User avatar
m0c
Utrecht, Netherlands

Posted Tue May 16, 2023 1:35 pm

For those who insist on using an adapter with RAM onboard: try this one. It can be bought preassembled from Sordan in Ireland.

I am yet to find any reports of someone who successfully omitted the Rejuvenator's onboard RAM, so your mileage may vary. I personally wouldn't take any risks and go for 4x 514400 on SOJ-to-DIP adapters, e.g. the ones at Sordan's.

User avatar
A1-X1000
Toronto, Canada

Posted Wed May 17, 2023 6:34 pm

m0c wrote:
Tue May 16, 2023 1:35 pm
For those who insist on using an adapter with RAM onboard: try this one. It can be bought preassembled from Sordan in Ireland.

I am yet to find any reports of someone who successfully omitted the Rejuvenator's onboard RAM, so your mileage may vary. I personally wouldn't take any risks and go for 4x 514400 on SOJ-to-DIP adapters, e.g. the ones at Sordan's.
hmm out of curiosity where does that wire need to soldered on the Rejuvenator ???

also where can I find the 4 ram chips for the SOJ-to-DIP adapters ?

User avatar
m0c
Utrecht, Netherlands

Posted Thu May 18, 2023 1:45 am

A1-X1000 wrote:
Wed May 17, 2023 6:34 pm
hmm out of curiosity where does that wire need to soldered on the Rejuvenator ???
A20, but I don't think it is necessary. I don't know. See the instructions on github.
also where can I find the 4 ram chips for the SOJ-to-DIP adapters ?
Ebay, AliExpress, UTsource... They hardly cost anything. I desoldered mine from old SIMM modules which I had found for cheap on Ebay.

User avatar
A1-X1000
Toronto, Canada

Posted Sat May 20, 2023 7:28 am

m0c wrote:
Thu May 18, 2023 1:45 am
also where can I find the 4 ram chips for the SOJ-to-DIP adapters ?
Ebay, AliExpress, UTsource... They hardly cost anything. I desoldered mine from old SIMM modules which I had found for cheap on Ebay.
Thanks :boing: <3

ordered SOJ-to-DIP adpaters from Sordan just now but what speed of the 4- 256 dram chips should I be looking for??

& how I got down this rabbit hole ;) ..where can I find one of the adapters so I can use my 3875

User avatar
PRS

Posted Sat May 20, 2023 11:23 am

If needed, I can provide you with a FAT Agnus adapter (fully assambled). I have the prints and the parts to assemble them.
Last edited by PRS on Sat May 20, 2023 1:17 pm, edited 1 time in total.

User avatar
m0c
Utrecht, Netherlands

Posted Sat May 20, 2023 12:45 pm

A1-X1000 wrote:
Wed May 17, 2023 6:34 pm
hmm out of curiosity where does that wire need to soldered on the Rejuvenator ???
https://www.amibay.com/threads/rejuvena ... st-2465459

User avatar
A1-X1000
Toronto, Canada

Posted Sat May 20, 2023 3:04 pm

m0c wrote:
Sat May 20, 2023 12:45 pm
A1-X1000 wrote:
Wed May 17, 2023 6:34 pm
hmm out of curiosity where does that wire need to soldered on the Rejuvenator ???
https://www.amibay.com/threads/rejuvena ... st-2465459
awesome so the built in 2MB with the adapter does work fine after all BUT seriously 4MB chip??? or does it only use 2MB although it sees 4?

User avatar
A1-X1000
Toronto, Canada

Posted Sat May 20, 2023 3:06 pm

PRS wrote:
Sat May 20, 2023 11:23 am
If needed, I can provide you with a FAT Agnus adapter (fully assambled). I have the prints and the parts to assemble them.
thanks as I need one. PM sent

User avatar
A1-X1000
Toronto, Canada

Posted Mon Jun 05, 2023 2:43 pm

well I got a nice surprise this past Sunday while scrounging for something in my parents basement I was happy to find my old Spirit Inboard 1000 ram board nicely wrapped in a box that if my memory serves me well was given to me by my best friend that got it back in the day as a birthday gift but 'happily' for me he had already sold his Amiga so had no use for it...back to 2023 and it's got tons of socketed dram chips..think it had 2MB fast on board? question is after a web search looks like the dram chips are rated at 150ns so ya think it's ok for the new Rejuvenator board ???

User avatar
m0c
Utrecht, Netherlands

Posted Wed Jun 07, 2023 3:22 pm

Insider A1000 on BBoAH

The Spirit board takes up to 48x 41256, making a total of 1.5MB fastram. The Rejuvenator requires either 8x 414256 (1MB chipram) or 4x 514400 (2MB chipram).





Return to “Hardware”