HP 743 Series Technical Reference Manual For Oems page 59

Quality
Statistical Reliability
Table 3-30 Model 744 VME Board Computer AFR Projections (%/Year)
Table 3-31 summarizes the MTBF for the Model 743.
.
Table 3-31 Model 743 VME Board Computer MTBF (hr-MRBF) Computations
3-14
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Hardware Configurations
744 VME Board Computer with on-board graphics option
Memory 32 MB RAM card (one card using 16Mbit DRAM)
64 MB RAM card (one card using 16Mbit DRAM)
128 MB RAM card (one card using 64Mbit DRAM)
Option 8-Plane Color Graphics (GSC mezzanine card)
HCRX-8
HCRX-24
ATM
PMC Bridge
PMC Bridge and Expander
Hardware
(Includes Model 743 VME Board
Computer)
16 MB RAM (one 16 MB
card using 4 Mbit DRAM)
32 MB RAM (one 32 MB
card using 16Mbit DRAM)
64 MB RAM (one 64 MB
card using 16 Mbit DRAM)
128 MB RAM (two 64 MB
cards using 16 Mbit
DRAM)
256 MB RAM (four 64 MB
cards using 16 Mbit
DRAM)
Projected
AFR (%/Yr.)
4.8
0.7
1.23
2.1
1.7
1.38
1.54
2.0
2.0
3.0
No On-Board On-Board
Graphics Graphics
MTBF (Hours) MTBF (Hours)
186,000 160,000
210,000 177,800
173,900 153,800
131,100 117,600
87,900 81,600