Roland D550 Memory Card with Original Patches 00-05 + 11 x 256MRAM For Sale

Hello Synth Lovers!
With great acceptance of the card we have a NEW DESIGN - Exclusive Roland D550 !!! As our appreciation of business every card purchased will include an exclusive case to protect for whatever occasion you want to take it. Or simply from dust over time to keep card sitting when you remove from your Roland!
This card original circuit was fully developed by DoJoe - J. Fenkes and with the great community of keyboard lovers. HALG modified the mechanical, the circuit, and incorporated couple important changes:
✔The 3 main slide switches that are on the back of the card are stronger now;✔The componentsplacement are fully located inside of plastic cover to protect against ESD (electrostatic discharge)✔A card enclosure was designed to protect the card when you need to carry around✔A plastic case now fits perfectly to cover components and switches;

Iftheleft two pads areconnected, the card is an 8x512 card, if the right two pads are connected thecard isa 16x256 card. Theremight be solder on all three pads so no pad is obviously golden – just lookwhether the bigsolder blob sits to the left or to the right.

This card comes configured16 x 256K MRAM

With the plastic case is perfect for Roland D550, but you can easily remove the plastic if you desire to fit in other keyboards.

8x512: ABCD works as usual, 1+2 and 3+4 select the samebank.

4x1024: ABCD selects between four banks, 1234 is unused.

2x2048: A+B and C+D select the same bank, 1234 is unused.

1x4096: One bank of 4 MBits only, the switches have noeffect.