GVP A500-HD+ Boot problems

Borgy · 03 January 2018, 11:48

Hi folks,

Am seeking some help on my ancient GVP A500HD which is refusing to boot. It powers on, hdd is clearly alive but it simply won't start up Workbench. What I HAVE done is the following:

* Replaced the HDD with a SCSI drive that I know works with WB 1.3
* Removed the ram dimms in case any are damaged
* Rotated through all jumper settings

When going to the device's dignosis tool it DOES show one device as being not working ('Bad'/see picture). Not sure what it relates to, however.

Any help appreciated...hope you can see the attachments.

Kin Hell · 03 January 2018, 23:40

Probably the SCSI side of the device has lost it's magic smoke....

Does the Ram show okay when installed with the Memory Jumpers set accordingly?

Borgy · 04 January 2018, 13:02

I can't be sure. Whenever I have the jumpers in the correct setting (1+2, 6 + 8) the system never allows we to get into WB (disk or other). If I move J12 to give me the board diagnosis view (and then continue) it boots into WB but HDD doesn't appear in any shape or form.

Could it make a difference that I'm using an A500+?

Kin Hell · 04 January 2018, 15:28

According to the BBOAH, A500 or + should be fine. However, additional notes here http://amiga.resource.cx/exp/impact500mk2 suggest "problems may arise with the combination of A500, 8372A Agnus and an internal memory expansion with CPU or Gary adaptor - a trace has to be cut to solve the problem".

To be quite frank, you'll probably need to have this looked at by a competent repair Engineer.

Borgy · 05 January 2018, 12:19

Yeah I fear you might be right. Anyone good/reliable you'd recommend?

Sent from my F5321 using Tapatalk

Kin Hell · 08 January 2018, 01:13

I wouldn't want to favour anyone in particular & there are probably more knowledgeable guys on this forum who could advise you best.

I would suggest you start on our own Hardware Repair Service thread here:

http://eab.abime.net/showthread.php?t=81395

& if no joy here, maybe have a mooch around over @ AmiBay.

03 January 2018, 11:48	#1
Borgy Registered User Join Date: Jul 2014 Location: Wokingham/uk Posts: 109	GVP A500-HD+ Boot problems Hi folks, Am seeking some help on my ancient GVP A500HD which is refusing to boot. It powers on, hdd is clearly alive but it simply won't start up Workbench. What I HAVE done is the following: * Replaced the HDD with a SCSI drive that I know works with WB 1.3 * Removed the ram dimms in case any are damaged * Rotated through all jumper settings When going to the device's dignosis tool it DOES show one device as being not working ('Bad'/see picture). Not sure what it relates to, however. Any help appreciated...hope you can see the attachments. Attached Thumbnails

03 January 2018, 23:40	#2
Kin Hell 0ld0r Git Join Date: Mar 2009 Location: Cornwall, UK Posts: 1,647	Probably the SCSI side of the device has lost it's magic smoke.... Does the Ram show okay when installed with the Memory Jumpers set accordingly? Last edited by Kin Hell; 03 January 2018 at 23:54.

08 January 2018, 01:13	#6
Kin Hell 0ld0r Git Join Date: Mar 2009 Location: Cornwall, UK Posts: 1,647	I wouldn't want to favour anyone in particular & there are probably more knowledgeable guys on this forum who could advise you best. I would suggest you start on our own Hardware Repair Service thread here: http://eab.abime.net/showthread.php?t=81395 & if no joy here, maybe have a mooch around over @ AmiBay. Last edited by Kin Hell; 08 January 2018 at 01:24.

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04 January 2018, 13:02	#3
Borgy Registered User Join Date: Jul 2014 Location: Wokingham/uk Posts: 109	I can't be sure. Whenever I have the jumpers in the correct setting (1+2, 6 + 8) the system never allows we to get into WB (disk or other). If I move J12 to give me the board diagnosis view (and then continue) it boots into WB but HDD doesn't appear in any shape or form. Could it make a difference that I'm using an A500+?

04 January 2018, 15:28	#4
Kin Hell 0ld0r Git Join Date: Mar 2009 Location: Cornwall, UK Posts: 1,647	According to the BBOAH, A500 or + should be fine. However, additional notes here http://amiga.resource.cx/exp/impact500mk2 suggest "problems may arise with the combination of A500, 8372A Agnus and an internal memory expansion with CPU or Gary adaptor - a trace has to be cut to solve the problem". To be quite frank, you'll probably need to have this looked at by a competent repair Engineer.

05 January 2018, 12:19	#5
Borgy Registered User Join Date: Jul 2014 Location: Wokingham/uk Posts: 109	Yeah I fear you might be right. Anyone good/reliable you'd recommend? Sent from my F5321 using Tapatalk

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