GVP 030 Combo red screen issue

[Tahoe]

Ugh -- it is obvious, isn't it? I guess you can chalk that up to a brain cramp. I guess I'll have to decide if it is worth spending $15 on the 4.15 ROM, as it seems pretty iffy to me whether or not it will fix the problem since the 4.05 ROM is dated 1992 and 2.xx was released in 1990.

The only thing I can think of is that the ROM is defective. A 4.(0)5 should work fine with Kickstart 2+. If you need a 4.15 (never officially released BTW, the last official ROM from GVP was 4.13) PM me and we'll work something out.

What happens if you take the Multistart out of the equation? I mean, take the 2.04 ROM from the multistart and put it straight in the kickstart socket?

If you want to know if it's the 4.5 ROM that is causing problems, remove J9, it should disable SCSI.

Set a jumper J3 to disable the MMU if you want to know if it's not some kickstart remapping problem (unlikely)

If you have a rev 4 board (GVP) check CN15 and make sure it's set at pins 1-2, not 2-3.

[blanghorst]

The only thing I can think of is that the ROM is defective. A 4.(0)5 should work fine with Kickstart 2+. If you need a 4.15 (never officially released BTW, the last official ROM from GVP was 4.13) PM me and we'll work something out.

Thanks. I'm in the US, so it might be easier for both of us if I just buy it off of eBay.
 

What happens if you take the Multistart out of the equation? I mean, take the 2.04 ROM from the multistart and put it straight in the kickstart socket?

That's my next step. I just ran out of time last night because the wife and I had to watch the college basketball championship.
 

If you want to know if it's the 4.5 ROM that is causing problems, remove J9, it should disable SCSI.
 
Set a jumper J3 to disable the MMU if you want to know if it's not some kickstart remapping problem (unlikely)
 
If you have a rev 4 board (GVP) check CN15 and make sure it's set at pins 1-2, not 2-3.

Thanks for these tips. I believe I did remove J9 and it didn't work, but I will try again.

[blanghorst]

Guys, I have another question which I am not sure has ever been answered.  On the GVP 030 board, is the sole purpose of the ROM the SCSI controller or does it have logic for the accelerator side as well?

[mongo]

Guys, I have another question which I am not sure has ever been answered.  On the GVP 030 board, is the sole purpose of the ROM the SCSI controller or does it have logic for the accelerator side as well?

It most likely configures the RAM too.

[blanghorst]

I figured "what the heck" and bought the 4.15 ROM from eBay. I figure if I have to end up selling the accelerator, I might as well include the most recent ROMs.

[shaf]

I think the ROM controls both RAM and SCSI, otherwise why is there a SCSI Disable Jumper at J4.

[blanghorst]

I think the ROM controls both RAM and SCSI, otherwise why is there a SCSI Disable Jumper at J4.

Yeah, I think you're right.  I won't have time to really play with it until the weekend or early next week, so I'll post my results.  I hope I can get it working with the accelerator.  This A2000 has some sentimental value -- it was my high school graduation present 22 years ago and as a poor college kid, I couldn't afford things like accelerators, flickerfixers, etc.  I thought it would be a fun hobby to get into now.

[gertsy]

I praise your thoughts.  With the words of the song "Hotel California" sounding softly in the distance..

Good Luck.

[blanghorst]

Hmm? I was thinking a possible Pwr supply issue. Adding the extra card might be pushing it enough to freak out. But seeing youve removed the A2091 and it's fine on KS 1.3 that wouldnt make sense. Red=Rom problem as identified.
The 2.04 Rom doesn't have a soldered wire across the top of it ?
 
If you're game enough you could try the 2.04 in the A2000 socket proper.
 
The updated roms only make the GVP a tad faster. It should work fine. Especially seeing it works under 1.3.....

And the winner is -- gertsy! I finally got the parts I ordered (the latest GVP 4.15 ROM and a Kickstart 2.04 ROM) along with a flickefixer. The GVP ROM did not fix the issue. So, I flipped the drive cage over and noticed that at some point, my old Kickstart 2.04 ROM (this was a 1990 original) had a resistor or something soldered across a couple of pins. For whatever reason, it worked fine until I put the accelerator in.
 
