Technical data

Troubleshooting
4-14
POST
Code Descriptions
Count
Down
Code
(1)
Normal OCP
Display
OCP Error
Display
Beep
Codes
Shadow ROMs 220 Shadow ROMs
test
Test DRAM refresh
512K and 640K
210 512-640K DRAM
Extended memory test 200 Ext. mem test Memory test fail
Set cache registers 190 Set cache regs.
Cache configuration 180 Cache config. Cache fail
Real-time clock test 170 Real time clock RTC fail
RTC dead battery
CMOS chksum
bad
Keyboard test 160 Keyboard test KBC-8042 fail
Keyboard fail
Initial hardware
interrupt
150 Init HW int
Co-processor test 140 Co-processor test
Serial ports test 130 Ser. Ports test
Parallel ports test 120 Par. Ports test
Initiate onboard SIO 110 Init super I/O
Mouse test 100 Mouse test
Testing diskette drives 90 Floppy disk test FDD A or B error
Testing hard disk
drives
80 Hard disk test
CPU search 50 Search other
CPU
Search for option
ROMs
Scan option ROM OPROM chksum
bad
1-2
Enable IRQs 20 Enable IRQs
Setting time of day 10 Set time of day
One short beep before
boot
1
(1)
Count down codes are displayed on the server’s monitor.