HP Enterprise/

Mid-Market

Desktop PC Power

Supply Architecture

March 2010, HP confidential – for internal use only

Table of Contents:

Introduction.............................................................................................2

2009/2010 Power Supply Architecture ....................................................2

Intel® ATX12V Standard ..................................................................................2

HP AC Adapter with Smart ID Technology ........................................................4

HP Mid-Level/Enterprise PC Power Supply Architectures............................4

Convertible Mini-Tower (CMT)/Micro-Tower (MT)..............................................5

Small Form Factor (SFF) ...................................................................................5

Ultra-Slim Desktop (USDT) ...............................................................................6

New HP +12V Power Supply Architecture ........................................................6

Why Change the Power Supply Architecture? ...........................................8

Regulatory Requirements.................................................................................8

Product Optimization ......................................................................................9

Common MT and CMT Power Supply ...................................................9

SFF Cable Routing .............................................................................9

+5V and +3.3V Operational Voltages..................................................9

+5V Standby vs. +3.3V Standby .......................................................10

Summary of HP Power Supply Standard Compatibility ............................11

Future Opportunities ..............................................................................11

Compaq 8100 HP Enterprise/Mid-Market Desktop PC Power Supply Architecture

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