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AuthorTopic: A500 crash when harddrive connected - post recap.  (Read 922 times)

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Offline Munchkin

Re: A500 crash when harddrive connected - post recap.
« Reply #15 on: January 12, 2019, 09:40:58 PM »
Well, did get some errors on memory test. Don't really know what to make of it though, my hardware knowledge doesn't go deep enough.



Besides this nothing seems to be wrong according to Systest.
 

Offline paul1981

Re: A500 crash when harddrive connected - post recap.
« Reply #16 on: January 13, 2019, 12:27:33 PM »
It's pointing out some faulty Fast RAM on your GVP. Can you re-seat all the RAM and test again? I presume you pressed F2 and it completed with this final screen pointing the errors out?

Edit: Well, at least I think it is (having never used the software nor read the docs!)
« Last Edit: January 13, 2019, 12:33:51 PM by paul1981 »
 

Offline Munchkin

Re: A500 crash when harddrive connected - post recap.
« Reply #17 on: January 13, 2019, 01:52:47 PM »
As far as I can figure out it points at the memory on the RAM-32 on the VXL-30, that's the address space at least.
 

Offline paul1981

Re: A500 crash when harddrive connected - post recap.
« Reply #18 on: January 14, 2019, 11:10:30 AM »
Ah I see, you have the GVP and VXL hooked up together.
 

Offline Munchkin

Re: A500 crash when harddrive connected - post recap.
« Reply #19 on: January 14, 2019, 09:51:43 PM »
Exactly. THough, testing further I get errors on the 4 MB on the gvp controller as well so those might also be bad. That might explain why the computer crashes with only the gvp connected, the faulty ram is accessed as it tries to boot. Going to swap around the memory sticks on it to see if anything changes. Wonder where one can find 120ns 30 pin Simms these days.
 

Offline Munchkin

Re: A500 crash when harddrive connected - post recap.
« Reply #20 on: January 16, 2019, 09:28:38 PM »
How do you remove the 30 pin simms without destroying the sockets? It's been 25 years since I installed them, I just don't remember how and since all slots are populated I can't see what it looks like underneath. I see some "notches" in the holes of the simms but trying to push them down doesn't seem to make things easier. It's like they're welded in place.
 

Offline paul1981

Re: A500 crash when harddrive connected - post recap.
« Reply #21 on: January 18, 2019, 06:09:42 PM »
Anyone?
 

Offline Munchkin

Re: A500 crash when harddrive connected - post recap.
« Reply #22 on: January 21, 2019, 10:48:49 AM »
I managed to remove the simms. I've cleaned everything up and I still got errors.

Though, I think something's a bit fishy here. I remember I ordered my HD8+ with some ram so two of the simms were installed when I got it. I can't remember if I ordered it with 2 or 4 MB though.

Later on 2 more simms were added, I don't remember if it made any difference though.

THe Amiga have read it as 4MB ram though. However, now that I removed them all and cleaned things upp as much as I could I reinstalled two simms and moved the jumpers to the coorect positions. After booting up it still says 4MB. So I changed to the other two simms and the same thing. I located the manual and read a bit. Noticed that the J12 jumper was in the wrong position, it was set for 8MB, so I moved that to the correct position. After reboot here I got a startup error claiming the board was faulty. So, I'm a bit stumped as to what's wrong with these simms, or if it's the board somehow.

Removed all simms and moved all jumpers to 0MB position and everything booted fine.

Including a pic of the simms I have. I have no clue about how to determine the size of them. I'm not surprised that the system have been unstable since this clearly has been wrong from the beginning. My 500 did always crash a lot when using larger amount of ram. The fact that it's been more unstable since I unpacked it again is probably due to some failure with the 32-bit ram that wasn't there before.

So, can anyone tell me what sizes these are?


 

Offline pyrre

Re: A500 crash when harddrive connected - post recap.
« Reply #23 on: January 21, 2019, 06:40:49 PM »
According to this sheet the goldstar modules are 4M bit.

edit: corr. typo :D
« Last Edit: January 21, 2019, 06:43:41 PM by pyrre »
Amiga 1200 Tower Os 3.9
BPPC 603e+ 040-25/200, 256MBram, BVIsionPPC, Indivision AGA MK2.
Amiga 2000 (rev 4.0) Os 1.2/1.3
2088 bridgeboard, 2MB ram card, 2091 SCSI.
Amiga 500+ Os 2.1
Derringer 030, 32MBram, Buddha in sidecar, Indivision ECS.
Amiga CD32
Optional Video decoder for CDI movies

Commodore CDTV
Efika MorphOS
Mac mini G4 MorphOS
 

Offline Munchkin

Re: A500 crash when harddrive connected - post recap.
« Reply #24 on: January 21, 2019, 11:34:31 PM »
Yeah, I guessed they are 1 MB simms but from what I could dig up myself I wasn't quite sure. Don't know what's wrong though since the GVP controller doesn't accept them as such. It seems more likely that it's the controller that's broken somehow. The SCSI interface works just fine, the memory part not so much.

Oh well. Hope I can find some other simms to test with. Seems to be some on ebay so might give it a try with 2x4MB
 

Offline pyrre

Re: A500 crash when harddrive connected - post recap.
« Reply #25 on: January 22, 2019, 02:12:34 AM »
Hmmm... GVP you say...
I dont know if it apply to the one gvp you got.
But i do recollect that gvp was wery picky about ram sticks. and/or only accepted gvp simms....
Amiga 1200 Tower Os 3.9
BPPC 603e+ 040-25/200, 256MBram, BVIsionPPC, Indivision AGA MK2.
Amiga 2000 (rev 4.0) Os 1.2/1.3
2088 bridgeboard, 2MB ram card, 2091 SCSI.
Amiga 500+ Os 2.1
Derringer 030, 32MBram, Buddha in sidecar, Indivision ECS.
Amiga CD32
Optional Video decoder for CDI movies

Commodore CDTV
Efika MorphOS
Mac mini G4 MorphOS
 

Offline Munchkin

Re: A500 crash when harddrive connected - post recap.
« Reply #26 on: January 23, 2019, 01:03:34 AM »
That's the 64 pin simms that were used in some other products.

No, either all of my simms are bad or there's something wrong with the board. Need to find some replacement simms to check.