Pal Revision Id (7Bh); Port 80 Bios Post Codes (80H) - Intel NetStructure ZT 5515 Product Specification

System Registers
C.1.3
Table 39. PAL Revision ID (7Bh)
C.1.4
Table 40. Port 80 BIOS POST Codes (80h)
C.1.5
80
Downloaded from Elcodis.com electronic components distributor

PAL Revision ID (7Bh)

I/O Address:
Default Value:
Attribute:
Bit Description
7:4 RESERVED
3:0 RESERVED (PAL ID)

Port 80 BIOS POST Codes (80h)

I/O Address:
Default Value:
Size:
Attribute:
Bit
D7-D0
These bits correspond to eight LEDs (labeled D0 through D7) on the solder side of
7:0
the PCB. The Port 80 bits report the BIOS POST (diagnostic) codes. These LEDS
may not be visible if a hot swap shield is installed on the board. D7 corresponds to
the most significant bit.
Switch Monitors (E3h)
Address Offset: E3h
Default Value: 0x80
Size: 8 bits
Attribute: RO
®
TM
Intel NetStructure ZT 5515 Compute Processor Board Technical Product Specification
7Bh
0x00
R/W
80h
0x00
8 bits
WO
Description