MacWEEK reported that NewerTECH released a 183 Mhz 603e CPU card for the 500-series PowerBook. Having used a PB 540c for

1997–98October 25, 1997Macs Only!Peripherals
MacWEEK reported that NewerTECH released a 183 Mhz 603e CPU card for the 500-series PowerBook. Having used a PB 540c for four years, I am not impressed. The slow hard drive and system bus will choke this CPU's performance appreciably. If anyone gets one of these, please email me info on the resulting performance.

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