Hacking Hardware Picofly - a HWFLY switch modchip

peteruk · Mar 25, 2023

linuxares said:
Oh I heard via my sources this is the only chip that the Toshiba memories works great on. Even HWFly got some issues with them.

very interesting, thanks for the info

Mena · Mar 25, 2023

linuxares said:
Oh I heard via my sources this is the only chip that the Toshiba memories works great on. Even HWFly got some issues with them.

Picofly has issues with Toshiba from 2020 and later.

SkylerTakashi · Mar 25, 2023

linuxares said:
Oh I heard via my sources this is the only chip that the Toshiba memories works great on. Even HWFly got some issues with them.

What Toshiba memories?

billybobxxx · Mar 25, 2023

Dee87 said:
very nice my friend whats the button size u used ?

Post automatically merged: Mar 25, 2023

Klick me thats for mariko board

I use button from an old ps3 power button..cannot have more flat push button!

linuxares · Mar 25, 2023

SkylerTakashi said:
What Toshiba memories?

https://switchbrew.org/w/index.php?title=Hardware&mobileaction=toggle_view_desktop#Specifications

Toshiba eMMC

Mr Skinner · Mar 25, 2023

Mena said:
Picofly has issues with Toshiba from 2020 and later.

Is there a specific cause? Because of picofly output voltage of 3.3v versus 1.8 of toshiba's EMMC? Wouldn't a diode work in this case?

Darkspade · Mar 25, 2023

Hey all.. installed on a V2, removed the HWfly to play with the rp2040.. I enabled RGB on back, I get Blue/ purple and OFW Boots instantly. I have a V2 flex cable install. All Points show Value.. I've tired another RP2040 without any desoldering and resistors facing forward but get the same issue.. thanks for any help..

Would adding a line to the 2nd pad on the Flex cable change anything as thats the other trace line on the flex cable?

sorry for orange photos not sure why it took them like that

Dee87 · Mar 25, 2023

RiotRetroGaming said:
Hi all, managed to get my Erista to go blue, then a turquoise light flashes only to go off and boot to OFW.

I think it's the mosfet, I cannot see how the hell to solder it to the cap?
It just does not want to know. I have a thin tip but you cannot stop crossing pads.

Is there anyway to bypass the mosfet temporararily & get the chip to boot to see if it's defo the mosfet links causing the issue?
I was up to 2am trying everything to solder that last part.

Thanks, Ant

no there is no way to bypass the mosfett

blue then toruise(cyan) that mean u have a issue with the mosfet or cable to mosfett

u can use a short thick wire or repair pads for broken traces

lets see a pic of ur soldering and ur tip ,are u using flux ?

linuxares · Mar 25, 2023

Darkspade said:
Hey all.. installed on a V2, removed the HWfly to play with the rp2040.. I enabled RGB on back, I get Blue/ purple and OFW Boots instantly. I have a V2 flex cable install. All Points show Value.. I've tired another RP2040 without any desoldering and resistors facing forward but get the same issue.. thanks for any help..

Would adding a line to the 2nd pad on the Flex cable change anything as thats the other trace line on the flex cable?

sorry for orange photos not sure why it took them like that

you have bridge the flexcable. It's only suppose to be on one line. (Image 2)

Darkspade · Mar 25, 2023

linuxares said:
you have bridge the flexcable. It's only suppose to be on one line. (Image 2)

oh i thought it was 3&4.. I seen that somewhere.. I'll test with single pad. thx

SkylerTakashi · Mar 25, 2023

linuxares said:
https://switchbrew.org/w/index.php?title=Hardware&mobileaction=toggle_view_desktop#Specifications

Toshiba eMMC

I'm sorry for the noob question but i have a V2 Mariko model, is it a Toshiba?

cowboy619 · Mar 25, 2023

Darkspade said:
Hey all.. installed on a V2, removed the HWfly to play with the rp2040.. I enabled RGB on back, I get Blue/ purple and OFW Boots instantly. I have a V2 flex cable install. All Points show Value.. I've tired another RP2040 without any desoldering and resistors facing forward but get the same issue.. thanks for any help..

Would adding a line to the 2nd pad on the Flex cable change anything as thats the other trace line on the flex cable?

sorry for orange photos not sure why it took them like that

Double checking those are 47ohm resistors and not 470 ohm resistors

Post automatically merged: Mar 25, 2023

SkylerTakashi said:
I'm sorry for the noob question but i have a V2 Mariko model, is it a Toshiba?

Check your emmc. It will show on it

SkylerTakashi · Mar 25, 2023

cowboy619 said:
Double checking those are 47ohm resistors and not 470 ohm resistors

Post automatically merged: Mar 25, 2023

Check your emmc. It will show on it

I'm waiting for the parts to be delivered before i disassemble it

linuxares · Mar 25, 2023

SkylerTakashi said:
I'm sorry for the noob question but i have a V2 Mariko model, is it a Toshiba?

Just check the eMMC name. It's impossible for me to know.

linuxares · Mar 25, 2023

Darkspade said:
oh i thought it was 3&4.. I seen that somewhere.. I'll test with single pad. thx

If I remember right, it's just the middle finger that needs to be solder on. Else you probably make it short out.

SkylerTakashi · Mar 25, 2023

linuxares said:
Just check the eMMC name. It's impossible for me to know.

Okay it's a Sk hynix.... Will i have issues with PicoFly or Hwfly?

Darkspade · Mar 25, 2023

cowboy619 said:
Double checking those are 47ohm resistors and not 470 ohm resistors

Post automatically merged: Mar 25, 2023

Check your emmc. It will show on it

Good eye, you just ruined my day lol.. all i have is 33 ohm resistors and the Switch Boots right away to Hekate.. I need to order the 47 ohm .. Thanks for catching that..

cowboy619 · Mar 25, 2023

Darkspade said:
Good eye, you just ruined my day lol.. all i have is 33 ohm resistors and the Switch Boots right away to Hekate.. I need to order the 47 ohm .. Thanks for catching that..

I couldn’t RESIST lol did you bridge the pins on the flex? Or left as is

Sent from my iPhone using Tapatalk

DangerMouse · Mar 25, 2023

szubiennica said:
there are no difference in flex for v2, lite, oled.
there only difference between v1 and v2.

is it possible to mod a V1 flex to work on a lite?

Darkspade · Mar 25, 2023

linuxares said:
If I remember right, it's just the middle finger that needs to be solder on. Else you probably make it short out.

this is the v2 flex cable it looks like a single trace line going into both pads, i soldered to one just the make sure..

Hacking Hardware Picofly - a HWFLY switch modchip

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