Index of /pdf/ibm/5280/specifications
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   DIR /pdf/ibm/5280
       680-1_5280_Distributed_Data_System_Jan80.pdf
       681-11_5280_Enhanced_Jan81.pdf
       GB30-1548-0_Format_Design_Aid_Jan81.pdf
       GC21-7797-1_SCP_5708-SC1_Specifications_Apr80.pdf
       GC21-7800-0_Sort-Merge_Program_Product_Specifications_Apr80.pdf
       M5281_Data_Station_Jan80.pdf
       M5282_Dual_Data_Station_Jan80.pdf
       M5285_Programmable_Data_Station_Jan80.pdf
       M5285_Programmable_Data_Station_Jan81.pdf
       M5288_Programmable_Control_Unit_Jan80.pdf
       M5288_Programmable_Control_Unit_Jan81.pdf
       P681-11_5280_Release_2_Programming_Jan81.pdf
       P681-12_5280-3270_Emulation_Jan81.pdf
       P681-6_5280_Format_Design_Aid_Jan81.pdf