35
17
Test Stuck 8259's
Interrupt Bits
Turn off interrupts then verify no interrupt mask
register is on.
18
Test 8259 Interrupt
Functionality
Force an interrupt and verify the interrupt occurred.
19
Test Stuck NMI Bits
(Parity I/O Check)
Verity NMI can be cleared.
1A
Display CPU clock.
1B-1E Reserved
1F
Set EISA Mode
If EISA non-volatile memory checksum is good,
execute EISA initialization. If not, execute ISA tests
an clear EISA mode flag.
Test EISA Configuration Memory Integrity
(checksum & communication interface).
20
Enable Slot 0
Initialization slot 0 (System Board).
21-2F Enable Slot 1-15
Initialize slot 1 through 15.
30
Size Base and Extended
Memory
Size base memory from 256K to 640K and extended
memory above 1MB.
31
Test Base and Extended
Memory
Test base memory from 256K to 640K and
extended memory above 1MB using various
patterns.
NOTE: This will be skipped in EISA mode and can
be "skipped" with ESC key in ISA mode.
32
Test EISA Extended
Memory
If EISA Mode flag is set then test EISA memory
found in slots initialization.
NOTE: This will be skipped in ISA mode and can be
"skipped" with ESC key in EISA mode.
33-3B Reserved
3C
Setup Enabled
3D
Initialize & install Mouse
Detect if mouse is present, initialize mouse, install
interrupt vectors.
3E
Setup Cache Controller
Initialize cache controller.
3F
Reserved
BF
Chipset Initialization
Program chipset registers with Setup values
40
Display virus protest disable or enable.
41
Initialize Floppy
Drive & Controller
Initialize floppy disk drive controller and drives.
42
Initialize Hard Drive &
controller
Initialize hard drive controller and any drives.
