Quote:
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Originally Posted by lousai Guy:
I need some advise on the sequence of on/off swiych, reset, HDD led at the Power LED Light, as i am changing casing now, have no idea which one to connect to..
Many Thanks |
Lousia,

Hopefully, you haven't disconnected the LEDs from your old case. If you haven't

, the easiest way would be to duplicate in the new case they way you have them in the old. But if you've already moved passed this point

, or want a more detailed answer

, read on...
First off, lets discuss the LEDs (the wires and their connectors). Your new case (assuming it is a NEW case and not a used or hand-me-down) should have an instruction manual that lists the LEDs and how to connect them properly.
Although cases do not always have the same LEDs or will have more or less than another, the major ones will be the same.
If the LEDs from the case are not labeled, you can trace them back to the cases front panel to determine their source (description of each is listed below).
As for your mobo... If you don't have a case manual or your case is used, the cases LEDs themselves should be marked as to what they are for (Speaker, PowerSW, etc). If they are, use them to reference them to the same LEDs from your old (IBM?) case, and/or the pins on your mobo.
Note the wire orientation...Dark colored wires usually attach to the positive leads, and white wires usually attach to the negative leads (excerpt from my ASUS manual). If you have them crossed, you won't blow your mobo up, the LED just will not light. In this case just switch the connector orientation, and it should work.
As for LED connector labels... Normal LEDs are as follows:
SPEAKER = connects to the case speaker (you need this to hear the BIOS startup beeps in case you have booting issues).
POWER SW (or ATX POWER SW) = connects to the cases power (ON) switch.
RESET SW = connects to the cases RESET switch.
POWER LED = connects to the green case light.
H.D.D. LED = H.D.D. means the (main) hard drive. Connects to the red case light. Blinks when the drive is accessed.
These are the main LEDs, and the ones that should be connected. Realistically, unless the mobo has any default features that would necessitate having more than the power up LED connected, that is the only one you really need to have connected (POWER SW).
Depending on how fancy of a case you have will determine whether you have any others. If you do have additional LEDs, it's not important that they be connected unless you will be using those (advanced) features. Such advanced feature LEDs may be:
MSG LED = if connected, usually blinks when pc is in standby mode.
KEYBOARD LOCK = Allows for locking the keyboard via the systems BIOS.
SMI LEAD = Stand for "System Management Interrupt Lead". Used in some Pre-configured PCs for tampering protection.
Hope this info helps...JEBBEJ