Apollo 630 help

DoogUK · 10 April 2009, 10:18

i have bought a faulty apollo 630 accelerator and i'm trying to revive it.

When you turn the amiga on it just hangs on a black screen, whoever owned it desoldered the cpu and installed a socket on the board...which i found a couple of dry joints on and rectified but it still just hangs on a black screen.
The cpu is warm to touch after a minute or so but it is the original desoldered cpu as far as i can tell and i've heard these do not work well in sockets.
Unfortunately i do not have a spare 030 cpu to try in the board.

I've cleaned and reseated the smaller mach chips...anyone have any suggestions?

TheCorfiot · 10 April 2009, 10:24

@Doog

Whip the 030 out of your A2630 to test the A630

TC

DoogUK · 10 April 2009, 10:26

thats soldered in mate and i realy dont want to tempt fate with that one lol.

Also the apollo is designed for 40 or 50mhz cpu's...not sure if an 25mhz one will affect chip timings etc.

chiark · 10 April 2009, 11:07

Have you tried disabling the 68030 on the 630 and seeing if the machine boots with it in place? Not sure that'll prove anything, but at least it might show the contacts are working?

DoogUK · 10 April 2009, 16:03

How do i do that Nick?

frost242 · 10 April 2009, 17:46

Just one thing: what's your mobo revision ? I had a 1.3 which didn't work with the Apollo. I had to go for another rev (here 1.1 but all other work expect 1.3).
It's just to be sure

DoogUK · 10 April 2009, 18:08

tried it on a 1.3 and a 1.5

mfletcher · 10 April 2009, 18:19

@DoogUK - you could try sending it to JJB at AmigaCenter France to see if he can fix it?

DoogUK · 10 April 2009, 18:47

i think i may have to

chiark · 14 April 2009, 10:30

Sorry for the late reply... On the 620, there's a jumper to disable the 020 and just use the 68000...

DoogUK · 14 April 2009, 19:04

ahh there's not one on the 630 i think...will check

frost242 · 14 April 2009, 19:16

No, in no way you can disable the 030... but if you find a way, let me know

chiark · 15 April 2009, 14:31

Ah bugger, apologies for the false hope. On the 620 there's a simple jumper... Looks like the 630 just has "RAM" and "WAIT" jumpers, but no fallback jumper.

10 April 2009, 10:18	#1
DoogUK Doogster Join Date: Dec 2007 Location: Dorset Posts: 1,069	Apollo 630 help i have bought a faulty apollo 630 accelerator and i'm trying to revive it. When you turn the amiga on it just hangs on a black screen, whoever owned it desoldered the cpu and installed a socket on the board...which i found a couple of dry joints on and rectified but it still just hangs on a black screen. The cpu is warm to touch after a minute or so but it is the original desoldered cpu as far as i can tell and i've heard these do not work well in sockets. Unfortunately i do not have a spare 030 cpu to try in the board. I've cleaned and reseated the smaller mach chips...anyone have any suggestions?

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10 April 2009, 10:24	#2
TheCorfiot Amibay Senior Staff Join Date: Feb 2008 Location: Cardiff / Wales Posts: 1,302	@Doog Whip the 030 out of your A2630 to test the A630 TC

10 April 2009, 10:26	#3
DoogUK Doogster Join Date: Dec 2007 Location: Dorset Posts: 1,069	thats soldered in mate and i realy dont want to tempt fate with that one lol. Also the apollo is designed for 40 or 50mhz cpu's...not sure if an 25mhz one will affect chip timings etc.

10 April 2009, 11:07	#4
chiark Needs a life Join Date: Jan 2008 Location: England Posts: 1,707	Have you tried disabling the 68030 on the 630 and seeing if the machine boots with it in place? Not sure that'll prove anything, but at least it might show the contacts are working?

10 April 2009, 16:03	#5
DoogUK Doogster Join Date: Dec 2007 Location: Dorset Posts: 1,069	How do i do that Nick?

10 April 2009, 17:46	#6
frost242 Registered User Join Date: Oct 2007 Location: France, 87 Age: 44 Posts: 96	Just one thing: what's your mobo revision ? I had a 1.3 which didn't work with the Apollo. I had to go for another rev (here 1.1 but all other work expect 1.3). It's just to be sure

10 April 2009, 18:08	#7
DoogUK Doogster Join Date: Dec 2007 Location: Dorset Posts: 1,069	tried it on a 1.3 and a 1.5

10 April 2009, 18:19	#8
mfletcher Bawbag. Join Date: Mar 2008 Location: Chicago, USA Posts: 375	@DoogUK - you could try sending it to JJB at AmigaCenter France to see if he can fix it?

10 April 2009, 18:47	#9
DoogUK Doogster Join Date: Dec 2007 Location: Dorset Posts: 1,069	i think i may have to

14 April 2009, 10:30	#10
chiark Needs a life Join Date: Jan 2008 Location: England Posts: 1,707	Sorry for the late reply... On the 620, there's a jumper to disable the 020 and just use the 68000...

14 April 2009, 19:04	#11
DoogUK Doogster Join Date: Dec 2007 Location: Dorset Posts: 1,069	ahh there's not one on the 630 i think...will check

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14 April 2009, 19:16	#12
frost242 Registered User Join Date: Oct 2007 Location: France, 87 Age: 44 Posts: 96	No, in no way you can disable the 030... but if you find a way, let me know

15 April 2009, 14:31	#13
chiark Needs a life Join Date: Jan 2008 Location: England Posts: 1,707	Ah bugger, apologies for the false hope. On the 620 there's a simple jumper... Looks like the 630 just has "RAM" and "WAIT" jumpers, but no fallback jumper.