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Workstations:	Ultra 20 M2, Ultra 24
Servers:	Sun Fire X2100 M2
Disk Arrays:	StorageTek 5800

Options 5277A-Z / 5278A-Z / 5278A-A / 5279A-Z

371-1998	371-1999	371-4144	371-2000
DDR2-667/PC2-5300 CL5/ECC/Unbuffered 1-Rank/512Mbit SDRAM 512MB Unregistered DIMM 1GB FRU F540-7058 1GB Option 5277A-Z	DDR2-667/PC2-5300 CL5/ECC/Unbuffered 2-Rank/512Mbit SDRAM 1GB Unregistered DIMM 2GB FRU F540-7059 2GB Option 5278A-Z	DDR2-667/PC2-5300 CL5/ECC/Unbuffered 1-Rank/1Gbit SDRAM 1GB Unregistered DIMM 2GB FRU F540-7778 2GB Option 5278A-A	DDR2-667/PC2-5300 CL5/ECC/Unbuffered 2-Rank/1Gbit SDRAM 2GB Unregistered DIMM 4GB FRU F540-7060 4GB Option 5279A-Z

Ultra 20 M2 Codename: Munich Ultra 24 Codename: Ursa Sun Fire X2100 M2 Codename: Leo StorageTek 5800 Codename: Honeycomb

Ultra 20 M2 Notes

1. Install the first DIMM pair in slots DIMM 2 and DIMM 3.
2. Install the second DIMM pair in slots DIMM 0 and DIMM 1.

Ultra 24 Notes

1. Install the first DIMM pair in slots DIMM 1 and DIMM 3.
2. Install the second DIMM pair in slots DIMM 0 and DIMM 2.

Sun Fire X2100 M2 Notes

1. Install memory beginning at DIMM 0 and ending at DIMM 3.
2. Install the first DIMM pair in slots B0D0 and B0D1.
3. Install the second DIMM pair in slots B0D2 and B0D3.

References

1. Sun Ultra 20 M2 Workstation Documentation.
2. Sun Ultra 24 Workstation Documentation.
3. Sun Fire X2100 M2 Server Documentation.