DEC DECpc 433 User Manual

Troubleshooting
Table 2-3. Fatal Error Beep Codes (continued)
Beep
Port
Code Error
80H
2-2-3
Bit 6 1st
64 KB DRAM failure
16H
2-2-4
Bit 7 1st 64 KB DRAM failure 17H
2-3-1
Bit 8 1st 64 KB DRAM failure
18H
2-3-2
Bit 9 1st
64 KB DRAM failure 19H
2-3-3
Bit A 1st
64 KB DRAM failure 1AH
2-3-4 Bit B 1st
64 KB DRAM failure lBH
2-4-1
Bit C 1st
64 KB DRAM failure 1CH
2-4-2
Bit D 1st 64 KB DRAM failure 1DH
2-4-3 Bit E 1st 64 KB DFAi\1 failure 1EH
2-4-4
Bit F 1st 64 KB DRAM failure
iFH
3-1-1
Slave
DMA register failure 20H
3-1-2 Master DMA register~ ~ilure
21H
3-1-3 Master interrupt mask register failure 22H
3-1-4 Slave interrupt mask register failure 23H
3-2-4 Keyboard/mouse controller test failure
27H
Table 2-4. Non-Fatal Beep Codes
Beep Port
Code
Error
80H
3-3-4
Screen memory test failure 2BH
3-4-1
Screen initialization failure 2CH
3-4-2
Screen retrace test failure
2DH
DECpc 433 Workstation Service Guide
2-13

DEC DECpc 433 Specifications

General

Brand	DEC
Model	DECpc 433
Category	Desktop
Language	English