Sonnet 7200 PCI programming - Page 73

jack-3d · 09 January 2018, 08:52

Quote:

Originally Posted by grelbfarlk

CY7C1347G-250AXC-ND were the 250MHz chips I used. You should be able to get them from Digikey or Mouser or any part supplier. And if you get it up to 500MHz you can use the 2:1 divider. I was hoping to use 1.5 divider with these at 400MHz for 266MHz but that extra 16MHz was too apparently too much.

I have to look up that CPU, as I recall you want a 2.2V version.

Going to send my card to upgrade/CPU replacement. I am going to buy this CPU, can you please confirm this one is gonna work? https://www.ebay.com/itm/IBM-PPC750L...-/151374574697

Before any other activities I need to know if the CPU replacement solved the problem. Will be native 500 MHz CPU working at 400 MHz as the sonnet is set to this clock with now? Or will this require changing the clock rate on the PCB before the CPU replacement?

If CPU replacement solves the problem Cache chip will be also replaced by the proposed CY7C1347G-250AXC-ND. This Chip seems to be 4 MB, how this is done that CPU will use 1 MB of it and not 512 kB like before? Any activity needed to be done to activate 1 MB Cache? Or CPU uses automatically 1 MB if available?

Can you please also share the link with documentation of the clock rate setup on the PCB?

Thank you all for support, now I will need some luck ;o)

grelbfarlk · 09 January 2018, 13:06

https://github.com/Sakura-IT/SonnetA...ardware-Clocks

It will run the CPU at whatever rate is set on the board via the resistors, so if you replace the CPU without changing anything else, it will run at 400MHz.

Cache upgrade requires no changes to the board, the library should just detect the correct amount and for 1MB set the speed accordingly at 200MHz for 400MHz CPU, 2:1 divider. And remember you need two of these cache chips which are 4mb=512KB.

That CPU looks correct but I would double check to make sure it is the 2.1-2.2V version. If it is 1.8V that is still an unknown whether it will work. Don't have time right this moment to check.
*EDIT* That looks like the correct chip.
I would not recommend really buying from some random ebay shop like that but who knows it all might work out.

Quote:

Originally Posted by jack-3d

Going to send my card to upgrade/CPU replacement. I am going to buy this CPU, can you please confirm this one is gonna work? https://www.ebay.com/itm/IBM-PPC750L...-/151374574697

Before any other activities I need to know if the CPU replacement solved the problem. Will be native 500 MHz CPU working at 400 MHz as the sonnet is set to this clock with now? Or will this require changing the clock rate on the PCB before the CPU replacement?

If CPU replacement solves the problem Cache chip will be also replaced by the proposed CY7C1347G-250AXC-ND. This Chip seems to be 4 MB, how this is done that CPU will use 1 MB of it and not 512 kB like before? Any activity needed to be done to activate 1 MB Cache? Or CPU uses automatically 1 MB if available?

Can you please also share the link with documentation of the clock rate setup on the PCB?

Thank you all for support, now I will need some luck ;o)

jack-3d · 10 January 2018, 07:32

OK I agree, I also would rather buy CPU chip somewhere in the specialized shop, but where? Does such shop exist?

grelbfarlk · 10 January 2018, 14:47

Quote:

Originally Posted by jack-3d

OK I agree, I also would rather buy CPU chip somewhere in the specialized shop, but where? Does such shop exist?

I'm sorry I don't have a good suggestion for you.

jack-3d · 10 January 2018, 15:19

Will try Amibay Wanted thread ;oP

DarrenHD · 10 January 2018, 18:11

Quote:

Originally Posted by jack-3d

Will try Amibay Wanted thread ;oP

Sorry to hear about your Sonnet hardware troubles Jack-3d. I always get so stressed out dealing with all the old hardware, you have to be very careful and it's easy for things to go wrong.

I've sold most of my A4000 class systems, but I have one remaining, with a CS MK2 and Sonnet. I try not to disturb it now

I have an A2000/060 as well, and CD32 (stock) and CDTV. That is it.

Darren

grelbfarlk · 10 January 2018, 23:13

So we have a new toy to play with, that we have just got running. It is not optimized yet and not 100% stable but far enough along that I feel comfortable mentioning it.

Here is something to chew on.

And the good ol' Sonnet to compare.

jack-3d · 10 January 2018, 23:24

OMG!

grelbfarlk · 11 January 2018, 00:31

OKAY. So more All (?) things are running. Some All (?) real world apps running. Q2 58FPS @ 640x480, 909.95 Bogomips, Q3 30FPS @ 640x480 with sound on (running a very very simple demo).

Now we need some Altivec apps to test.

There are problems though. Have to use an unofficial PCI library since the current version initializes some registers on boot. So we need Elbox to release a fixed version of pci.library.

Next problem is that memory configuration is far from optimized, so I think it's running a lot slower than it should be.

A little bit of tweaking:

nexus · 11 January 2018, 00:33

Whuahahaha IRC freenode #RAPTURE-G4

trixster · 11 January 2018, 09:00

Great development! Well done!

