User's Manual

Installation Board Installation
54 SPARC/CPU−56T
S Slave windows
S Interrupts
S DMA controller
S VME arbiter
S Mailboxes
Additionally, the FRCvme package provides a common programming interface for
application and driver development.
For more detailed information and board−specific notes, refer to the
aSolaris Driver Package
Installation and Reference Guide
a and theaSolaris VMEbus Driver Programmer’s Guide.a
FRCflash
The Solaris 2.x flash memory driver provides access to the flash memory device.
Depending on the CPU board′s switch settings, the flash memory is accessible as one user
flash or is divided into a boot and a user section.
a
The following table shows the effects the different CPU board switch settings have on the
flash segmentation and the flash write protection.
a
Table 10: Flash Segmentation and Write Protection
SW1−1 Setting
SW1−2 Setting Flash Segmentation/Write−Protection Boot from
OFF OFF 16 MByte user flash, write−protected PLCC PROM
ON OFF 16 MByte user flash, not
write−protected
PLCC PROM
OFF ON 1 MByte boot flash + 15 MByte user
flash, write−protected
Flash memory device
ON ON 1 MByte boot flash + 15 MByte user
flash, not write−protected
Flash memory device
FRCctrl
The FRCctrl driver contains the sysconfig device driver which offers the following
features:
S Sets all user LEDs
S Accesses the temperature sensor devices
To enable the temperature sensors, set the OpenBoot environment variable
env−monitor before booting. To do so, enter at the prompt:
setenv env−monitor enabled