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8–2 Troubleshooting
Beep Codes
3. Replace the keyboard.
Note: If you have the network drivers installed, but do not have the AlphaPC
164UX connected to a network, there will be a noticable increase in the
time it takes for NT to start-up after the login. This is caused by the net-
work drivers having to wait for a time out.
8.2 Beep Codes
The beep codes provide error information about the AlphaPC 164UX system. Table
8–1 lists and describes the beep codes.
8.3 Post Codes
The post codes indicate the progress of the SROM and the ARCSBIOS firmware.
Table 8–2 lists and describes the post codes.
Table 8–1 Beep Codes
Beep Code Description
1 Very long beep No Fan. Shut down the system immediately.
1 Long, 1 short Cannot measure CPU speed.
1 Long, 2 short Invalid DIMM configuration
1 Long, 3 short Cached Memory Error
1 Long, 4 short Noncached Memory Error
1 Long, 5 short SROM had bad checksum
1 Long, 6 short PAL has bad checksum
1 Long, 7 short Error copying FLASH to memory.Failed noncached verify
1 Long, 8 short Error copying FLASH to memory.Failed refill from DIMM verify
1 Long, 9 short Error copying FLASH to memory.Failed refill from Bcache verify
2 Long, 1 short ARCSBIOS has bad checksum, will boot safe ARCSBIOS.
2 Long, 2 short Safe ARCSBIOS has bad checksum
3 Long No video
4 Long No keyboard
Continuous No Fan,shut down system immediately