System information

2-4
AlphaServer 800 Service Guide
Table 2-1 Interpreting Error Beep Codes (continued)
Beep
Code Problem Corrective Action
1-2-4 Backup cache error. Replace the CPU daughter board
(Chapter 7).
The system can be operated with
the B-cache disabled until a
replacement CPU daughter board is
available. Bank 1 of the J1 jumper
on the CPU daughter board is used
to disable the B-cache. Refer to
Appendix A.
1-3-3 No usable memory detected. Verify that the memory modules are
properly seated and try powering up
again.
Swap memory with known good
memory and power up.
If populating with known good
memory does not solve the
problem, replace the CPU daughter
board (Chapter 7).
If replacing the CPU daughter board
does not solve the problem, replace
the motherboard (Chapter 7).
3-3-1 Generic system failure. Possible
problem sources include the
TOY NVRAM chip (Dallas
DS1287A) or PCI-to-EISA
bridge chipset (Intel 82375EB).
Replace the TOY NVRAM chip
(E78) on system motherboard
(Chapter 7).
If replacing the TOY NVRAM chip
does not solve the problem, replace
the motherboard (Chapter 7).
3-3-3 Failure of the native SCSI
controller (Qlogic) on the system
motherboard.
Replace the motherboard
(Chapter 7).