Network Working Group Alex A. McKenzie
RFC # 447 BBN-NET
NIC # 14104 January 29, 1973
Updates: 434
IMP/TIP Memory Retrofit Schedule (Revision 1)
This revision contains two major changes to RFC #434. First, all
retrofits scheduled prior to February first have been completed and are
therefore removed from the schedule. Second, the CCA retrofit has been
rescheduled 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 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 schedule for the remaining retrofits. We have
arranged this schedule to coincide with 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 anticipates 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)
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)
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McKenzie [Page 2]
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