xerox Alto Hardware Engineering Changes Dec77 free download

File name Alto_Hardware_Engineering_Changes_Dec77.pdf

interna~ NJer(io To Distribution Date December 14, 1977 From Frank Ludolph Location Palo Alto Subject Alto Hardware Engineering Changes OrgHnization XEOS )(ERO)( Filed on: [XEOS] EO>Current.bravo. Frank Ludolph Coordinator, Whole Alto World Distribution: C. Anthony, J. Arnaud, J. Cucinitti, B. DeGrasse, W. Duvall, D. Green, R.Hunt, H. Pangle, D. Sonderegger, W. Winfield, H. Yeary, R. Yost cc: Liz Bond, Terry Haney, Don Stewart, Doug Stewart CURRENT ALTO HARDWARE REVISION LEVELS LEVEL DRAWING DESCRIPTION ALTO B 216305 BWB Assy C 216273 Mem Stg. Module B 216421 Terminator Module F 216381 Arithmetic Logic Unit 0 216373 Control Board (lK) B 216484 Control Board (2K) F 216365 CRAM E 216389 Disk Control B 216577 Extender Board G 216347 Memory Address Interface E 216312 Menl0ry Data Interface D 216339 Display Cont. Module D 216323 Ethernet Module ALTO II XM B 216645 Mem Address lnt. Module C 216652 B\VB Assy A 217115 Mem Data Interface Module A 216642 2K Control Module A 216695 1K Control Module B 216644 128K Mem Stg Module B 216646 Memory Expansion and Terminator DISPLAY E