DIY:psio+cdrom+psone (Unofficial methods)

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tzmwx
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DIY:psio+cdrom+psone (Unofficial methods)

Post by tzmwx » January 28th, 2019, 4:03 am

Warning: You will lose the warranty if you need to disassemble it.
Warning: You will lose the warranty if you need to disassemble it.
Warning: You will lose the warranty if you need to disassemble it.



Video:
https://youtu.be/lZuWaWRO4Zg
https://youtu.be/ZZkGLgukjoc


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PSIO pins:

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Model A and B:
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PSIO + PSONE + CDROM
cut 2 wires,weld 45 wires,Resistor x 2 (100Ω)


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Model A:
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Model B:
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PSIO + PSONE
(no cdrom,no switchboard)
cut 2 wires,weld 38 wires,Resistor x 3 (10KΩx1,100Ωx2)

Model A:
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Model B:
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Last edited by tzmwx on January 28th, 2019, 5:13 am, edited 9 times in total.

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aha2940
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Re: DIY:psio+cdrom+psone (Unofficial methods)

Post by aha2940 » January 28th, 2019, 4:28 am

Thanks for your work on these detailed instructions, I'm glad there's a way to install PSIO on the smaller PS1 consoles, even if it's not very user-friendly :)

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Re: DIY:psio+cdrom+psone (Unofficial methods)

Post by krisk77 » January 28th, 2019, 11:38 pm

The guide is more un user friendly more than anything else due to poor translation and a dirty hack job by the looks off it.

Rather keep my warranty and wait for an official method.
NTSC JP 5000 PU-8/PSIO Switchboard
NTSC JP 7000 PU-20/Mayumi 4 chip + PSIO Switchboard

PAL 7502 PU-22/Mayumi 4 Chip + PSIO Switchboard

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Re: DIY:psio+cdrom+psone (Unofficial methods)

Post by zePeido » January 31st, 2019, 2:21 am

Thank you for the instructions.

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Re: DIY:psio+cdrom+psone (Unofficial methods)

Post by onaryc » May 18th, 2019, 8:31 pm

I think a better way to do this is to add a parallel port to the PSone, has someone has a link to such a mod?

I think one can be based on this tutorial but we need a female ps1 parallel port. Is there a way to still buy one?

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Re: DIY:psio+cdrom+psone (Unofficial methods)

Post by Whippy » May 19th, 2019, 1:24 am

krisk77 wrote:
January 28th, 2019, 11:38 pm
The guide is more un user friendly more than anything else due to poor translation and a dirty hack job by the looks off it.

Rather keep my warranty and wait for an official method.
If you are worried about voiding the warranty on a $120 game accessory, you shouldn't be installing it on non-approved units. I do plan on installing to a PSone at some point in the future, and don't care about the warranty on the PSIO. I am good enough to know that what I do will work.

onaryc wrote:
May 18th, 2019, 8:31 pm
I think a better way to do this is to add a parallel port to the PSone, has someone has a link to such a mod?

I think one can be based on this tutorial but we need a female ps1 parallel port. Is there a way to still buy one?
I don't know if they can be bought now or ever, but you could easily lift one from a non-working pre 900X series big unit. I think that adding a parallel port would require connecting many of the same points on the board to the plug.

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