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Sun Blade 1000 (A28)
Sun Blade 2000 (A29)
Sun Fire 280R (A35)

Options 7050 / 7051 / 7052 / 7053 / 7061 / 7062 / 7063

501-4489	F501-5030	501-5031	501-5401
128MB DIMM 3.3V ECC / 7ns SDRAM Option 7050	512MB DIMM 501-5030 512MB DIMM 501-7385 3.3V ECC / 7ns SDRAM Option 7051	1GB DIMM 3.3V ECC / 7ns SDRAM Option 7052	256MB DIMM 3.3V ECC / 7ns SDRAM Option 7053
501-6173	501-6174	501-6175	F501-6109
1GB DIMM CR1/LC1 3.3V ECC / 7ns SDRAM Option 7063	512MB DIMM CR1/LC1 3.3V ECC / 7ns SDRAM Option 7062	256MB DIMM CR1/LC1 3.3V ECC / 7ns SDRAM Option 7061	1GB DIMM 501-6109 1GB DIMM 501-7386 3.3V ECC / 7ns SDRAM Option 7052

501-7385	501-7386
512MB DIMM 3.3V ECC / 7ns SDRAM Option 7051A-Z L	1GB DIMM 3.3V ECC / 7ns SDRAM Option 7056A-Z L

Memory Map

U0407	Group 1	Bank 1/3
U0406	Group 0	Bank 0/2
U0305	Group 1	Bank 1/3
U0304	Group 0	Bank 0/2
U0203	Group 1	Bank 1/3
U0202	Group 0	Bank 0/2
U0101	Group 1	Bank 1/3
U0100	Group 0	Bank 0/2

System Codenames

Notes

1. The minimum requirement is four DIMMs of equal size in any group.
2. DIMMs can be installed in any group order.
3. Each group addresses 4GB of memory.
4. The DIMMs in Group 0 do not need to be the same size as those in Group 1.
5. The 501-6173/6174/6175 are 13mm taller than other listed DIMMs.
6. Option 7052A changed from 501-5031 to 501-6109 in August 2003.
   The last shipment date of Options 7052A and X7052A was in April 2004.
7. Deviation WO_28258 of December 2003 shipped 501-6109 in the Sun Fire 280R.
8. DIMM 501-7385 was added to F501-5030 in February 2006. (WO_32424)
9. DIMM 501-7386 was added to F501-6109 in February 2006. (WO_32424)
10. DIMM 501-7385 was removed from F501-5030 in April 2006. (WO_32903)
11. DIMM 501-7386 was removed from F501-6109 in April 2006. (WO_32903)
12. DIMM 501-7385 was added to Option 7051 in February 2006. (WO_32418/WO_32562)
13. DIMM 501-7386 was added to Option 7056 in February 2006. (WO_32418/WO_32562)
14. Memory slots (Jxxxx) map to same-numbered DIMMs (Uxxxx):
    

    Slot	DIMM
    J0407	U0407
    J0406	U0406
    J0305	U0305
    J0304	U0304
    J0203	U0203
    J0202	U0202
    J0101	U0101
    J0100	U0100

References

1. Sun Blade 1000 Service Manual, 805-4496.
2. Sun Blade 1000 and 2000 Service Manual, 816-3217.
3. Sun Fire 280R Server Owner's Manual, 806-4806.