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   DIR ..
   IMG PB540_PSU_recap.jpeg
       dn_powerbook_500_series.pdf
       dn_powerbook_5xx.pdf
       gs_500series.pdf
       spec_500series.pdf
       spec_520.pdf
       spec_520c.pdf
       spec_540.pdf
       spec_540c.pdf
       spec_550c.pdf
       ss_500.pdf
       ss_550c.pdf
       ug_500_series.pdf
       ug_520_520c_540_540c_Getting_Started_1994.pdf