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Ultra 27 (B27)

375-3610

Jumper and Switch Settings

JUMPER	PINS	SETTING	DESCRIPTION
J8	3	1-2 2-3	IEEE 1394 disable IEEE 1394 enable (default)
J24	3	1-2 2-3	Normal CMOS (default) Clear CMOS (temporary setting)
SW1	n/a	n/a	Power Button
SW2	n/a	n/a	Reset Button

Ultra 27 Codename: Volans

Notes

1. The minimum Solaris operating system is Solaris 10 10/08 x64.
2. Battery FRU 371-2210 is a Maxell, Panasonic, or Renata CR2032.
3. The battery installed by the external manufacturer is a Mitsubishi CR2032.
4. Nine screws fasten the system board to the chassis.
5. Heatsink 310-0258 is pre-greased with Shin-Etsu X23-7783D.
6. The System Board FRU includes one 310-0065 Shin-Etsu X23-7783D syringe.

Memory Installation Notes

1. The minimum configuration is a single 1GB DIMM in Slot 1.
2. A single 2GB DIMM configuration is not supported.
3. A medium configuration is a DIMM in Slot 1, Slot 3, and Slot 5.
4. The maximum configuration is a DIMM in all six slots.

References

1. Sun Ultra 27 Workstation Installation Guide, 820-6771.
2. Sun Ultra 27 Workstation Product Notes, 820-6774.
3. Sun Ultra 27 Workstation Service Manual, 820-6776.