momery card problem

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i will just add my config:
ps2 with dvd R X on a scph30000 with neokey 2.2 (i think)
both ps1 card and ps2 card connected
i know the dvd RX is using the card for some info but that's it
i will check the browsing thing now .......
and as you asked , i can't browse it ?!?!?!?!?!
let me get this strait i should plug a psx card instead of a ps2 card
and i can browse it ?