ; reset secondary register move.b #$ff,pri ; lock tst.l d0 beq.s .default_end set_reboot ; call reboot, when maprom and fpu setting changes .default_end rts do so and start without startup-sequence, maybe rename s:startup-sequence to s:startup-sequence-off try those default / status / shadowrom options. you may also try to use another kickstart with the maprom option. maybe it does work somehow different, without any patches and stuff you might have in your startup-sequence. |
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08 March 2018, 09:12 | #9 |
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When i first installed the Furia card into my Amiga, it was running with Kickstart 3.x (45.064) and an installation of classic workbench 3.1 on an SD card.
I found at work a colleague who has an A600 in his cellar, which should still work. I will try the Furia card with this machine. |
08 March 2018, 12:17 | #10 |
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ok. did you try - gently without much pressure - to push the FPU in it's socket?
maybe it's some sort of contact problem? about the maprom option: you may just try to find a rom file on the web: "kickstart rom 3.1 Amiga 600" something like that, and use: furiatune maprom kick31_A600.rom perhaps this does make a diff |
09 March 2018, 10:09 | #11 |
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I tested the Furia now in another A600 and the FPU is there also not working, so the problem is on the card.
The card is new, so there is no problem to send it back to the seller. |
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