User`s guide

Appendix A
19
Error Code
72
AMI
(72)Keyboard interface test over, mouse interface test started.
Compaq
(72)High order address test.
Chips & Tech
(72)Pointing divide.
Phoenix
(72)Check for con
figuration errors.(Beep)=2
-
4
-
1
-
3.(72) Real time clock test.
Error Code
73
AMI
(73)Global data initialization for keyboard/mouse over.
Compaq
(73)Exit memory test.
Error Code
74
ACER
(74)About to test serial port.
AMI
(74)Display ’SETUP’ prompt
and about to start floppy setup.
Compaq
(74)Parity error on bus after memory test, system halted.
Phoenix
(74)Test real
-
time clock.(Beep)=2
-
4
-
2
-
1.Test for stuck keys.
Error Code
75
AMI
(75)Floppy setup over.
Compaq
(75)Start of protected mode test.
Error Code
76
AMI
(76)Hard disk setup about to start.
Compaq
(76)Prepare to enter protected mode.
Phoenix
(76)Check for keyboard errors. (Beep)=2
-
4
-
2
-
3.Initialize hardware interrupt
vectors.
Error Code
77
AMI
(77)Hard disk setup over.
Compaq
(77)Test software exceptions.
Error Code
78
ACER
(78)Set real time.
Compaq
(78)Prepare to return to real mode.
Phoenix
(78)Detect and test CoProcessor.
Error Code
79
AMI
(79)About to initialize timer data area.
Compaq
(79)Back in real mode
-
No
error.
Error Code
7A
AMI
(7A)Timer data initialized and about to verify CMOS battery power.
Compaq
(7A)Back in real mode
-
error.
Phoenix
(7A)Determine/Init COM channels.
Error Code
7B
AMI
(7B)CMOS battery verification over.
Compaq
(7B)Exit prot
ected mode.
Error Code
7C
ACER
(7C)scan option. RAMs.
Compaq
(7C)High order address test failure.
Phoenix
(7C)Set up hardware interrupts vectors.(Beep)=2
-
4
-
4
-
1.Determine LPT channels.
Error Code
7D
AMI
(7D)About to analyze POST results. About t
o analyze diagnostic test results for
memory.
Compaq
(7D)Enter cache controller test.
Error Code
7E
AMI
(7E)CMOS memory size updated.
Compaq
(7E)Exit cache controller test.
Phoenix
(7E)Test CoProcessor if present.(Beep)=2
-
4
-
4
-
3.Initialize BIOS data
area.
Error Code
7F
AMI
(7F)Look for <DEL>key and get into CMOS setup if found About to check
optional ROM C000:0.
Compaq
(7F)Copy System ROM to high RAM.
Error Code
80
ACER
(80)Determine math CoProcessor is present.
AMI
(80)Keyboard test sta
rted, clearing output buffer, checking for stuck key, About to
issue keyboard reset command. About to give control to optional ROM in segment
C800 to DE00.
Compaq
(80)Start of 8042 test.
Phoenix
(80)Disable onboard Super I/O ports and IRQs.(Beep)=3
-
1
-
1
-
1.Detect floppy
controller.
Error Code
81
AMI
(81)Keyboard reset error/stuck key found. About to issue keyboard controller
interface test command. Optional ROM control over.
Compaq
(81)Do 8042 self
-
test.
Phoenix
(81)late POST device initialization.
Error Code
82
AMI
(82)Keyboard controller interface test over. About to write command byte and Init