So I put my new Kickstart ROM in, along with the flickerfixer, and everything works AND I can see it on my Dell U2410 monitor!! :lol:
 
Thanks to everyone that has helped me. I now have an Amiga 2000 with a 40 Mhz 68030, 68882 FPU, Microway flickerfixer, and a Multistart II board. The only thing I don't have working is the hard drive on the GVP board (it isn't powered up and I currently have autoboot disabled on it); I don't care too much about that because I have my eye on an IDE controller and I may go ahead and replace that drive and my 2091 with a CF drive.
 
Thanks guys!

[save2600]

whoops, got to this thread a little late. That Kickstart chip you had is only good for certain mobo's. Clip off that lead or resistor and try again - I bet that would have done the trick.

You take that Kickstart chip off one board and insert it in another?

[blanghorst]

whoops, got to this thread a little late. That Kickstart chip you had is only good for certain mobo's. Clip off that lead or resistor and try again - I bet that would have done the trick.
 
You take that Kickstart chip off one board and insert it in another?

Well, that's the odd part -- there was no connection physically present on the old Kickstart 2.04 chip.  You could see the solder and a bit of a wire lead on a couple of pins, but the resistor or wire was physically not present.  I didn't bother trying to insert the old ROM directly into the motherboard -- I inserted the new one I bought, it worked, and then I moved it into the Multistart board and hooked the MS board back into the KS socket on the board and clipped it back on the Gary.
 
This ROM and Multistart board were originally in a rev 4.3 board and when it was damaged by a battery leak (which I need to repair one day), I bought a 6.2 board off of eBay.

[alexh]

I don't care too much about that because I have my eye on an IDE controller and I may go ahead and replace that drive and my 2091 with a CF drive.

Better to get SCSI->IDE->CF adapters than an IDE controller. It will be much faster and use less CPU.

Something like an Acard AEC-7720U.

[gertsy]

whoops, got to this thread a little late. That Kickstart chip you had is only good for certain mobo's. Clip off that lead or resistor and try again - I bet that would have done the trick.

You take that Kickstart chip off one board and insert it in another?

'Cummon Save, You can't steal my glory now.!!!
Dancing Bananas.  :banana:  :banana:Anything later than an A2000 Rev 4.4!!! :banana:  :banana:
Bananas: Which are at $9 a Kg over here ar the moment 'cause of the Queensland floods and Cyclone.

Congrats blanghorst...   Enjoy to the max.  Buddah IDE is great, 'cept for CF Cards.

[blanghorst]

'Cummon Save, You can't steal my glory now.!!!
Dancing Bananas. :banana: :banana:Anything later than an A2000 Rev 4.4!!! :banana: :banana:
Bananas: Which are at $9 a Kg over here ar the moment 'cause of the Queensland floods and Cyclone.
 
Congrats blanghorst... Enjoy to the max. Buddah IDE is great, 'cept for CF Cards.

Yeah, I am going to have to research getting it to work with CF cards. I know it is possible but it seems that you have to hack around a little.
 
Thanks for the recommendation Alex. Acard AEC-7720U seems too expensive though, unfortunately.

[alexh]

Thanks for the recommendation Alex. Acard AEC-7720U seems too expensive though, unfortunately.

Wait for a while and you can get one (of the 3 known compatible SCSI->IDE adapters) for under the price of a Buddha IDE

AEC-7720U
http://www.synack.net/~bbraun/ridsce.html
Yamaha V769970

Oh, I also forgot that there is this :

http://a4000t.com/store/index.php?main_page=product_info&cPath=65&products_id=184

[blanghorst]

Oh, I also forgot that there is this :
 
http://a4000t.com/store/index.php?main_page=product_info&cPath=65&products_id=184

Ok, now THAT is interesting.  I was hoping to go with an actual IDE interface in order to add an NEC 4 X 4 changer, but that price is really attractive.  Has anyone used it?  I assume a bootable CF would be no problem?