Help! powerbook3400c update problem

Apr 19, 2007
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i bought a second hand powerbook3400c, the os version is 8.0, now i have several problem to update my operating system.
first, is it possible to update to 9.0? or 8.6? then ,there's no cd driver for this old i considered to buy a pcmcia-to-USB card,then i can use the usb cd driver. but the next problem is , how can i install the drive for the pcmcia-to-USB card?
second, there's no information i can get from internet about this machine, i don't know which interface could be used for may be some external equipment, please help me~~ thx a lot

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