Identifying what TYPE of PCMCIA Rom Card this...

Im talking about an Akai XE8 Drum expander, with a slot on the back and one on the front. youm would plug in the PCMCIA Rom Card, and select a
percusion instrument sound etc. I only have the one card . I am seeking the Exact Kind or style of this Card, so I can Buy one or two programmable ones, and use them/it to expand the onboard sounds. or at least perhaps
adapt a connector to use with these ports . I know there is a lot of stuff out there! PCMCIA CARDS (programmable) for starters ! I just need to know that the Programmable Card /s I buy , will be able to interface correctly.

if I can accomplish this, I will tell the whole world about it. there are a lot of these XE8 drum expanders around. people who got them for a decent "USED"price, could finally afford to buy the Cards for them, which Akai
could not wait for to happen, so they dropped their Expensive cards,
while people were finding other more gratifying toys, letting the dust settle on their XE8's. ( or so I expect) . I had to wait till 2004 so I could afford to buy it , though I wanted one many years earlier.