Specifications

CP302 CMOS Setup
ID 21112, Rev. 05 Page 4 - 37® PEP Modular Computers GmbH
30h Measures total memory size
31h Initialize USB
Tests all memory above 1MB, shows memory size
32h Scans for ISA PnP devices, isolates and assigns CSN to ISA PnP devices
Disables SuperIO COM/LPT ports
Detects and records COM/LPT ports
Programs Super IO according to setup and detects any other COM/LPT ports
present in the system
Programs Audio system
Initializes chipset EIDE channels
33h --
34h --
35h --
36h --
37h --
38h --
39h --
3Ah --
3Bh --
3Ch Enables going to setup
3Dh Installs PS/2 mouse if present
If ACPI supported: checks for compressed ACPI table
3Eh Attempts to enable L2 Cache
3Fh --
40h --
41h
0BFh
--
Programs chipset
Chipset auto configuration if required
SuperIO COM/LPT auto configuration if required
Records system device nodes
Assigns resources to ISA PnP devices
Installs Floppy disk
42h Installs EIDE HardDisk and ATAPI drives
43h Checks and initializes COM/LPT ports
44h --
Table 4-11: Normal POST Codes after System BIOS is Shadowed
POST Code Action
Table continued on following page
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