SIOCONS compatible USB Cable

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rama3
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Re: SIOCONS compatible USB Cable

Post by rama3 » January 28th, 2019, 10:43 am

brill:
Is it possible to override the baud rate in these tools?
I always wonder how fast the port can go, but I lack the time to setup all the required stuff.

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brill
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Re: SIOCONS compatible USB Cable

Post by brill » January 28th, 2019, 1:26 pm

rama3, if you enter cheat code:
D00748AA-1040
800748AA-1000

yor can disable bps check for NETYAROZE loader
i'm trying force speed up to 230400bps (freeze) & 921600bps (freeze)
115200 - MAX BPS for Siocons software
1 x SCPH-1002, 1 x SCPH-7502, 1 x SCPH-102
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rama3
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Re: SIOCONS compatible USB Cable

Post by rama3 » January 28th, 2019, 10:54 pm

Okay, did you also check some lower speeds?
The sending and receiving side need to use the same baud rate, and trying out a lower speed can test if that works.

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Re: SIOCONS compatible USB Cable

Post by brill » February 5th, 2019, 5:14 am

rama3, yes, 1200bps work well with disabled bps check cheat code

Image Image Image
1 x SCPH-1002, 1 x SCPH-7502, 1 x SCPH-102
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Re: SIOCONS compatible USB Cable

Post by rama3 » February 6th, 2019, 4:00 am

Thanks for testing! :)
Well, that's thoroughly disappointing though. It starts to look like a real hardware (or maybe Kernel?) limitation.
Still have the big guns in reserve of course (hardware mods and BIOS patches) :p

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Re: SIOCONS compatible USB Cable

Post by brill » February 6th, 2019, 4:38 am

I patched PSXSERIAL (PS and PC parts) at 256,000 bps and it works at this speed well.
PATCHING.png
some measurments

HITPSX.EXE 1574912 bytes long

Loading time at 115200bps - ~02m:20s
Loading time at 256000bps - ~01m:05s

speedup more than 2 times
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Last edited by brill on March 18th, 2019, 7:02 pm, edited 1 time in total.
1 x SCPH-1002, 1 x SCPH-7502, 1 x SCPH-102
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Re: SIOCONS compatible USB Cable

Post by LameGuy64 » February 6th, 2019, 3:07 pm

Huh, when I did tests with my own loader at more than 115200 baud I got receiving issues on the PSX side and would frequently miss bytes. I'll have to take a look into it again I suppose.
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Re: SIOCONS compatible USB Cable

Post by brill » February 10th, 2019, 4:27 am

decicons look like siocons, seems similar communication tool
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1 x SCPH-1002, 1 x SCPH-7502, 1 x SCPH-102
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Re: SIOCONS compatible USB Cable

Post by danhans42 » February 11th, 2019, 6:07 pm

Can you open a new thread? This one's going a bit off topic as it's supposed to be about building the cable..

It could be worth looking at the feasibility of patching siocons to run at different speeds or posisbly even modifying the gave save on the memory card to see if different speeds could be achieved?

Thanks
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Re: SIOCONS compatible USB Cable

Post by Rubber131186 » February 27th, 2019, 9:51 am

Hello, I have been a silent member for a while now and this is my first post. I am going to build the SIOCONS USB Cable. I have ordered the USB to Serial Breakout Board, FT232RL - BOB-12731 £14.39 Hope it's right....? looks right.
Image
USB to Serial Breakout Board, FT232RL - BOB-12731

I have also bought a new sealed official SCPH-1040 Playstation Link Cable £24.99 + £5 shipping.
Image
ULTRA RARE OFFICIAL SCPH-1040 PLAYSTATION LINK CABLE PS1

The switch on the USB to Serial Breakout Board, FT232RL - BOB-12731 has to be set to VCC right? and not 3.3V will it damage the board or PlayStation if it's in the wrong position.

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Re: SIOCONS compatible USB Cable

Post by gwald » February 27th, 2019, 6:43 pm

Hi welcome...
yes the parts are correct.
from OP
danhans42 wrote:
August 16th, 2016, 6:33 am
This is a simple guide on how to make a SIOCONS compatible USB-SIO cable that works under dosbox......
Just to add.. I have used an FTDI which was configured for 5v use and it worked fine, but i would really recommend getting the proper 3.3v module just in case.

