K-Disk : that pcmcia solution you gave ...
Vikant offers one of the world’s first PCMCIA (PC)
Static RAM memory cards with a fully rechargeable
back-up battery, manufactured by the leader in PC
card production, Centennial Technologies.
SRAM is a reprogrammable, non-volatile memory
device, that makes SRAM memory cards an ideal solution
for backing up and transferring files between notebook,
palmtop, PDA and desktop computers.
This rechargeable Card contains a charging circuit which ensures that the Card is maintained at it’s peak condition during use and that it retains it’s charge while dormant.
Compatibility.
You are making a right choice buying our SRAM PCMCIA Recharge Card for use in such devices as HP Palmtops, HP Omnibook, Casio Zoomer, GridPADS, Apple Newton, Toshiba Dinapad, AT&T EO 440/880, NEC Autograph, Fujitsu Poquet series, Sharp, Tandy, Dauphin, Epson, Norand 6000 series and other brand Palmtops, PDAs, Pen-based or notebook computers.
$ 69.99 or 57 Euro for a 512 K (not Mb) card
$143.99 or 119 Euro for a 4MB SRAM CARD at the other link that elal1862 gave ...
Not very cheap indeed :-o