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Network Working Group Alexander A. McKenzie RFC 434 BBN-NET NIC 13658 January 4, 1973

 During the first several months of 1973 we will be retrofitting each
 IMP and TIP with additional core memory.  At the end of the retrofit
 program, 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 words
 In addition, the expansion of the TIP core memory will necessitate
 enlarging the TIP to two cabinets.
 Listed below is the preliminary schedule for these retrofits.  We
 have arranged this schedule to coincide with the usual monthly
 Preventive Maintenance at each site so as to minimize user
 inconvenience, but the work required will frequently require the
 machines to be down longer than normal.  I will issue additional
 RFC's updating this schedule as necessary.
 Any site which anticipate difficulty with the expansion of TIP size,
 and thus the floor space requirement, should contact Hawley Rising
 (BBN) at
    (617)491-1850 ext. 473
 All dates given below are in the form (month/day)
 Xerox (1/3)
 SAAC (1/4)
 MIT (1/8)
 MITRE (1/9)
 Harvard (1/15)
 RAND (1/16)
 ARPA (1/16)
 NBS (1/17)
 AMES TIP (1/24)
 Lincoln (1/24)
 Utah (2/1)
 UCSB (2/6)
 Belvoir (2/8)
 NOAA (2/12)
 USC (2/13)

McKenzie [Page 1] RFC 434 IMP/TIP Memory Retrofit Schedule January 1973

 Stanford (2/14)
 ETAC (2/15)
 Aberdeen (2/22)
 ISI (2/22)
 Case (2/26)
 SRI (3/7)
 Rome (3/14)
 FNWC (3/15)
 UCLA (3/19)
 CCA (3/20)
 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]

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