Sun Fire V480 / Sun Fire V880 1050MHz CPU/Memory Board Sun X6894A

Sun X6894A

The X6894A is a CPU card manufactured by Sun Microsystems. We gathered information from several on-line sources and complied it here. We hope you find it helpful. If you have any more useful information about this product, please let us know so we can add it to this site.

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Here are the X-Option numbers and Part numbers associated with the X6894A:

X-Options: X6894A

Part Numbers:

Sun X6894A

CPU to Memory Association

CPU to Memory Group Map

Notes:

1. The minimum operating system for Sun Fire V880 to run at 1050MHz is Solaris 8 10/01 with all applied patches, or Solaris 8 2/02.
   Sun Fire V880 OBP 4.7.5 Version is required.
2. The minimum operating system for Sun Fire V480 to run at 1050MHz is Solaris 8 2/02 with all applied patches.
   Sun Fire V480 OBP 4.7.5 Version is required.
3. Although the above information states the minimum OBP levels, it is highly recommended that Sun Fire V480/V880 servers with 1050MHz CPUs be at OBP 4.10.8 or higher .
4. The USIII is Cheetah+ 1050MHz or Cheetah++ 1050MHz.
5. Mixing module speeds is not supported.

Memory Notes:

1. Memory errors include CPU number, J number, and Slot location.
2. Four DIMMs of the same size form a group.
3. The minimum memory is sixteen DIMMS in groups A0, A1, B0, and B1.
4. DIMM groups associated with a failed CPU are unavailable for use.
5. Interleaving is limited to memory on the same CPU/Memory Board.
6. Two-way interleaving occurs in any group when the DIMM size does not match the size used in any other group.
7. Four-way interleaving occurs between any two groups when the DIMM sizes are the same.
8. Eight-way interleaving occurs when the DIMMs in all four groups are the same size.

Where to buy:

Documentation:

• Sun Fire V880 Server Product Notes , 806-6593.
• Sun Fire V880 Server Service Manual , 806-6597.
• Sun Fire V480 Product Notes , 816-0905.
• Sun Fire V480 Administration Guide , 816-0904.
• Sun Fire V480 Parts Installation and Removal Guide , 816-0907.