Intel S975XBX2 Product Specification - Page 88

POST Code, Description of POST Operation, Keyboard PS2 or USB, Mouse PS2 or USB, Fixed Media,

Page 88 highlights

Intel Workstation Board S975XBX2 Technical Product Specification Table 44. Port 80h POST Codes (continued) POST Code 90 91 92 93 94 95 98 99 9A 9B B0 B1 B2 B3 B8 B9 BA BC Dy E0 E2 E1, E3 E4 E5 E6 Description of POST Operation Keyboard (PS2 or USB) Resetting keyboard Disabling the keyboard Detecting the presence of the keyboard Enabling the keyboard Clearing keyboard input buffer Instructing keyboard controller to run Self Test (PS2 only) Mouse (PS2 or USB) Resetting mouse Detecting mouse Detecting presence of mouse Enabling mouse Fixed Media Resetting fixed media Disabling fixed media Detecting presence of a fixed media (IDE hard drive detection, etc.) Enabling/configuring a fixed media Removable media Resetting removable media Disabling removable media Detecting presence of a removable media (IDE, CD-ROM detection, etc.) Enabling/configuring a removable media BDS Trying boot selection y (y=0 to 15) PEI Core Started dispatching PEIMs (emitted on first report of EFI_SW_PC_INIT_BEGIN EFI_SW_PEI_PC_HANDOFF_TO_NEXT) Permanent memory found Reserved for PEI/PEIMs DXE Core Entered DXE phase Started dispatching drivers Started connecting drivers continued 88

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Intel Workstation Board S975XBX2 Technical Product Specification
88
Table 44. Port 80h POST Codes
(continued)
POST Code
Description of POST Operation
Keyboard (PS2 or USB)
90
Resetting keyboard
91
Disabling the keyboard
92
Detecting the presence of the keyboard
93
Enabling the keyboard
94
Clearing keyboard input buffer
95
Instructing keyboard controller to run Self Test (PS2 only)
Mouse (PS2 or USB)
98
Resetting mouse
99
Detecting mouse
9A
Detecting presence of mouse
9B
Enabling mouse
Fixed Media
B0
Resetting fixed media
B1
Disabling fixed media
B2
Detecting presence of a fixed media (IDE hard drive detection, etc.)
B3
Enabling/configuring a fixed media
Removable media
B8
Resetting removable media
B9
Disabling removable media
BA
Detecting presence of a removable media (IDE, CD-ROM detection, etc.)
BC
Enabling/configuring a removable media
BDS
D
y
Trying boot selection y (y=0 to 15)
PEI Core
E0
Started dispatching PEIMs (emitted on first report of EFI_SW_PC_INIT_BEGIN
EFI_SW_PEI_PC_HANDOFF_TO_NEXT)
E2
Permanent memory found
E1, E3
Reserved for PEI/PEIMs
DXE Core
E4
Entered DXE phase
E5
Started dispatching drivers
E6
Started connecting drivers
continued