Sun Microsystems 2GB Memory kit X7026A

Sun X7026A

The X7026A is a 2GB 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 X1034A:

X-Options: X7021A, X7022A, X7023A, X7026A

Part Numbers:

Sun X7026A

Notes:

1. Eight DIMMs form a bank.
2. All DIMMs within a bank must be the same size.
3. The first bank of memory can be either Bank 0 or Bank 1.
4. Install one bank on each CPU/Memory board before installing the second bank on any board.
5. Install the largest density banks first, then medium density banks, and finally the smallest density banks.
6. The 256MB DIMMs require OBP >=3.2v23.
   OBP 3.2v26 fixes 2GB memory bank BugID 4323635.
   OBP 3.2v29 fixes mirrored SRAM identification BugID 4427581.
   See Patch 103346 .
7. The Solaris 2.5.1 prtdiag command displays incorrect memory capacity. Install Patch 104595-09 or higher.

Where to buy:

Documentation:

Ultra Enterprise 3000 System Manual , 802-6051.

Ultra Enterprise 4000/5000/6000 System Manual , 802-3845.

DIMM Installation Guide , 802-5032.