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System Controller

Sun Fire 3800

501-5563

Jumper Settings

JUMPER	PINS	SETTING	DESCRIPTION
J1301	1-2 2-3	In In	Select ROMBO Select FPROM (default)
J1303	1-2 1-2	In Out	FPROM write enable (default) FPROM write protect
J2303*	1-2 2-3	In In	RS232 +12Vdc RS423 +5Vdc (default)
J2304*	1-2 2-3	In In	RS232 -12Vdc RS423 -5Vdc (default)

* Jumpers J2303 and J2304 must be set identically.

Sun Fire 3800-6800 Codename: Serengeti

Notes

1. The minimum operating system is Solaris 8 4/01.
2. System Controller slots are labeled SSC0 and SSC1.
3. Pressing the Reset switch reloads the System Controller software (attempting a SC reboot first is recommended).
4. Resetting the System Controller with OBP >/=5.12 can bring down running domains if the System Controller is performing a JTAG operation.
5. Shut down running domains before resetting the System Controller.
6. A System Controller reboot does not affect running domains.
7. How To article 1005873.1 provides a "ftp-only" shortcut for updating the flashprom firmware.
8. To obtain the system serial number, use the SC command:
   showplatform -p mac
   See 805-7372 for details.

References

1. Sun Fire Systems Service Manual, 805-7363.
2. Sun Fire Systems Platform Administration Manual, 805-7373.
3. Sun Fire System Controller Command Reference Manual, 805-7372.