Supermicro 440LX, Reference Manual

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Appendix A: BIOS Error Beep Codes
A-3
If it beeps... then ...
1, 2, 3 times reseat the memory SIMMs or DIPs. If the
system still beeps, replace the memory.
6 times reseat the keyboard controller chip. If it
still beeps, replace the keyboard
controller. If it still beeps, try a
different keyboard, or replace
the keyboard fuse, if the keyboard has one.
8 times there is a memory error on the
video adapter. Replace the video
adapter, or the RAM on the video
adapter.
9 times the BIOS ROM chip is bad.
The system probably needs a
new BIOS ROM chip.
11 times reseat the cache memory on the
motherboard. If it still beeps,
replace the cache memory.
4, 5, 7, the motherboard must be replaced.
or 10 times