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Appendix C -
The following tables may be used to help calculate and compare the Total Cost of Ownership
when moving from one processor type to another. The first table shows the estimated monthly
maintenance and the second shows the environmental characteristics. These values may be
combined with costs of the software portfolio to obtain an overall monthly or yearly cost of
ownership:
Hardware maintenance + Floor space cost + Air Conditioning cost + Power cost + Software
eligible for MWLC (full-capacity or sub-capacity) + Software eligible for TWLC + Other
Software
C.1
Maintenance Costs
Note: Maintenance prices are those quoted at the time a system was first delivered.
Source: Technology News
Model
Estimated Monthly
Maintenance ($US)
z9 BC
A01
B01
C01
A02
D01
E01
A03
B02
F01
C02
B03
G01
D02
H01
C03
IBM-2007-04569-E-01
Raw Data
MSU
$1,103
$1,156
$1,265
$1,319
$1,336
$1,386
$1,442
$1,442
$1,632
$1,684
$1,970
$1,986
$2,070
$2,265
$2,297
©2007 Sine Nomine Associates
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