ACA500 plus? - Page 40

Turrican_3 · 06 December 2019, 08:43

Quote:

Originally Posted by AmigaHope

every single A1000 produced has signatures inside the case, it was part of the mold and the mold was never changed.

Hmm, I've read somewhere that later models had no signatures on the upper part of the chassis, but I can't remember where.

AmigaHope · 10 December 2019, 01:17

Quote:

Originally Posted by Turrican_3

Hmm, I've read somewhere that later models had no signatures on the upper part of the chassis, but I can't remember where.

It's the opposite. The developer/demo systems sent out in 1985 had bespoke cases that didn't have the signatures. The production versions that shipped from the very end of 1985 onward were mass produced with injection molding, and they all had signatures.

Nightshft · 10 December 2019, 01:59

So a cases without signature are rare and more valuable? (SCNR

)

AmigaHope · 10 December 2019, 05:53

Quote:

Originally Posted by Nightshft

So a cases without signature are rare and more valuable? (SCNR

)

Yup that's pretty much the case. xD (oof on the pun, sorry)

Turrican_3 · 12 December 2019, 16:42

Quote:

Originally Posted by AmigaHope

It's the opposite. The developer/demo systems sent out in 1985 had bespoke cases that didn't have the signatures. The production versions that shipped from the very end of 1985 onward were mass produced with injection molding, and they all had signatures.

Oh, so I got it very very VERY wrong! :-\

My apologies, I always hate spreading misinformation.

Pyromania · 20 February 2020, 09:12

ACA500plus Still working great in the Amiga 1000?

sparhawk · 20 February 2020, 10:57

I have no problems with it and it works fine so far. It's really a great thing. Only problem is, I don't know how to enable the CF card(s). It's still usefull though, because I can boot the KS disk from it, have 8MB RAM and also tried the 14MHz mode, though I usually keep it disabled, as I'm not sure if this is really safe to use, and my A1000 never had more then the 7MHz back then anyway.

dreadnought · 20 February 2020, 11:31

Quote:

Originally Posted by Pyromania

ACA500plus Still working great in the Amiga 1000?

My manual says - bolded - "Never connect the ACA500plus to an Amiga 1000! Please see wiki for more information"

Turrican_3 · 20 February 2020, 12:39

With the exception of an issue I've recently mentioned here (system crash when trying to choose boot partition with KS 3+) the ACA500plus seems to be working flawlessly in my A1000.

BUT, that very warning clearly makes me a bit nervous nevertheless, hence I wouldn't mind a version actually designed for it - not to mention this one is physically unstable and this makes the system slightly prone to crash.

sparhawk · 20 February 2020, 15:01

As far as I understood it the warning is mostly, because users didn't graps that the A500 port is the "wrong way" around as compared to the A1000. So I guess he got frequent reports that something is not working or damaging the machine, because users simply used it the wrong way.

d4rk3lf · 20 February 2020, 16:21

Quote:

Originally Posted by sparhawk

As far as I understood it the warning is mostly,.

You wanna say: we shouldn't hold icy cold beer on the card?

Toni Wilen · 20 February 2020, 17:01

Most likely reason is very dangerous myth from back the day: A1000 port was supposedly upside down compared to A500. It is back to front ("THIS SIDE UP!" marking on top of ACA500plus PCB stays on top even when connected to A1000), not upside down!

Connecting it upside down will kill it. (or in case of later "big dismo" version which has protection resistors that burn if it is connected upside down, preventing expensive chip damage)

AmigaHope · 20 February 2020, 20:12

Quote:

Originally Posted by Toni Wilen

Most likely reason is very dangerous myth from back the day: A1000 port was supposedly upside down compared to A500. It is back to front ("THIS SIDE UP!" marking on top of ACA500plus PCB stays on top even when connected to A1000), not upside down!

Connecting it upside down will kill it. (or in case of later "big dismo" version which has protection resistors that burn if it is connected upside down, preventing expensive chip damage)

C= really should have had a keying notch to prevent this. =(

Nightshft · 21 February 2020, 00:41

This guy made a nice stand (low-price) for the card and his A1000. I think it's awesome for the few bucks it costs.

The card is a normal ACA500 without "+". (Note the benchmark is higher because of using an ACA1233 card additionally.)

