Sun Microsystems 4GB Memory kit (4 x 1GB SDRAM DIMMs) RoHS

Sun X7056A-Z

The X7056A-Z is Memory Kit 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.

Compatibilities:

All Sun Microsystems parts are known by at least two numbers, the X-Option number and the Part number. The best way to find out what part you have is the BarCode. Every part that Sun Microsystems sells has a Sun bar-code. This bar-code has both the part number and serial number of the part. (The X-Option number is not located on the part.) Here is a sample Sun Barcode:

An X-Option may have multiple part numbers and a part number may have multiple X-Option numbers associated with it.

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Here are the X-Option numbers and Part numbers associated with the X7056A-Z:

X-Options: X7056A-Z, X7051A-Z, X7058A-Z

Part Numbers:

Sun X7056A-Z

Notes

1. Four DIMMs of the same size form a group.
2. For 750MHz and 900MHz system boards, the minimum memory is eight DIMMS in groups A0 and B0.
3. For 1050MHz and higher system boards, the minimum memory is sixteen DIMMs in groups A0, A1, B0, and B1.
4. DIMMs must be added four-at-a-time within the same group of DIMM slots; every fourth slot belongs to the same DIMM group.
5. DIMM groups associated with a failed CPU are unavailable for use.
6. Interleaving is limited to memory on the same CPU/Memory Board.
7. Two-way interleaving occurs in any group when the DIMM size does not match the size used in any other group.
8. Four-way interleaving occurs between any two groups when the DIMM sizes are the same.
9. Eight-way interleaving occurs when the DIMMs in all four groups are the same size.
10. 1GB DIMM FRU F540-5086, which includes 501-6109, was released in October 2001.
11. 1GB DIMM FRU F501-6109 replaced F540-5086 in December 2003.
12. DIMM 501-7385 was added to F501-5030 in February 2006.
13. DIMM 501-7386 was added to F501-6109 in February 2006.
14. DIMM 501-7385 was removed from F501-5030 in April 2006.
15. DIMM 501-7386 was removed from F501-6109 in April 2006.
16. DIMM 501-7385 was added to Option 7051 as a manufacturing substitute in February 2006.
17. DIMM 501-7386 was added to Option 7056 as a manufacturing substitute in February 2006.
18. 1GB DIMMs are not supported on 750MHz CPU/Memory boards in Sun Fire V880.
19. 128MB DIMMs are only supported on 750MHz CPU/Memory boards in Sun Fire V880
    

Where to buy:

References

1. Sun Fire V480 Server Adminsitration Guide, 816-0904
2. Sun Fire V490 Server Administration Guide, 817-3951.
3. Sun Fire V880 Service Manual, 806-6597
4. Sun Fire V890 Server Service Manual, 817-3957

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