Sun Microsystems, Inc.   Sun System Handbook - CD 2.1.8 April 2005 Internal/Partner Edition
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Power Supplies - Sun Fire V20z/V40z Voltage Regulator Modules

Voltage Regulator Modules

Servers: Sun Fire V20z/V40z

370-6646 370-6680 370-7747 370-7746
2.5V Memory VRM
Newisys S00376		 60A CPU VRM
Newisys S00374		 2.6V Memory VRM
Newisys S01940		 80A CPU VRM
Newisys S02326

Memory Voltage Regulator Module (370-6646 and 370-7747)

Opteron CPU Voltage Regulator Module (370-6680)

Opteron CPU Voltage Regulator Module (370-7746)

Sun Fire V20z Codename: Stinger2P
Sun Fire V40z Codename: Stinger4P

Memory VRM Notes

  1. Memory VRM 370-6646 supports DDR333/PC2700 DIMMs.
  2. Memory VRM 370-6646 is included with Opteron C0 and CG Stepping Options.
  3. Memory VRM 370-7747 supports DDR333/PC2700 and DDR400/PC3200 DIMMs.
  4. Memory VRM 370-7747 is included with Opteron E4 Stepping Options.

Sun Fire V20z Notes

  1. Use CPU VRM 370-6680 with V20z Chassis FRU 380-0979.
  2. Use CPU VRM 370-6680 with V20z Chassis FRU 380-1168.
  3. Use CPU VRM 370-7746 with V20z Chassis FRU 380-1194.
  4. CPU VRM 370-6680 is not pin compatible with V20z Chassis FRU 380-1194.
  5. CPU VRM 370-7746 is not pin compatible with V20z Chassis FRU 380-0979.
  6. CPU VRM 370-7746 is not pin compatible with V20z Chassis FRU 380-1168.

Sun Fire V40z Notes

  1. Use CPU VRM 370-6680 with V40z Chassis FRU 380-1010.
  2. Use CPU VRM 370-7746 with V40z Chassis FRU 380-1206.
  3. CPU VRM 370-6680 is not pin compatible with V40z Chassis FRU 380-1206.
  4. CPU VRM 370-7746 is not pin compatible with V40z Chassis FRU 380-1010.

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