The POST Routine
Section 2
MVE466 System Board
POST Code (Port 80h) Definitions
01
02
03
04
05
06
08
09
OA
OB
o c
OD
OE
10
11
12
13
14
15
16
17
CPU TEST
DMA PAGE REGISTER TEST
KEYBOARD CONTROLLER TEST
BIOS ROM CHECKSUM
SEND KEYBOARD COMMAND TEST
CMOS RAM TEST
RAM REFRESH TEST
FIRST 64K MEMORY TEST
DMA CONTROLLER TEST
INITIALIZE DMA
INTERRUPT TEST
DETERMINE RAM SIZE
INITIALIZE VIDEO OF
CHECKSUM
SEARCH FOR MONOCHROME CARD
SEARCH FOR COLOR CARD
WORD
AND BYTE SHIFTER TEST
KEYBOARD TEST
RAM TEST
TIMER TEST
INITIALIZE OUTPUT PORT OF
CONTROLLER
KEYBOARD INTERRUPTTEST
3 - 4
Version DO1
1993
