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Network Working Group                                   Alex A. McKenzieRFC # 447                                               BBN-NETNIC # 14104                                             January 29, 1973Updates:434             IMP/TIP Memory Retrofit Schedule (Revision 1)This revision contains two major changes to RFC #434.  First, allretrofits scheduled prior to February first have been completed and aretherefore removed from the schedule.  Second, the CCA retrofit has beenrescheduled from 3/20 to 2/28.The revised text of RFC # 434 follows:During the first several month of 1973 we will be retrofitting each IMPand TIP with additional core memory.  At the end of the retrofitprogram, the memory sizes of the various machines will be as follows:   IMP (516 or 316) - 16K words   TIP - 28K words   TIP with Magnetic Tape Option - 32K wordsIn addition, the expansion of the TIP core memory will necessitateenlarging the TIP to two cabinets.Listed below is the schedule for the remaining retrofits.  We havearranged this schedule to coincide with usual monthly PreventiveMaintenance at each site so as to minimize user inconvenience, but thework required will frequently require the machines to be down longerthan normal.  I will issue additional RFC's updating this schedule asnecessary.Any site which anticipates difficulty with the expansion of TIP size,and thus the floor space requirement, should contact Hawley Rising (BBN)at   (617) 491-1850 ext. 473All dates given below are in the form (month/day)   Utah (2/1)   UCSB (2/6)   Belvoir (2/8)   NOAA (2/12)   USC (2/13)   Stanford (2/14)McKenzie                                                        [Page 1]

RFC 447         IMP/TIP Memory Retrofit Schedule (Rev 1)    January 1973   ETAC (2/15)   Aberdeen (2/22)   ISI (2/22)   Case (2/26)   CCA (2/28)   SRI (3/7)   Rome (3/14)   FNWC (3/15)   UCLA (3/19)   AMES IMP  (3/21)   GWC (3/22)   Carnegie (4/4)   SDC (4/17)   Illinois (4/18)       [ This RFC was put into machine readable form for entry ]       [ into the online RFC archives by Alex McKenzie with    ]       [ support from GTE, formerly BBN Corp.             9/99 ]McKenzie                                                        [Page 2]