PCI Bus
0x50h
X
0x51h
X
0x52h
X
0x53h
X
0x54h
X
0x55h
X
0x56h
X
0x57h
X
USB
0x58h
X
0x59h
X
ATA / ATAPI / SATA
0x5A
X
0x5B
X
0x5C
X
0x5D
X
SMBUS
0x5E
X
0x5F
X
Local Console
0x70h
X
0x71h
X
0x72h
X
Remote Console
0x78
X
0x79
X
54
Table 7. Diagnostic LED POST Code Decoder
O
X
O
O
X
O
O
X
O
O
X
O
O
X
O
O
X
O
O
X
O
O
X
O
O
X
O
O
X
O
O
X
O
O
X
O
O
X
O
O
X
O
O
X
O
O
X
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
X
X
X
X
X
X
X
O
X
X
O
X
X
X
O
O
X
O
X
X
X
O
X
O
X
O
O
X
X
O
O
O
O
X
X
X
O
X
X
O
O
X
O
X
O
X
O
O
O
O
X
X
O
O
X
O
O
O
O
X
O
O
O
O
X
X
X
X
X
X
X
O
X
X
O
X
O
X
X
X
O
X
X
O
Intel® Server Board S3420GP User Guide
Enumerating PCI buses
Allocating resources to
PCI buses
Hot Plug PCI controller
initialization
Reserved for PCI bus
Reserved for PCI bus
Reserved for PCI bus
Reserved for PCI bus
Reserved for PCI bus
Resetting USB bus
Reserved for USB devices
Resetting SATA bus and
all devices
Reserved for ATA
Enable Smart if supported
by ATA device
Reserved for ATA
Resetting SMBUS
Reserved for SMBUS
Resetting the video
controller (VGA)
Disabling the video
controller (VGA)
Enabling the video
controller (VGA)
Resetting the console
controller
Disabling the console
controller