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Chapter 4 85
4F IDE Bus Initialization (bios debug purpose)
50 PCI Bus Initialization (bios debug purpose)
51 Boot option policy services initialization (bios debug purpose)
52 Firmware Flash Device (for BIOS ROM) Read/Write Services
53 ACPI Table creation (bios debug purpose)
54 PCI Hot Plug Services Initialization (bios debug purpose)
55 Platform policy services initialization (bios debug purpose)
56 IDE device platform policy relative services initialization (bios debug purpose)
57 SmBios Services (bios debug purpose)
58 Memory relative SmBios creation (bios debug purpose)
59 SmBios Creation (bios debug purpose)
5A Console In/Out Device
5C ACPI Table creation services (bios debug purpose)
5D Console In/Out Device
5E Console Out Device
5F DataHub Service (bios debug purpose)
61 Memory Test
63 Legacy 8259 Interrupt router relative initialization
64 Shadow RAM Control Service
65 Legacy Interrupt router relative initialization
66 PS2 Keyboard Service
67 VGA device Service
68 The service of monitor insert key from Keyboard (bios debug purpose)
69 EFI CSM service (bios debug purpose)
6A EFI CSM service (bios debug purpose)
6B PCI Bus platform policy relative services initialization (bios debug purpose)
6C Acer INT15 Hook
6B Acer WMI
6E USB relative initialization
6F USB relative initialization
70 USB relative initialization
71 USB Keyboard
72 USB Mass Storage (CD-ROM, HD…)
73 USB UHCI Controller
74 USB Mouse
75 USB Bus
76 Setup Utility Services (bios debug purpose)
78 USB relative service
78 CCD Detcction
79 Console Out Device
7A Console In/Out Device
7B DataHub Service (bios debug purpose)
POST Code Description