Acer Altos R310 Service Manual page 63

Checkpoint Code
6Bh
6Ch
6Eh
70h
72h
76h
7Ch
7Dh
7Eh
80h
81h
82h
83h
84h
85h
86h
87h
88h
89h
8Ah
8Bh
8Ch
8Fh
90h
57
Beep Code
If CMOS is bad, load Custom Defaults from flash into
CMOS. If successful, reboot.
Display shadow message.
Display the starting offset of the non-dis-posable
segment of the BIOS.
Check flags in CMOS and in the BIOS data area for
errors detected during POST. Display error
messages on the screen.
Check status bits to see if configuration
problems were detected. If so, display error
messages on the screen.
Check status bits for keyboard-related failures.
Display error messages on the screen.
Initialize the hardware interrupt vectors from 08 to 0F
and from 70h to 77h. Also set the interrupt vectors
from 60h to 66h to zero.
Initialize Intelligent System Monitoring.
The Coprocessor initialization test. Use the floating
point instructions to determine if acoprocessor exists
instead of the ET bit in CR0.
Disable onboard COM and LPT ports before testing
for presence of external I/O devices.
Run late device initialization routines.
Test and identify RS232 ports.
Configure Fisk Disk Controller.
Test and identify parallel ports.
Display any ESCD read errors and configure all PnP
ISA devices.
Initialize onboard I/O and BDA according to CMOS
and presence of external devices.
Initialize motherboard configurable devices.
Initialize interrupt controller.
Enable NMI
Initialize Extended BIOS Data Area and initialize the
mouse.
Setup interrupt vector and present bit in Equipment
byte.
Initialize both of the floppy disks and display an error
message if failure was detected. Check both drives
to establish the appropriate diskette types in the
BIOS data area.
Count the number of ATA drives in the system and
update the number in bdaFdiskcount.
Initialize hard-disk controller. If the CMOS RAM is
valid and intact, and fixed disks are defined, call the
fixed disk init routine tointialize the fixed disk system
and take over the appropriate interrupt vectors.
Description
Altos R310