_ar wrote on 2024-02-05, 20:30:

Any particular area of interest or specific angle? […]
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Any particular area of interest or specific angle?

I have did some testing, these are the ICs that have shorts between their legs:

U2: 11-13, 10-11, 4-11, 4-10, 1-19

U6: 4-10, 2-11, 3-12

U8: 3-4, 3-7, 4-7

Are these normal?

Yes, all of those are normal. Judging from the behavior you've described, take a close look at U9, which is the chip responsible for handling the IOCHRDY signal.

polpo wrote on 2024-02-05, 20:45:

_ar wrote on 2024-02-05, 20:30:

Any particular area of interest or specific angle? […]
Show full quote

Any particular area of interest or specific angle?

I have did some testing, these are the ICs that have shorts between their legs:

U2: 11-13, 10-11, 4-11, 4-10, 1-19

U6: 4-10, 2-11, 3-12

U8: 3-4, 3-7, 4-7

Are these normal?

Yes, all of those are normal. Judging from the behavior you've described, take a close look at U9, which is the chip responsible for handling the IOCHRDY signal.

Hi, Thank you for your answer and the amazing project 😀. I'll desolder U9 and check underneath as there're no bridges between the legs. Maybe I'll get a replacement for it and report back. Is there anything else I need to check in case U9 is ok?

I remember that the first time I built my v1.1 I soldered in the wrong IC at U7 and had a similar issue. While checking your soldering make sure that the ICs are the right ones for the right pads 😀

Hey polpo, I am finishing up on building a v1.2 board and I have a quick question about R7 and R8. These are listed on the BOM list for the DAC module, but it seems like they are actually used for the integrated DAC? I just want to verify before adding them and installing the DAC module overtop of them. I am not sure how they will affect the data lines when not using the integrated DAC.
Thanks!

Delphius wrote on 2024-02-10, 20:42:

Hey polpo, I am finishing up on building a v1.2 board and I have a quick question about R7 and R8. These are listed on the BOM list for the DAC module, but it seems like they are actually used for the integrated DAC? I just want to verify before adding them and installing the DAC module overtop of them. I am not sure how they will affect the data lines when not using the integrated DAC.
Thanks!

If you're using the DAC module, there shouldn't be anything under it. I'll go and check the BOM and fix any mistakes about that.

I've just restocked the Tindie store. This is my biggest batch yet but the waitlist is massive, thanks to PhilsComputerLab's video about it. 😅 https://www.tindie.com/products/polpo/picogus … -isa-retro-pcs/

polpo wrote on 2024-02-10, 21:00:

I've just restocked the Tindie store. This is my biggest batch yet but the waitlist is massive, thanks to PhilsComputerLab's video about it. 😅 https://www.tindie.com/products/polpo/picogus … -isa-retro-pcs/

Yeah, I think we DDoS'ed Tindie. I've been trying for 15 minutes to order one and it keeps timing out )-:

Just got my order in! I've been waiting for this for a few months. Can't wait to get mine.

Thanks polpo.

polpo wrote on 2024-02-10, 20:58:

Delphius wrote on 2024-02-10, 20:42:

Hey polpo, I am finishing up on building a v1.2 board and I have a quick question about R7 and R8. These are listed on the BOM list for the DAC module, but it seems like they are actually used for the integrated DAC? I just want to verify before adding them and installing the DAC module overtop of them. I am not sure how they will affect the data lines when not using the integrated DAC.
Thanks!

If you're using the DAC module, there shouldn't be anything under it. I'll go and check the BOM and fix any mistakes about that.

Thanks for the info, I finished everything up and it all works as it should. Let me know if there is anything v1.2 specific you would like me to check or verify.

I also have mouser projects available that I put together from the BOM that I can share as well if anyone is interested.

Looks like they are all sold out again. Very lucky to get my order in.

Hard fight, but I also got one

I think I got my order in in the nick of time... Looking forward to play with this cool piece of kit. Thanks @polpo!

I'm glad to see how well these are selling for Polpo. Congrats to everyone who got one. Hopefully the next batch comes soon.

I ordered mine yesterday... So freakin excited!

I would like a v2 as well, unfortunately it's only available from the US, which makes it too expensive for me.

polpo wrote on 2024-02-10, 21:00:

I've just restocked the Tindie store. This is my biggest batch yet but the waitlist is massive, thanks to PhilsComputerLab's video about it. 😅 https://www.tindie.com/products/polpo/picogus … -isa-retro-pcs/

Got my order in on Saturday, looking forward to receiving this!

I'm awaiting my picoGUS and want to know can I run it alongside with my ESS 1868 soundcard? My idea is ESS for gameport and SB compatibility, picoGUS for GUS stuff (CMS, AdLib maybe). Theoretically I will, but want to know experience from practice.

serenitatis wrote on 2024-02-14, 07:57:

I'm awaiting my picoGUS and want to know can I run it alongside with my ESS 1868 soundcard? My idea is ESS for gameport and SB compatibility, picoGUS for GUS stuff (CMS, AdLib maybe). Theoretically I will, but want to know experience from practice.

yeah i run mine in parallel to another sound card. You just need to make sure the IRQ and DMA are different. You can route the picogus audio into the line in of the ESS card.
So your SET BLASTER and SET ULTRASND env vars are what you should change.

Pickle wrote on 2024-02-14, 14:08:

serenitatis wrote on 2024-02-14, 07:57:

I'm awaiting my picoGUS and want to know can I run it alongside with my ESS 1868 soundcard? My idea is ESS for gameport and SB compatibility, picoGUS for GUS stuff (CMS, AdLib maybe). Theoretically I will, but want to know experience from practice.

yeah i run mine in parallel to another sound card. You just need to make sure the IRQ and DMA are different. You can route the picogus audio into the line in of the ESS card.
So your SET BLASTER and SET ULTRASND env vars are what you should change.

Just got mine today and it's running along side of my Sound Blaster 32. Quite the killer combo! I cannot believe how much better the PicoGUS sounds compared to my Sound Blaster 32 in 2nd Reality Demo, Jazz Jackrabbit and Pinball Fantasies; night and day! Even going through Line-In of my SB!!

My PicoGUS arrived in today's mail. I had to snap a photo of it next to my original GUS.