Post Codes; Chipset Post Codes - Acer Aspire 5940G Series Service Manual

Post Codes

These tables describe the POST codes and descriptions during the POST.

Chipset POST Codes

The following table details the chipset POST codes and functions used in the POST.
Port 80 Code
01 PeiEventLog
02 OemServices
03 SioInit
04 MonoStatusCode
08 PentiumMCpuPeim
09 PlatformStage1
0A Variable
0B IchInit
0D PlatformStage2
0E IchSmbusArpDisabled
12 ClockGen
13 OpPresence
14 TcgPei
15 FindFv
2F DxeIpl
10 LightMemoryInit
11 S3ResumeSoftSmi
31 Crc32SectionExtract
A4 OemServices
A5 EventLog
32 ScriptSave
33 AcpiS3Save
34 SmartTimer
35 JpegDecoder
36 PcxDecoder
8A PlatformBds
37 MpCpu
38 LegacyMetronome
39 FtwLite
3A Runtime
3B MonotonicCounter
3C WatchDogTimer
3D SecurityStub
3E CpuIo
3F Cf9Reset
40 PcRtc
Chapter 4
Driver Name Port 80 Code
41 StatusCode
42 Variable
CF SmmVariable
43 EmuVariable
A2 TcgDxe
A3 PhysicalPresence
AE TpmDriver
AE TcgSmm
AE PhysicalPresenceReadyT
oBoot
AD DataHubRecordPolicy
86 Undi
90 SNP
91 BC
92 PxeDhcp4
93 Ebc
4D IsaBus
4E IsaSerial
6D Ps2Mouse
4F IdeBus
50 LightPciBus
6E UsbBot
6F UsbCbi0
70 UsbCbi1
71 UsbKb
72 UsbMassStorage
74 UsbMouse
8F Ehci
73 Uhci
75 UsbBus
C2 SmmBase
C5 SmmDisp
C4 SmmReloc
C7 SmmRuntime
C9 SmmThunk
D8 OemServices
44 ChipsetInit
Driver Name
151