User's Manual

Installation Board Installation

50 SPARC/CPU−56T

4. Remove interface cables, if applicable

5. Unfasten screws

6. Remove board

Finish

Powering Up

We recommend to use a terminal when powering up the CPU board. The advantage of

using a terminal is that you do not need any frame buffer, monitor, or keyboard for initial

power up.

Note:a

S Before powering up, check the "Requirements" section for installation

prerequisites and requirements.

S If an unformatted floppy disk resides in a floppy drive connected to the CPU board

during power up, the CPU board does not boot and the OpenBoot prompt does not

appear.

S Check the consistency of the switch settings ("Switch Settings" table).

Power Up Procedure

Start

1. Connect a terminal to front panel serial I/O interface A marked as "SER A"

2. Switch on system

The monitor will display information about the OpenBoot booting process.a

3. Enter OpenBoot commands, if applicable

Finish

PLCC PROM and Flash Memory Device

By default, the CPU board boots from the 1 MByte PLCC PROM which is not writeable

and contains the OpenBoot firmware. Alternatively, a 16 MByte flash memory device can

be enabled with SW1−2 to store user applications and to boot from it.