Intel BLKDG41TX Technical Product Specification page 74

Intel Desktop Board DG41TX Technical Product Specification
Table 40. Port 80h POST Codes
POST Code Description of POST Operation
10 Power-on initialization of the host processor (Boot Strap Processor)
11 Host processor Cache initialization (including APs)
12 Starting Application processor initialization
13 SMM initialization
21 Initializing a chipset component
22 Reading SPD from memory DIMMs
23 Detecting presence of memory DIMMs
24 Programming timing parameters in the memory controller and the DIMMs
25 Configuring memory
26 Optimizing memory settings
27 Initializing memory, such as ECC init
28 Testing memory
50 Enumerating PCI busses
51 Allocating resources to PCI bus
52 Hot Plug PCI controller initialization
53 – 57 Reserved for PCI Bus
58 Resetting USB bus
59 Reserved for USB
5A Resetting PATA/SATA bus and all devices
5B Reserved for ATA
5C Resetting SMBus
5D Reserved for SMBus
70 Resetting the VGA controller
71 Disabling the VGA controller
72 Enabling the VGA controller
78 Resetting the console controller
79 Disabling the console controller
7A Enabling the console controller
74
Host Processor
Chipset
Memory
PCI Bus
USB
ATA/ATAPI/SATA
SMBus
Local Console
Remote Console
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