IBM 150 Manual De Usuario

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Hardware Overview 
25
approaches to the abstraction of hardware will reduce the burden on 
hardware developers who produce differentiated machines.
  • Architects a mechanism for error handling, error reporting, and fault 
isolation. The architecture provides for the implementation of more robust 
systems if desired by the system developers.
  • Architects a mechanism for dynamic reconfiguration of the hardware.
2.1.4  RPA Minimum System Requirements
Table 3 contains the RPA compliance, minimum system requirements for the 
workstations addressed in this publication.
Table 3.  RPA Minimum System Requirements
SUBSYSTEM
SPECIFICATION
REQUIRED
SUPPORT
Processor
PowerPC microprocessor
R
Yes
Minimum system memory
8 MB expandable to at least 32
MB
R
Yes (128 MB min)
Firmware storage
Sized as needed
R
Yes (1 MB Flash)
Non-volatile memory
8 KB
R
Yes (64 KB)
External cache
Recommended for performance
O
Yes (1 MB)
Hard disk
1
SCSI
R
Yes
Floppy
1
3.5" 1.44 MB MFM
Media sense
Manual eject
O
R
R
R
Yes
Yes
Not supported
Yes
CD ROM
4X speed
ISO9660
Multi-session
O
R
R
R
Yes
Yes 32X Speed
Yes
Yes
Alphanumeric input device
1
PS/2 keyboard interface
Terminal
R
R
O
Yes
Yes
Yes
Pointing device
1
2 buttons
PS/2 Interface
R
R
R
Yes
Yes (3 button)
Yes
Required definition
R - Required
O - Optional