Hedeon · 11 January 2018, 09:54

Just to clarify, this is not a Sonnet. It seems power hungry. It does not work stable in my A3000. Or I have a faulty card.

Cowcat · 11 January 2018, 10:16

Quote:

this is not a Sonnet

jack-3d · 11 January 2018, 10:33

When its not Sonnet, what is it then?

nexus · 11 January 2018, 10:37

cant say yet but soon and we have faster stuff to try yet stay tuned

i will say this we dont use EDO anymore

kgc210 · 11 January 2018, 11:13

Quote:

Originally Posted by jack-3d

When its not Sonnet, what is it then?

Would be nice if it's a diy version?

Good work guys on the programming side, shame the Sonnet 7200 are so dear though.

nexus · 11 January 2018, 11:29

forget about that slow thing its history and there was more work than just programming also there are many cpus to choose from 603 to G4

also we have more hardware issues yet to solve not with the card per say but other factors

spudje · 11 January 2018, 11:43

Interesting....

trixster · 11 January 2018, 11:43

Exciting!

nexus · 11 January 2018, 11:58

also i dont wanna get ahead of myself or the team but cross your fingers as we may see L3 cache on some G4's

10 January 2018, 23:13	#1447
grelbfarlk Registered User Join Date: Dec 2015 Location: USA Posts: 2,976	So we have a new toy to play with, that we have just got running. It is not optimized yet and not 100% stable but far enough along that I feel comfortable mentioning it. Here is something to chew on. And the good ol' Sonnet to compare. Last edited by grelbfarlk; 11 January 2018 at 00:13.

11 January 2018, 00:31	#1449
grelbfarlk Registered User Join Date: Dec 2015 Location: USA Posts: 2,976	OKAY. So more All (?) things are running. Some All (?) real world apps running. Q2 58FPS @ 640x480, 909.95 Bogomips, Q3 30FPS @ 640x480 with sound on (running a very very simple demo). Now we need some Altivec apps to test. There are problems though. Have to use an unofficial PCI library since the current version initializes some registers on boot. So we need Elbox to release a fixed version of pci.library. Next problem is that memory configuration is far from optimized, so I think it's running a lot slower than it should be. A little bit of tweaking: Last edited by grelbfarlk; 11 January 2018 at 03:37.

11 January 2018, 00:33	#1450
nexus Registered User Join Date: Aug 2017 Location: USA Posts: 728	Whuahahaha IRC freenode #RAPTURE-G4 Last edited by nexus; 11 January 2018 at 00:47.

11 January 2018, 09:00	#1451
trixster Guru Meditating Join Date: Jun 2014 Location: England Posts: 2,356	Great development! Well done! Last edited by trixster; 11 January 2018 at 11:45. Reason: Deleted 7200 G4 assumption!

11 January 2018, 11:29	#1457
nexus Registered User Join Date: Aug 2017 Location: USA Posts: 728	forget about that slow thing its history and there was more work than just programming also there are many cpus to choose from 603 to G4 also we have more hardware issues yet to solve not with the card per say but other factors Last edited by nexus; 11 January 2018 at 11:35.

10 January 2018, 07:32	#1443
jack-3d kLiker Join Date: Mar 2011 Location: Brno / Czech Republic Posts: 371	OK I agree, I also would rather buy CPU chip somewhere in the specialized shop, but where? Does such shop exist?

10 January 2018, 15:19	#1445
jack-3d kLiker Join Date: Mar 2011 Location: Brno / Czech Republic Posts: 371	Will try Amibay Wanted thread ;oP

10 January 2018, 23:24	#1448
jack-3d kLiker Join Date: Mar 2011 Location: Brno / Czech Republic Posts: 371	OMG!

11 January 2018, 09:54	#1452
Hedeon Semi-Retired Join Date: Mar 2012 Location: Leiden / The Netherlands Posts: 2,055	Just to clarify, this is not a Sonnet. It seems power hungry. It does not work stable in my A3000. Or I have a faulty card.

11 January 2018, 10:33	#1454
jack-3d kLiker Join Date: Mar 2011 Location: Brno / Czech Republic Posts: 371	When its not Sonnet, what is it then?

11 January 2018, 10:37	#1455
nexus Registered User Join Date: Aug 2017 Location: USA Posts: 728	cant say yet but soon and we have faster stuff to try yet stay tuned i will say this we dont use EDO anymore

11 January 2018, 11:43	#1458
spudje Registered User Join Date: Dec 2014 Location: Netherlands Posts: 1,408	Interesting....

11 January 2018, 11:43	#1459
trixster Guru Meditating Join Date: Jun 2014 Location: England Posts: 2,356	Exciting!

11 January 2018, 11:58	#1460
nexus Registered User Join Date: Aug 2017 Location: USA Posts: 728	also i dont wanna get ahead of myself or the team but cross your fingers as we may see L3 cache on some G4's

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