SPARC: How to Identify Devices on the System

You might need to identify the devices on the system to figure out what are the appropriate devices to boot from.

Before you can safely use the probe commands to find out what devices are attached to the system, you need to do the following:

• Change the PROM auto-boot? parameter to false and

• Issue the reset-all command to clear system registers

If you run the probe commands without clearing the system registers, the following message is displayed:

ok probe-scsi
This command may hang the system if a Stop-A or halt command
has been executed.  Please type reset-all to reset the system 
before executing this command. 
Do you wish to continue? (y/n) n

1. Change the PROM auto-boot? parameter to false.

   ok setenv auto-boot? false

2. Clear the system's registers.

   ok reset-all

3. Identify the devices on the system.

   ok probe-device

Example—Identifying the Default Boot Device

The following example shows how to identify the devices connected to an Ultra10 system.

ok setenv auto-boot? false
auto-boot? =          false
ok reset-all
Resetting ... 

Sun Ultra 5/10 UPA/PCI (UltraSPARC-IIi 333MHz), No Keyboard
OpenBoot 3.15, 128 MB memory installed, Serial #10933339.
Ethernet address 8:0:20:a6:d4:5b, Host ID: 80a6d45b.

ok probe-ide
  Device 0  ( Primary Master ) 
          ATA Model: ST34321A                                

  Device 1  ( Primary Slave ) 
         Not Present

  Device 2  ( Secondary Master ) 
         Removable ATAPI Model: CRD-8322B                               

  Device 3  ( Secondary Slave ) 
         Not Present

ok