Terrible Fire Accelerators - Page 194

plasmab · 25 October 2018, 15:31

Quote:

Originally Posted by alenppc

Excellent, I am going to test this after work tonight.

I have a new one by then..

I too am waiting to finish work to get it packaged out to everyone

plasmab · 25 October 2018, 17:28

And here it is... its gone 12 rounds of systest for me.. with the kipper2k card.

https://github.com/terriblefire/terr...0_25_alpha.zip

alenppc · 25 October 2018, 17:53

That's amazing, how did you solve it?

plasmab · 25 October 2018, 17:59

Quote:

Originally Posted by alenppc

That's amazing, how did you solve it?

Im not 100% sure i have yet.. lets see how you guys get on. Now i'm gonna look at SPI .. and i've started a new board.

Does anyone know how to load scsi.device into ram besides using CPU FASTROM?

SukkoPera · 25 October 2018, 18:05

Does this mean we can have 4+8 MB of fast RAM with the TF534 and the kipper2k cards on an A2000 for instance?

plasmab · 25 October 2018, 18:16

Quote:

Originally Posted by SukkoPera

Does this mean we can have 4+8 MB of fast RAM with the TF534 and the kipper2k cards on an A2000 for instance?

Yes. But the kipper ram still runs at 7Mhz so it’s v slow

EDIT: I mean its so slow you might be better setting up virtual memory and swapping to the CF card.

SukkoPera · 25 October 2018, 19:15

Thanks for the clarification! Can't wait to have this board in my hands!

kim_jorgensen · 25 October 2018, 19:23

Quote:

Originally Posted by plasmab

Does anyone know how to load scsi.device into ram besides using CPU FASTROM?

I think loadmodule will do the trick

8 Bit Dreams · 25 October 2018, 19:28

Quote:

Originally Posted by plasmab

Yes. But the kipper ram still runs at 7Mhz so it’s v slow

EDIT: I mean its so slow you might be better setting up virtual memory and swapping to the CF card.

How can be Zll RAM speed tested?
Asking, cause Matzes RAM-IDE board has it's own oscillator (50Mhz/2) so RAM on it is @25Mhz speed...

alenppc · 25 October 2018, 19:36

Quote:

Originally Posted by 8 Bit Dreams

How can be Zll RAM speed tested?
Asking, cause Matzes RAM-IDE board has it's own oscillator (50Mhz/2) so RAM on it is @25Mhz speed...

AIBB's memory latency index is a good start. On the start screen, click on You, then scroll through the various memory expansions to find out each Ram type's latency index. In fact, thanks to it, you can easily spot when Stephen adds or removes RAM waitstates in the firmware :-)

plasmab · 25 October 2018, 19:42

Quote:

Originally Posted by 8 Bit Dreams

How can be Zll RAM speed tested?
Asking, cause Matzes RAM-IDE board has it's own oscillator (50Mhz/2) so RAM on it is @25Mhz speed...

The ZII area on the TF534 is now fixed to 68000 7Mhz speed timings. its the only way to make the stupid cards that dont have a DTACK line work. I tried to detect the stupid cards but the Amiga chipset doesnt always play ball.

So no matter how fast your ram is it will not go any faster than 4 clock cycles.

EDIT: i cant see why you would have a 25Mhz OSC on a ram card for a 68000 socket. 25Mhz is a 80ns period so maybe it was for a refresh counter or something. An A500 cannot access ram that fast with a stock CPU so it would be pointless.

plasmab · 25 October 2018, 19:57

Quote:

Originally Posted by kim_jorgensen

I think loadmodule will do the trick

LoadModule scsi.device
Loading scsi.device failed: object not found

Doesnt seem to work. If i get a scsci.device it says already loaded.

8 Bit Dreams · 25 October 2018, 20:11

Unfortunately sandwich with Matze's 8MB ram isn't working, TF534 just doesn't boot..
My A2k 4MB card is recognised, but if fails to work too - Systest shows error..

Quote:

Originally Posted by plasmab

.. and i've started a new board..

May we have more info please, or will there be a stream about Your next project soon?

kim_jorgensen · 25 October 2018, 20:22

Quote:

Originally Posted by plasmab

LoadModule scsi.device
Loading scsi.device failed: object not found

Doesnt seem to work. If i get a scsci.device it says already loaded.

