Technical data

3-13
Quality
Statistical Reliability
The H-MTBF numbers in the following tables are rounded to the nearest 100 hours.
Table 3-27 Model 748 Ruggedized Workstation With Model 743 CPU AFR Projections (%/Year)
Hardware Configurations
Projected
AFR (%/Yr.)
743 VME Board Computer, 32 MB RAM (two 16 MB cards), no
on-board graphics
11.5
Option 64 MB RAM card (one card using 16 Mbit DRAM)
8-Plane Color Graphics (GSC mezzanine card)
1.5
1.7
Table 3-28 Model 748 Ruggedized Workstation With Model 744 CPU AFR Projections (%/Year)
Hardware Configurations
Projected
AFR (%/Yr.)
744 VME Board Computer, 32 MB RAM, EISA Tray, 2.0-GB
FWD SCSI Disk, 17-inch Monitor
11.8
Option 64 MB RAM card (one card using 16 Mbit DRAM)
HCRX 8-Plane Graphics
1.23
1.38
Table 3-29 Model 743 VME Board Computer AFR Projections (%/Year)
Hardware Configurations
Projected
AFR (%/Yr.)
743 VME Board Computer, no graphics 3.1
743 VME Board Computer, and on-board 8-plane color graphics 3.8
Memory 8 MB RAM card (one card using 4 Mbit DRAM)
16 MB RAM card (one card using 4 Mbit DRAM)
32 MB RAM card (one card using 16Mbit DRAM)
64 MB RAM card (one card using 16Mbit DRAM)
0.6
1.2
0.7
1.5
Option 8-Plane Color Graphics (GSC mezzanine card)
HCRX-8
HCRX-24
ATM
PMC Bridge
PMC Bridge and Expander
1.7
1.38
1.54
2.0
2.0
3.0