Specifications

CP302 CMOS Setup
ID 21112, Rev. 05Page 4 - 36 ® PEP Modular Computers GmbH
0Bh Detects Coprocessor
Initializes Power Management chipset
Updates CPU microcode if P6 CPU
Reads existing ESCD
Scans PCI devices and busses, assigns I/O and Memory to PCI devices
Initializes Clock generator
Initializes Hardware monitoring / temperature sensor
0Ch Initializes keyboard buffer in BDA
0Dh
0BFh
0Dh
--
Program chipset
Measures CPU core speed
Initializes VGA video
If VGA video not found: Checks for CGA
If none found: Beepcode -..
0Eh If CGA video found: Checks video memory
If supported: Tries to init Award preboot agent
If supported: Shows graphic logo, otherwise shows EPA logo
If not full screen graphic logo, shows copyright message and CPU type and
speed
If ISA VGA video: Switches on ISA video ROM shadowing
0Fh Tests DMA Channel 0
10h Tests DMA Channel 1
11h Tests DMA Page Registers
12h --
13h --
14h Tests and init timer (8254)
15h If not warm boot: tests MasterPIC mask register bits
16h If not warm boot: tests SlavePIC mask register bits
17h --
18h Tests PIC’s by use of timer. Restores timer
19h --
1Ah --
1Bh --
1Ch --
1Dh --
1Eh --
Table 4-11: Normal POST Codes after System BIOS is Shadowed
POST Code Action
Table continued on following page
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