Hmm. I have only tried to load a newer scsi.device (43.45)

Edit: You can see at which address scsi.device is loaded in Sysinfo under the devices tab

plasmab · 25 October 2018, 20:51

Quote:

Originally Posted by 8 Bit Dreams

Unfortunately sandwich with Matze's 8MB ram isn't working, TF534 just doesn't boot..
My A2k 4MB card is recognised, but if fails to work too - Systest shows error..

Did you have a kipper2k card to try? I can adjust timings to make them tighter but this should have been safe 100%.. you are using the 2018/10/25 alpha? the 2018/10/24 has issues for sure.

Quote:

May we have more info please, or will there be a stream about Your next project soon?

Not until im into the routing phase.

8 Bit Dreams · 25 October 2018, 22:08

Quote:

Originally Posted by plasmab

Did you have a kipper2k card to try? I can adjust timings to make them tighter but this should have been safe 100%.. you are using the 2018/10/25 alpha? the 2018/10/24 has issues for sure.

Not until im into the routing phase.

Yes, have today's 10.25_Alpha fw,
No, haven't Kipper's card here, only Matzes 8MB, and
https://www.bigbookofamigahardware.c...t.aspx?id=1626

plasmab · 25 October 2018, 22:13

I cant really help without access to more cards. I have been using my A2000 with 13Mb of RAM all evening. Not one crash.

8 Bit Dreams · 25 October 2018, 22:25

Quote:

Originally Posted by plasmab

I cant really help without access to more cards. I have been using my A2000 with 13Mb of RAM all evening. Not one crash.

Well.. while ago on the stream we've talked about weekend challange, and You've asked what should be next.. Maybe it's time to give A2k some love, and design a RAM card that has all signals necessary, locates it's ram into Zlll space and works with TF530 and TF534?
that would be a dream for all A2000 users, i swear..
You know, a simple but efficient half size Zorro board, with 64MB, or even 128MB on it..

plasmab · 25 October 2018, 22:27

Quote:

Originally Posted by 8 Bit Dreams

Well..A while ago on the stream we have talked about weekend challange, and You've asked what should be next.. Maybe it's time to give A2k some love, and design a RAM card that has all signals necessary, locates it's ram into Zlll space and works with TF530 and TF534 that would be a dream for A2000 users...

But there are already cards that do this... cheap ones.

I really try to do things that havent been done before.

I'd like to know the timings of that 8Mb card.. is it the one with the GFX card on it? is there firmware code somewhere?

plasmab · 25 October 2018, 23:14

Ok i have the spi + flashrom working. I hope to get SD card support working soon.

Its just occured to me that i dont have A7, A9 or A10 wired up to the CPLD. So i dont think a transparent rom replacement will work this time round unless someone can write a MAPROM bootstrapper in 128 bytes of code...

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25 October 2018, 17:28	#3862
plasmab Banned Join Date: Sep 2016 Location: UK Posts: 2,917	And here it is... its gone 12 rounds of systest for me.. with the kipper2k card. https://github.com/terriblefire/terr...0_25_alpha.zip

25 October 2018, 17:53	#3863
alenppc Registered User Join Date: Apr 2012 Location: Canada Age: 44 Posts: 910	That's amazing, how did you solve it?

25 October 2018, 18:05	#3865
SukkoPera Mighty Pirate Join Date: Dec 2017 Location: On the borderline Age: 44 Posts: 177	Does this mean we can have 4+8 MB of fast RAM with the TF534 and the kipper2k cards on an A2000 for instance?

25 October 2018, 19:15	#3867
SukkoPera Mighty Pirate Join Date: Dec 2017 Location: On the borderline Age: 44 Posts: 177	Thanks for the clarification! Can't wait to have this board in my hands!

25 October 2018, 22:13	#3877
plasmab Banned Join Date: Sep 2016 Location: UK Posts: 2,917	I cant really help without access to more cards. I have been using my A2000 with 13Mb of RAM all evening. Not one crash.

25 October 2018, 23:14	#3880
plasmab Banned Join Date: Sep 2016 Location: UK Posts: 2,917	Ok i have the spi + flashrom working. I hope to get SD card support working soon. Its just occured to me that i dont have A7, A9 or A10 wired up to the CPLD. So i dont think a transparent rom replacement will work this time round unless someone can write a MAPROM bootstrapper in 128 bytes of code...

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