The short answer: No!
The long answer (from the Zoomer FAQ):
PCMCIA Cards
All PCMCIA cards for the Zoomer are 5 volt and 8 bit in ATA fat format. The
Zoomer does not support ffs (Microsoft Flash File Service). The following
cards work with the Zoomer:
Flash Cards:
All Sundisk SDP-5 and SDP-5A 5 volt flash cards. Sundisk (800) 535-2943
Note: Sundisk also makes 12 V flash cards that do not work in the Zoomer.
The following cards do NOT work with the Zoomer:
Apple Newton Flash cards (1 and 2MB)
Intel Flash Cards
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Microsoft Windows: The same shit as DOS, only GUIer!
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Robert Bottomley
Internet: Robert.A.Bottomley.Jr@cdc.com or RBottomley@aol.com