Sun Microsystems, Inc.   Sun System Handbook - ISO 3.4 June 2011 Internal/Partner Edition
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SPARCstation 20

Options 116 / 132 / 164

501-2479 501-2480 501-2622
16MB 5.0V ECC
60ns DIMM
Option 116
64MB 5.0V ECC
60ns DIMM
Option 164
32MB 5.0V ECC
60ns DIMM
Option 132


Memory Map

SOCKET DIMM * DIMM ** BANK ADDRESS RANGE
J0201 DIMM 0 DIMM 0 Bank 0 00000000 - 03ffffff
J0202 DIMM 1 DIMM 2 Bank 2 08000000 - 0bffffff
J0203 DIMM 2 DIMM 5 Bank 5 14000000 - 17ffffff
J0301 DIMM 3 DIMM 3 Bank 3 0c000000 - 0fffffff
J0302 DIMM 4 DIMM 6 Bank 6 18000000 - 1bffffff
J0303 DIMM 5 DIMM 1 Bank 1 04000000 - 07ffffff
J0304 DIMM 6 DIMM 7 Bank 7 1c000000 - 1fffffff
J0305 DIMM 7 DIMM 4 Bank 4 10000000 - 13ffffff
* This installation sequence does not match the bank order.
* SS20 Service Manual, 801-6189.
** This installation sequence matches the bank order.
** SS20 DSIMM Installation, 801-6185.
** SS10SX and SS20 System Configuration Guide, 801-7287.

Notes

  1. The 32MB DIMM is not supported in the SS10 or SS10SX.
  2. The minimum memory requirement is one DIMM in Bank 0.
  3. Install Solaris 2.3 Patch >=101318-34 when:
    One 32MB DIMM is mixed with seven 16 or 64MB DIMMs.
    Two 32MB DIMMs are mixed with five or more 16 or 64MB DIMMs.
    Three 32MB DIMMs are mixed with three or more 16 or 64MB DIMMs.
    Four 32MB DIMMs are mixed with one or more 16, 32, or 64MB DIMMs.
  4. Use the sxconfig (1M) command to configure contiguous memory.

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