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Method and apparatus for slot control and power sequencing in slot-based computer systems

IP.com Disclosure Number: IPCOM000009379D
Publication Date: 2002-Aug-20
Document File: 3 page(s) / 114K

Publishing Venue

The IP.com Prior Art Database

Abstract

Disclosed is a method and apparatus for slot control and power sequencing in slot-based computer systems. Benefits include improved reliability and improved usability.

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Method and apparatus for slot control and power sequencing in slot-based computer systems

Disclosed is a method and apparatus for slot control and power sequencing in slot-based computer systems. Benefits include improved reliability and improved usability.

General description

              The disclosed method is slot control and power sequencing in the chassis management module for slot-based computer systems (see Figure 1).  These systems include but are not limited to CompactPCI systems and ultradense rack-mount servers.

              Slot control and the power-sequencing module (PSM) are responsible for power up, power down, and reset of all blades in a PICMG 2.16 [PICMG 2.16 is a CompactPCI-specific standard.  chassis (see Figure 2). PSM is additionally responsible for the dynamic discovery of the blade-management controller type and notifying health-state changes to the system health and event monitor (SHEM). PSM fully automates the hot-swap power control of CompactPCI boards in and out of the PICMG 2.16 chassis.

              PSM can identify boards that do not connect to the CompactPCI bus and power them up even if they are inserted into a peripheral slot without a system slot board present for the same bus. If a system slot board goes unhealthy, PSM automatically powers down all peripheral boards on the same bus. PSM enables the automated reconfiguring of PCI segments with a bridge card.

              PSM is responsible for updating shared memory that is used by the intelligent pl...