MVME5100 Single Board Computer Programmer's Reference Guide

B
MVME5100 VPD Reference Information
❏ Press the abort switch during startup (double-button reset -
reset/abort) to enter the safe mode (at this point, the firmware will
ignore all SROM contents and reset)
❏ Use the srom, ibm, or update command to change the VPD to the
correct parameters
The data listed in the following tables are for general reference
information. It is divided into two major sections: VPD Data Definitions,
which define VPD packet formats, and VPD Content Information, which
includes information on what is actually contained in the VPD.
VPD Definitions - Packet Types
The following table describes and lists the currently assigned packet
identifiers. Note: Additional packet identifiers may be added to this list
as future versions of the VPD are released.
Table B-1. VPD Packet Types
ID# Size Description Data
Type
Notes
00 N/A Guaranteed Illegal N/A
01 Variable Product Identifier (e.g., “PrPMC800”, “MCP750”,
“MVME5100”, “PPMC750-2xx”, “PRPMCCR,” etc.)
ASCII 1
02 Variable Factory Assembly Number (e.g., “01-W3403F01x”,
etc.)
ASCII 1
03 Variable Serial Number (e.g., “3383185”, etc.) ASCII 1
04 10 Product Configuration Options Data
The data in this packet further describes the board
configuration (e.g., header population, I/O routing,
etc.). Its exact contents is dependent upon the product
configuration/type.
A following table describes this packet.
Binary
05 04 MPU Internal Clock Frequency in Hertz (e.g.,
350,000,000 decimal, etc.)
Integer (4byte)
B-4 Computer Group Literature Center Web Site
2