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Amiga computer related discussion => Amiga Hardware Issues and discussion => Topic started by: VJ-AIWAZ on November 20, 2004, 06:22:46 AM

Title: STRANGE MOD ON A3000
Post by: VJ-AIWAZ on November 20, 2004, 06:22:46 AM
today a friend of mine gave me a bunch of amiga stuff an a500 with a mega midget racer 030 with the ram card and also a derringer 030 50mhz  and finally a a3000 with a rapid fire scsi card (no ram) it was connected to a internal style scsi cd but since theres no room in the case its was just wired external with a ribbon cable and the other card was a gvp a2000 hc8-II (fully populate with ram but no drives)
its a rev 7 mobo but the strange thing  is first on the Denise chip theres a sticker that says "warp" and also on jumper 200 "j200"  there are 2 wires soldered to pins 1 and 3 with no switch but the wires are loosely twisted together so loose that i dont know if they need to be tied together or not
and from what i have read j200 is the pal ntsc selector but pin 1 and 3 are never tied together in any scenario i read about so what to do next should i try and boot it with the wires together or not or should i remove them and jumper it for ntsc
any help is appreciated
AIWAZ
Title: Re: STRANGE MOD ON A3000
Post by: TjLaZer on November 20, 2004, 07:41:44 AM
A pic would be helpful.
Title: Re: STRANGE MOD ON A3000
Post by: Argus on November 20, 2004, 11:27:34 PM
What revision is the A3000 motherboard?
Title: Re: STRANGE MOD ON A3000
Post by: K7HTH on November 20, 2004, 11:45:10 PM
Quote

VJ-AIWAZ wrote:

its a rev 7 mobo
Title: Re: STRANGE MOD ON A3000
Post by: HopperJF on November 21, 2004, 12:58:42 AM
Amiga 3000 is a piece of crap. Not fit for a skip. You want an Amiga 2000 they are the best computers in the world  :-D


/Doomy OFF  :lol:
Title: Re: STRANGE MOD ON A3000
Post by: Doobrey on November 21, 2004, 01:10:09 AM
Quote

VJ-AIWAZ wrote:
from what i have read j200 is the pal ntsc selector but pin 1 and 3 are never tied together in any scenario

Does J200 look like it`s been soldered to on pin 2?

It could be that there was a 2 way switch that connected 1-2 or 2-3, and the switch and the wire to p2 has come off at some point.
Title: Re: STRANGE MOD ON A3000
Post by: VJ-AIWAZ on November 21, 2004, 04:07:13 AM
well i started it with the wires tied together and it seems to work fine
and from what i can tell pin 2 never had any wire attached
and oh there is one correction i would like to make i mistyped the print on the denise sticker it actually says "wrap"

john
Title: Re: STRANGE MOD ON A3000
Post by: VJ-AIWAZ on November 21, 2004, 04:27:19 AM
.
Title: Re: STRANGE MOD ON A3000
Post by: Framiga on November 21, 2004, 12:46:38 PM
Hi VJ-AIWAZ

onestly, i've never seen jumper pins 1-3 tied toghether but if it works in this way! . .

EDIT- just read again your post . . . have you tryed to unwrap the 2 wires?
Title: Re: STRANGE MOD ON A3000
Post by: VJ-AIWAZ on November 21, 2004, 01:01:07 PM
its funny you ask i just tried that before seeing your edited post
well any way it boots fine either way



and for the record i am using a SVGA monitor with the switch on the back of the a3000 enabled
Title: Re: STRANGE MOD ON A3000
Post by: K7HTH on November 24, 2004, 09:11:51 AM
Quote

HopperJF wrote:
Amiga 3000 is a piece of crap. Not fit for a skip. You want an Amiga 2000 they are the best computers in the world  :-D


/Doomy OFF  :lol:


Hmmmmm. I have an A500D/A500D+/A1200HD/A200HD/A4000HD 040 with an A3000 on the way. I will have to do some comparing of my own to rate this blatant flame on the Amiga 3000.