User`s guide

Appendix A
10
Phoenix&Dell
(15)[Beep]=2
-
2
-
2 1st 64K RAM chip or data line failure
-
bit 5.
Error Code
–
16
AMI
(16)CH
-
2 timer test over.8254 CH
-
1 timer test to be complete. CMOS
checksum/battery check OK
Award
(16)Test 8259
-
2 mas
k bits; Verify 8259 channel 2 masked interrupt by alternate
turning off and on the interrupt line. Setup Interrupt vectors.
Compaq
(16)Battery power was lost.
Chips & Tech
(16)Keyboard controller gate A20 failure.
Phoenix&Dell
(16)BIOS ROM checksum.(Bee
p)=1
-
2
-
2
-
3. Initialize 8259, reset
Coprocessor.[Beep]=2
-
2
-
3 1st 64K RAM chip or data line failure
-
bit 6.
Error Code
–
17
AMI
(17)CH
-
1 timer test over.8254 CH
-
0 timer test to be completed. Monochrome mode
set.
Award
(17)Test struck 8259’s interrupt bits
; Turn off interrupt then verify no interrupt mask
register is on. Setup video I/O operations.
Compaq
(17)Cler CMOS
-
DIAG
Phoenix&Dell
(17)Initialize cache before memory auto
-
size.[Beep] =2
-
2
-
4 1st 64K RAM chip or
data line failure
-
bit 7.
Error Code
–
1
8
ACER
(18)Timer initialize.
AMI
(18)CH
-
0 timer test over. About to start memory refresh. Color mode set.
AST
(18)Testing Video memory.
Award
(18)Test 8259 interrupt functionality; Force an interrupt and verify the interrupt
occurred. Test video memory
.
Dell
(18)[Beep]= 2
-
3
-
1 1st 64K RAM chip or data line failure
-
bit 8
Compaq
(18)Test base memory(first 128K)
Chips & Tech
(18)Shutdown during memory test.
Phoenix&Dell
(18)8254 timer initialization.(Beep)=1
-
2
-
3
-
1. Test 8259 interrupt controllers
regis
ters.[Beep]=2
-
3
-
1 1st 64K RAM chip or data line failure
-
bit 8.
Error Code
–
19
AMI
(19)82 timer test over. Memory refresh test to be done next. About to look for
optional video ROM at segment C000 and give control to the optional video ROM
if present.
Award
(19)Test 8259 functionality. Test stuck NON
-
Maskable Interrupt bits(Parity/I/O
check);Verify NMI can be cleared. 8259 Interrupt controller, channel 1 mask bits
test.
Compaq
(19)Clear and initialize base memory.
Phoenix&Dell
(19)check memory[Beep]=2
-
3
-
2 1st 64K RAM chip or data line failure
-
bit
9.
Error Code
–
1A
AMI
(1A)Memory refresh line is toggling. Going to check 15 micro second ON/OFF
time. Return from optional video ROM. Optional video ROM control OK
Award
(1A)Display CPU clock.8259 Interr
upt controller, channel 2 mask bits test.
Compaq
(1A)Initialize and test VDU adapters.
Chips & Tech
(1A)Copyright checksum errors.
Phoenix&Dell
(1A)8237 DMA controller initialization.(Beep)=1
-
2
-
3
-
3. Verify refresh is
occurring.[Beep]=2
-
3
-
3 1st 64K RAM c
hip or data line failure
-
bit A.
Error Code
–
1B
AMI
(1B)Memory refresh period 30 micro second test complete. Base 64K memory test
about to start. Shadow RAM enable /disable completed. Display memory read/write
test OK.
Award
(1B)Test CMOS battery statu
s. Test the system ROM.
Chips & Tech
(1b)Shutdown during memory sizing.
Phoenix&Dell
(1B)[Beep]=2
-
4
-
1 1st 64K RAM chip or data line failure
-
bit B.
Error Code
–
1C
ACER
(1C)Memory refresh.
AMI
(1C)Display memory read/write test for main display type
as set in the CMOS setup
program over. Display memory read/write test for alternate display OK.
Award
(1C)Test CMOS RAM checksum. Test CMOS.
Chips & Tech
(1C)Chip
-
Set initialization.
Phoenix&Dell
(1C)[Beep]=2
-
4
-
1 1st 64K RAM chip or data line failure
-
b
it C.Reset
Programmable Interrupt Controller.(Beep)=1
-
2
–
4
-
1.Base 64K address test.
Error Code
–
1D
AMI
(1D)Display memory read/write test for alternate display type complete if main
display memory read/write test returns error. Video retrace check OK.
Set
configuration from CMOS.
Compaq
(1D)Test DMA controller and page registers.
Phoenix&Dell
(1D)[Beep]=2
-
4
-
2 1st 64K RAM chip or data line failure
-
bit D
Error Code
–
1E
ACER
(1E)Select memory type.