Table of Contents
Advertisement
cPCI-MXS64GX Technical Reference Manual
POST Codes (continued)
POST #
Designation
0C
Initialize Keyboard
0D
Initialize Video Interface
& Chipset
0E
Test Video Memory
0F
Test DMA Controller 0
10
Test DMA Controller 1
11
Test DMA Page Registers
12
Reserved
13
Reserved
14
Test Timer Counter 2
15
PIC Test 8259-1 mask bits
16
PIC Test 8259-2 mask bits
1.
Open Xilinx I/O Port
location to x90h (X=1,2 or
3) inside the chipset (if
necessary).
2.
Disable (if necessary).
Thermal Management.
3.
Disable (if necessary)
Ethernet Chip.Set IDE
Detect counter to 0.
4.
Set CD-ROM found
variable to 0.
5.
Initialize zone 40:0h for the
keyboard buffer.
1.
On M1 set the cache for
the memory installed.
2.
On PCI, do a PCI ROM
init.
3.
On P6, Init. Apic.
4.
Init. Chipset.
5.
Turn ON CPU Cache.
6.
Set Maximum Speed.
7.
Measure CPU Clock
Speed.
8.
Restore Speed.
9.
Turn Off CPU Cache.
10.
Early Video Shadow.
11.
Read CMOS location 14h
to find out type of video to
use. Detect and initialize
Video Adapter.
12.
Init. T380 if necessary.
1.
If CGA or MONO, test video memory.
2.
Beep the speaker.
3.
Show the LOGO.
4.
Install VT100 driver if necessary.
5.
Write sign-on message to screen.
6.
Write Copyright message to screen.
7.
Write Evaluation message to screen.
8.
Show CPU type and speed.
Test DMA Controller 0.
Test DMA Controller 1.
Test DMA Page Registers.
Reserved for 8254 Counter 0 - Not implemented.
Reserved for 8254 Counter 1 - Not implemented.
Test 8254 Timer 0 Counter 2.
Verify 8259 Channel 1 masked interrupts by alternately turning off
and on the interrupt lines.
Verify 8259 Channel 1 masked interrupts by alternately turning off
and on the interrupt lines.
F-4
Description
st
Boot Block 1
: Verify BIOS
checksum.
Boot Block in EMERGENCY 2
: Init. vector 00h through 77h.
Boot Block in EMERGENCY:
Try to init. Video Card...
nd
Advertisement
Table of Contents
