Fibre Channel ServerNet Adapter Installation and Support Guide (G06.27+, H06.03+)
Introduction to the FCSA
Fibre Channel ServerNet Adapter Installation and Support Guide—528254-011
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Data Transfer Interface (ServerNet)
These connections are on the back of the FCSA and attach to the midplane.
Data Transfer Interface (ServerNet)
The data transfer interface consists of ports to the ServerNet X and Y fabrics. The 
ports connect to the ServerNet addressable controller (SAC) on the adapter. If one 
ServerNet fabric fails, the FCSA can still be accessed by using the remaining fabric. 
Maintenance Entity (ME) Interface 
The Maintenance Entity (ME) interface contains the circuitry required to meet the 
maintenance system requirements of an active-logic adapter, which includes:
•
Redundant access to the maintenance-system features of the adapter, which allow 
you to:
°
Power the adapter on or off
°
Identify the type, configuration, and revision of the adapter
•
A serial EEPROM (SEEROM) that provides:
°
Hardware identification (part number and revision)
°
Manufacturing tracking (serial) number
°
Hardware-error data
Power Interface
The FCSA receives power through a shielded, high-density, metric connector module. 
The connector module provides attachments to the two ServerNet fabrics.
Firmware
Flash Boot Firmware
The flash boot firmware contains version information about the boot firmware located 
in the FCSA FLASH memory. The boot firmware runs on every FCSA after power on 
and after hardware or firmware errors, and is re-downloaded to initialize the adapter 
and to accept downloaded firmware from the processor. 
Flash Firmware
The flash firmware contains version information about the operational firmware located 
in the FCSA FLASH memory. Flash firmware runs the FCSAs used for system load so 
the processor boot milicode can read the system-load disk.
The flash firmware is not used on NonStop S-series servers.










