Can you count the beeps or flashes?
1 beep = no RAM installed
2 beeps = incompatible RAM types
3 beeps = no good banks
4 beeps = no good boot images in the boot ROM (and/or bad sys config block)
5 beeps = processor is not usable
In addition to the beeps, on some computers the power LED will flash a corresponding number of times plus one. The LED will repeat the sequence after approximately a 5-second pause. The tones are only played once.
Note: In this case, a flash is considered to be 1/4 second or 250 ms or greater in length.
The following table lists the new tones and their meaning:
1 tone, a 5-second pause, repeat No RAM installed
3 successive tones, a 5-second pause, 3 successive tones RAM does not pass data integrity check
1 long tone when holding down the power button Firmware upgrade in process. See About firmware updates for Intel-based Macs for more details.
3 long tones, 3 short tones, 3 long tones Firmware restoration from CD in process. See About the Firmware Restoration CD (Intel-based Macs) for more details.
Thanks for the quick replies guys.
I turned it on yesterday and used it for a full hour and it did not beep at all, so I'm not sure what to make of it. I had read the document that you had included and didn't think that the beeping I was experiencing followed any of those beeping patterns. When my computer has alarmed, it has beeped continuous without any prolonged pauses, but I was hoping to check it again and see if the power LED was flashing at all.
The graphics card that is installed is the original (not sure which one exactly), but I checked and there isn't a connection for an additional power connection.
I will post back when I have a chance to catch it in action.
So I just completed the replacement of the fans in the PSU (Vantec Thermoflow TF6025 as suggested by japamac) and I am amazed at how quiet it is now, amazing! Wish I had done that years ago.
More importantly though, the beeping returned. I was unable to count the beeps because they never stop. The power supply LED on the front doesn't flash either. I was trying to access an .avi file that is on a WD 2TB SATA drive that is connected to a Highpoint RocketRAID 2224 pci card.
I am not sure what the cause is then, the WD drive or the RocketRAID card. The drive came from a WD Mybook Live that was non-responsive, I assumed due to a failed network card. The drive mounts, though it seems slower that what I would expect.
Any suggestions? Does this narrow down the cause of the beeping at all? Has anyone had success with this Highpoint card? Thanks for people's input.
After doing some reading, it seems as though the alarm is likely coming from the Highpoint card. I'm guessing it is the alarm to indicate disk failure. This would support my feeling that the drive is much slower than I expect it to be.
Is Disk Utility my best option to see if this disk can be repaired, or is there a better option?
The RocketRAID card does have a speaker for audible alerts, and will beep when a disk or array has failed/is failing.
You're on track with the source of the sound, I would say.
Regarding the drive, a MyBook drive is typically a "green" drive; 5400 RPM type that spins down whenever possible to save energy.
If the drive is a green drive, I would say that the RocketRAID card just doesn't like it, and rightfuly so. Green drives aren't what one wants for a RAID array; they are slow.
Glad to hear that you like the new fan.
I have tried a few different PSU fans and like them all better than the OEM fans!