Have fun and happy Yarozing!! :triangle :circle :cross :square

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Re: SIOCONS compatible USB Cable

Post by danhans42 » February 28th, 2019, 1:56 am

Set the switch FT232 to 3.3v - thats all you need to do.

If you wanted just half a cable to solder on an FTDI I could have helped - seems a shame to cut a genuine boxed sony cable in half - especially since it was £25.

The Sparkfun board was a great find by gwald - makes the job much simpler!
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My collection - SCPH-102/SCPH-7502, Yaroze Modded PSone, PocketStation (Clear), 2x Xplorer Carts, 2x Xplorer Pro, 2x AR Carts (1 with Ezoray), GS Pro 3, ISA Comms Link Card. Various USB serial devices, Gameshark Sharklink, Kentai Eddy, iMode Cable & other bits and bobs.

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Re: SIOCONS compatible USB Cable

Post by danhans42 » February 28th, 2019, 2:05 am

Oh.. and see you are a fellow Brit.. if you get stuck drop me a PM (or email).. I may be able to help a bit quicker seen as we are on the time zone :)
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My collection - SCPH-102/SCPH-7502, Yaroze Modded PSone, PocketStation (Clear), 2x Xplorer Carts, 2x Xplorer Pro, 2x AR Carts (1 with Ezoray), GS Pro 3, ISA Comms Link Card. Various USB serial devices, Gameshark Sharklink, Kentai Eddy, iMode Cable & other bits and bobs.

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Re: SIOCONS compatible USB Cable

Post by Rubber131186 » March 1st, 2019, 10:32 am

Thanks for the quick response, glad i got the right one Gwald was such a good find by you. I have received the Playstation Link Cable and your right danhans42 not sure if i can sacrifice it :oops:

The USB to Serial Breakout Board, FT232RL - BOB-12731 has also come, just reprogrammed the eeprom now.

I have also bought a Playstation SCPH-7502 I am wondering if i should install the USB to Serial Breakout Board, FT232RL - BOB-12731 inside the Playstation and have a 4-way type-B right angle USB Socket on the back? :) Image

That way i don't need to sacrifice the Playstation Link Cable, plus if I install a mod chip I can then run the Net Yaroze boot disc and use a USB Printer Cable to link it to my laptop.

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Re: SIOCONS compatible USB Cable

Post by danhans42 » March 1st, 2019, 6:43 pm

Hi,

If you are running the board inside the PlayStation you just need to solder the connections inside. The easiest way to do this is by using the connections on the motherboard for the SIO connector underneath. Alternatively, you could also look at the schematics for your machine and find some test points.

Another way - if you have any broken motherboards - you could sacrifice the serial connector from one of those and then you can use the link cable without sacrificing it.

I fitted one inside a PS1 years ago, was a pretty clean fit with a USB B connector like you have shown but they are a bit bulky.. can you not use the microUSB on the Sparkfun board? you may be able to cut a notch out and use that connector.. saves on soldering.
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My collection - SCPH-102/SCPH-7502, Yaroze Modded PSone, PocketStation (Clear), 2x Xplorer Carts, 2x Xplorer Pro, 2x AR Carts (1 with Ezoray), GS Pro 3, ISA Comms Link Card. Various USB serial devices, Gameshark Sharklink, Kentai Eddy, iMode Cable & other bits and bobs.

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Rubber131186
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Re: SIOCONS compatible USB Cable

Post by Rubber131186 » March 18th, 2019, 6:23 am

wired up the cable and works like a charm thanks for your help @danhans42 & @gwald
Here is 2 Photos :-
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danhans42
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Re: SIOCONS compatible USB Cable

Post by danhans42 » March 18th, 2019, 10:34 pm

Glad to hear it, another one has joined the home made yaroze club!

Enjoy :-)
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My collection - SCPH-102/SCPH-7502, Yaroze Modded PSone, PocketStation (Clear), 2x Xplorer Carts, 2x Xplorer Pro, 2x AR Carts (1 with Ezoray), GS Pro 3, ISA Comms Link Card. Various USB serial devices, Gameshark Sharklink, Kentai Eddy, iMode Cable & other bits and bobs.

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