Technical data

30 PowerPC Open Firmware Quick Start Guide
The screen displays the current version information similar to the
following.
...
Open Firmware Revision ID.......................1.0
Open Firmware Revision...Date.Tues Jan 30 14:46:31 MST 1996
CPU Type................................PowerPC,604
MicroProcessor Internal Clock Speed (MHZ).......100
Local Memory Size...........................4000000 (64MB)
...
3. Press <ESC> or click the right mouse button to return to the
previous menu.
Display the Extended Hardware Version Information
With this option you receive the same information that Display the
Hardware Version Information provides, but also additional
information on PCI class and subclass, and register content. Using
the keyboard or mouse:
1. Select the Display Hardware Devices option.
2. Select the Display Extended Hardware Version
Information.
A display similar to the following appears:
...
Open Firmware Revision ID.......................1.0
Open Firmware Revision...Date.Tues Jan 30 14:46:31 MST 1996
CPU Type................................PowerPC,604
MicroProcessor Internal Clock Speed (MHZ).......100
Local Memory Size...........................4000000 (64MB)
...