[ Show youtube player ]

Pyromania · 21 February 2020, 01:52

@Nightshft

Very nice!

r.cade · 21 February 2020, 03:17

Strangely, my ACA500+ doesn't work in either of my 500's, but works fine on my 1000. As long as it's seated right, anyway- it has to be propped up at a little bit of an angle to boot.

sparhawk · 21 February 2020, 10:14

I put some books and my gotek under it, so that it's propped up. It worked also without it, but I feel better this way. Don't know if the strain would damage something, if there is a constant drag on the port.

spudje · 21 February 2020, 11:38

Quote:

Originally Posted by r.cade

Strangely, my ACA500+ doesn't work in either of my 500's, but works fine on my 1000. As long as it's seated right, anyway- it has to be propped up at a little bit of an angle to boot.

I assume you know you have to connect it to the A500s in the opposite direction than to an A1000?

appiah4 · 21 February 2020, 12:10

Quote:

Originally Posted by spudje

I assume you know you have to connect it to the A500s in the opposite direction than to an A1000?

Opposite as in the CF cards face towards the back rather than being upside down?

d4rk3lf · 21 February 2020, 13:23

Quote:

Originally Posted by appiah4

Opposite as in the CF cards face towards the back rather than being upside down?

This

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10 December 2019, 01:59	#783
Nightshft Registered User Join Date: Mar 2018 Location: Austria Posts: 615	So a cases without signature are rare and more valuable? (SCNR )

20 February 2020, 09:12	#786
Pyromania Moderator Join Date: Jan 2002 Location: Chicago, IL Posts: 3,375	ACA500plus Still working great in the Amiga 1000?

20 February 2020, 10:57	#787
sparhawk Registered User Join Date: Sep 2019 Location: Essen/Germany Age: 55 Posts: 463	I have no problems with it and it works fine so far. It's really a great thing. Only problem is, I don't know how to enable the CF card(s). It's still usefull though, because I can boot the KS disk from it, have 8MB RAM and also tried the 14MHz mode, though I usually keep it disabled, as I'm not sure if this is really safe to use, and my A1000 never had more then the 7MHz back then anyway.

20 February 2020, 12:39	#789
Turrican_3 C= and Amiga aficionado! Join Date: Jul 2017 Location: Italy Posts: 318	With the exception of an issue I've recently mentioned here (system crash when trying to choose boot partition with KS 3+) the ACA500plus seems to be working flawlessly in my A1000. BUT, that very warning clearly makes me a bit nervous nevertheless, hence I wouldn't mind a version actually designed for it - not to mention this one is physically unstable and this makes the system slightly prone to crash.

20 February 2020, 15:01	#790
sparhawk Registered User Join Date: Sep 2019 Location: Essen/Germany Age: 55 Posts: 463	As far as I understood it the warning is mostly, because users didn't graps that the A500 port is the "wrong way" around as compared to the A1000. So I guess he got frequent reports that something is not working or damaging the machine, because users simply used it the wrong way.

20 February 2020, 17:01	#792
Toni Wilen WinUAE developer Join Date: Aug 2001 Location: Hämeenlinna/Finland Age: 49 Posts: 26,502	Most likely reason is very dangerous myth from back the day: A1000 port was supposedly upside down compared to A500. It is back to front ("THIS SIDE UP!" marking on top of ACA500plus PCB stays on top even when connected to A1000), not upside down! Connecting it upside down will kill it. (or in case of later "big dismo" version which has protection resistors that burn if it is connected upside down, preventing expensive chip damage)

21 February 2020, 00:41	#794
Nightshft Registered User Join Date: Mar 2018 Location: Austria Posts: 615	This guy made a nice stand (low-price) for the card and his A1000. I think it's awesome for the few bucks it costs. The card is a normal ACA500 without "+". (Note the benchmark is higher because of using an ACA1233 card additionally.) [ Show youtube player ]

21 February 2020, 01:52	#795
Pyromania Moderator Join Date: Jan 2002 Location: Chicago, IL Posts: 3,375	@Nightshft Very nice!

21 February 2020, 03:17	#796
r.cade Registered User Join Date: Aug 2006 Location: Augusta, Georgia, USA Posts: 548	Strangely, my ACA500+ doesn't work in either of my 500's, but works fine on my 1000. As long as it's seated right, anyway- it has to be propped up at a little bit of an angle to boot.

21 February 2020, 10:14	#797
sparhawk Registered User Join Date: Sep 2019 Location: Essen/Germany Age: 55 Posts: 463	I put some books and my gotek under it, so that it's propped up. It worked also without it, but I feel better this way. Don't know if the strain would damage something, if there is a constant drag on the port.

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