DEC DECpc 433 User Manual

Troubleshooting
•
Table 2-5. Intelligent Graphics Controller Beep Codes
Long
Short Failed. Test
Be~ps
Beeps
Test
Description
1
1
VGARAMDAC R./W to palette registers
1
2
Monitor
Incorrect
loading on RGB
detection lines or BT459 test circuit
failed
1
3 VGA display R./W test to display memory
memory failed
1 4 VGA retrace
No vertical retrace detected
1 5 Other adapter If CGA or MDA is installed,
POST tests and reports an
error
if either fails
1 6 Xilinx
Xilinx components failed
programming
2
1
Program freq SC22318 failed to program;
· synth
a R./W test performs
2 2
BT459 RAMDAC
Register R/W test failed
2
3 GSPPOST GSP self test failed to
timeout
complete
2 4
Register R/W R/W test to i486 registers and
GSP external configuration
register
2 5 Frame grab HW
Test is made
on full frame-
grab hardware; a known set
of data is placed
in the VGA
display memory and a frame
is caught on the GSP side and
compared
2 6 GSPmemory
R/W test on VRAM and
DRAM on the GSP side
3
1
Intelligent Reserved video switch
graphics selected
controller
disabled
2-14
DECpc 433 Workstation Service Guide

DEC DECpc 433 Specifications

General

Brand	DEC
Model	DECpc 433
Category	Desktop
Language	English