User`s guide

Appendix A
16
AST
(
50)Protected mode.
Award
(50)Write all the CMOS values currently in the BIOS stack areas back into the
CMOS. Write CMOS; Write all CMOS values back to RAM and clear screen.
Compaq
(50)Check for dual freq in CMOS.
Chips & Tech
(50)Hardware initialize.
P
hoenix
(50)Display CPU type and speed.(Beep)=2
-
2
-
1
-
1.(50)Per
-
form LSL instruction
test.[Beep]=none Custom chip set or custom platform.
Error Code
–
51
AMI
(51)Memory size display adjusted due to relocation/shadow. Memory test above 1M
to follow. DMA un
it
-
1 base register test about to start.
AST
(51)Protected mode.
Award
(51)Pre
-
boot enable; Enable parity checker; Enable NMI, Enable cache before boot.
Compaq
(51)Check CMOS VDU configuration.
Chips & Tech
(51)Timer Initialize
Phoenix
(51)Initialize E
ISA board.
Error Code
–
52
AMI
(52)Memory testing/initialization below 1M complete. Going to save memory size
information. Going to prepare to go back to real mode. DMA unit-
1 channel OK,
about to begin CH
-
2.
Award
(52)Initialize all ISA ROMs. Later PC
I initializations(PCI BIOS only).PnP
initializations(PnP BIOS only).Program shadow RAM according to setup settings.
Program parity according to setup setting. Power Management initialization.
Initialize option ROMs; initialize any option ROMs present from
C8000h to
EFFFFh.
Compaq
(52)Start VDU search.
Chips & Tech
(52)DMA controller initialize.
Phoenix
(52)Test keyboard.(Beep)=2
-
2
-
1
-
3.(52)Perform LAR instruction test.
Error Code
–
53
AMI
(53)Memory size information is saved. CPU registers are saved. G
oing to enter in
real mode. DMA CH
-
2 base register test OK.
Award
(53)If it is not a PnP BIOS, initialize serial & parallel ports. Initialize time value in
BIOS data area. Initialize time value; Initialize time value in 40h BIOS data area.
Compaq
(53)Vec
tor to VDU option ROMs.
Chips & Tech
(53)Initialize interrupt controller.
Error Code
–
54
ACER
(54)#7 shutdown.
AMI
(54)Shutdown successful, CPU in real mode. Going to re
-
store registers saved
during preparation for shutdown. About to check F/F latch
for unit
-
1 and unit
-
2.
Compaq
(54)Initialize primary display adapter.
Chips & Tech
(54)Chip
-
Set Initialize.
Phoenix
(54)Set key click if enabled.(Beep)=2
-
2
-
2
-
1.(54)Perform VERR instruction test.
Error Code
–
55
AMI
(55)Registers restored. Going to d
isable gate A20 address line. F/F latch for both
units checked.
Award
(55)Check PCI video Card
-
or replace video card.
Compaq
(55)Initialize secondary display adapter.
Chips & Tech
(55)EMS configuration Setup.
Error Code
–
56
AMI
(56)A20 address line
disable successful. BIOS ROM data area about to be checked.
DMA unit 1 and 2 programming over and about to initialize 8259 interrupt
controller.
Compaq
(56)No display adapters installed.
Chips & Tech
(56) Protected mode.
Phoenix
(56)Enable keyboard.(Bee
p)=2
-
2
-
2
-
3.Unexpected exception.
Error Code
–
57
AMI
(57)A20 address line disable successful. BIOS ROM data area check halfway. BIOS
ROM data area check to be com
-
plete.8259 initialization over.
Compaq
(57)Init primary VDU mode.
Chips & Tech
(57)Memo
ry size.
Error Code
–
58
ACER
(58)#6 shutdown.
AMI
(58)Memory size adjusted for relocation/shadow. Going to clear Hit<DEL>
message. BIOS ROM data area check over. Going to clear Hit<ESC> message.8259
mask register check OK.
Compaq
(58)Start of VDU tes
t (for each adapter).
Chips & Tech
(58)Memory interleave configure.
Phoenix
(58)Test for unexpected interrupts.(Beep)=2
-
3
-
3
-
.(58) Perform A20 gate test.
Error Code
–
59
AMI
(59)Hit<ESC> message cleared.<Wait..> message displayed. About to start DMA