
iv Sun Blade T6300 Server Module Administration Guide • April 2007
▼ To Access the System Console Through an Alphanumeric Terminal 8
Switching Between the ALOM System Controller and the System Console 9
ALOM sc> Prompt 10
Access Through Multiple Controller Sessions 11
Reaching the sc> Prompt 12
OpenBoot ok Prompt 12
Methods to Reach the ok Prompt 13
Graceful Shutdown 13
ALOM System Controller break or console Command 14
L1-A (Stop-A) Keys or Break Key 14
Manual System Reset 14
For More Information About OpenBoot Firmware 15
Obtaining the ok Prompt 15
▼ To Obtain the ok Prompt 16
System Console OpenBoot Configuration Variable Settings 17
2. Managing RAS Features and System Firmware 19
Interpreting System LEDs 20
Controlling the Locator LED 21
▼ To Turn On the Locator LED From the ALOM System Controller
Command Prompt 21
▼ To Turn Off the Locator LED From the ALOM System Controller
Command Prompt 21
▼ To Display the State of the Locator LED From the ALOM System
Controller Command Prompt 22
Automatic System Recovery 22
AutoBoot Options 22
▼ To Enable an Automatic Degraded Boot 23
Error Handling Summary 23
Reset Scenarios 24