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OCPRF100 MP Server System Technical Product Specification
Revision 1.0
32
• Receives user input and sends requests to the service layer
• Displays the status of the PCI slot
• Provides user with access to PHP functions that may be available through multiple inter-
faces
Hot-plug Service
• Provides communication between the user interface and the hot-plug controller driver and
is responsible for configuring, loading, and unloading the adapter driver component
• Puts the system into a quiescent state through the hot-plug adapter card by making stan-
dard system calls
• Provides communication to the hot-plug controller
• Reports status to the hot-plug user interface
Hot-plug Driver
• Communicates a hot-plug request from the system’s service layer
• Provides a software bridge to the PCI hot-plug hardware
• Drives the hot-plug controller
BIOS
• Supplies initialization of the hot-plug hardware components
• Provides DIMM ID monitoring and presence detection
• Provides Advanced Configuration and Power Interface (ACPI) table generation
Adapter Drivers
• For Windows NT* 4.0, changes need to be made to standard miniport drivers.
• For SCO* UnixWare* Version 7.01, the driver must be DDI-8 compliant.
• For Novell* NetWare* Version 5.0, the driver must comply with the NWPA 2.32 or ODI
3.31 specifications.
3.3.3.4 PCI Hot Plug Mechanical Implementation
. The mechanical retention solution includes the following items:
• LED PC board
• Cable between LED board and the I/O carrier baseboard
• Rocker mechanism
• Plastic card guide/retention mechanism to secure the rear of each installed PCI card