Document prefix : dn = Developer Note    ss = Service Source 
                       : ug = User Guide        sg = Service Guide
       <---------------------------------------------------------------->
   DIR ..
   DIR Macintosh II
   DIR Macintosh LC
   DIR PowerMacintosh
   DIR performa
   DIR Macintosh Quadra
       ApplePowerMACUpgradeCards.pdf
       Processor_Card_Matrix.pdf
       The_Macintosh_II_Reference_Guide_1989.pdf
       ss_Power_Macintosh_Upgra#C5891.pdf
       ss_macintosh_601_card.pdf
       ss_pc_compat-cards.pdf
       ug_desktop_Macintosh_computers_1993.pdf