[REPORT]: RP2040-Zero works only in PS1 mode

[Okeanos86]

Checks

• I have checked if a report of the same problem, in the same environment, is already listed here

firmware

pmc+

PS1 or PS2?

PS2

[PS2 ONLY]: special consoles

None

Console model

SCPH-90004, SCPH-50004

Firmware version

1.3.0, nightly

related game

No response

Explain your issue

I've build a PicoMemcard+ with a RP2040-Zero.

I wired it as the scheme from dangiu's GitHub:
https://github.com/dangiu/PicoMemcard/blob/pmc%2B/release/docs/wiring-RP2040-Zero.svg

Initially I flashed pmc+.uf2 variant, but there wasn't any write on the microSD, neither a led blink.

Re-flashed with pmczero.uf2, the SD card and led works, but sd2psx it is available only in PS1 mode.

I don't remember exaclty but initially I'd deployed civ.bin in the root of microSD and it was moved in the .sd2psx folder by the firmware.

I've used also flash_nuke.uf2 before flash the firmware, but no differencies.

I attach debug logs from both variants.

A note:
I saw only one time this message in debug when starting pcm+ variant:
...
Settings - init:
version magic mismatch, reset settings
(1) failed to mount the card
...

Debug Logs

# pmczero-debug.uf2

Started! Clock 240000000; bus priority 0x10
SD2PSX Version nightly
SD2PSX HW Variant: PMCZero
Settings - init
Starting PS1 mode...
starting in PS1 mode
Starting memory card... Card changed
DONE! (174852 us)
Serializing Settings
Parent ID:
Secondary core!

--------------------------------------------

# pmc+-debug.uf2

Started! Clock 240000000; bus priority 0x10
SD2PSX Version nightly
SD2PSX HW Variant: PMC+
Settings - init
(1) failed to mount the card
SdError: 0x1B,0x00
check the card
MID: 0x00    OEM-ID:
PID:     R: 0.0
SN: 0x00000000  Date: 00/2000

[Okeanos86]

I forced PS2 mode, in settings.ini, I did previoulsy attempts, but the setting was forced to PS1 mode everytime.

After resoldering pins and using less thick cables the PS2 mode setting was kept, I see now the created VMC in
MemoryCards\PS2\Card1\Card1-1.mcd.

Debug log:

Started! Clock 240000000; bus priority 0x10
SD2PSX Version nightly
SD2PSX HW Variant: PMCZero
Settings - init
Starting PS2 mode...
keystore - Found valid CIV : 2C 5B ... - activating magicgate
keystore - MagicGate is confirmed

[Okeanos86]

Another issue:

In the PS2 browser, when sd2psx is plugged into MC slot 1 there’s a short blink and the card appears correctly.

But if I use MC slot 2, the LED stays solid until I unplug it and the memory card doesn’t appear; sometimes it blinks briefly, but the card still doesn’t show.

If I plug a PSxMemCard Gen1 with the PCM+ firmware variant into slot 2, it works correctly.

Edit: this happens only with the SCPH-90004 — if I plug into MC2 on an SCPH-50004 it works.

[Okeanos86]

I tried some changes:

I moved the 3.3 V power for the SD card module from the RP2040 to pin 5 of the memory card.
I soldered a bridging resistor between the 3.3 V line and the ACK line on GPIO 13.

There were no differences.

I tried installing an older v1.2.0 firmware, and the deploy civ.bin issue reappeared.
Now the sd2psx module is still detected as a PS1 memory card, so the soldering and cables probably weren't the original cause.

The only difference is that it is also read in slot 2 of the 90004, and the LED stays solid in that slot.

...

Editing settings.ini to force PS2 mode enabled civ.bin checking, as in earlier tests with the v1.3.0 firmware:
keystore - Found valid CIV : 2C 5B ... - activating magicgate
keystore - MagicGate is confirmed