URI:
       Index of /pdf/ibm/dasd/3330
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   DIR /pdf/ibm/dasd
       GA26-1615-3_Reference_Manual_For_IBM_3330_Disk_Storage_Mar74.pdf
       GA26-1615-3_Reference_Manual_for_IBM_3330_Series_Disk_Storage_197408.pdf
       GX20-1920-1_3330_Reference_Summary_Card_197311.pdf
       GX20-1920-1_3330_Reference_Summary_Nov73.pdf
       GX20-1920-1_3330_Reference_Summary_Nov73_2up.pdf