Antec SLK3800B user manual Connecting the USB Ports, Signal names, Installing 5.25 Devices

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7.LED I, LED II connectors: This case comes with two extra LEDs, marked LED I, LED II. You may use these LED for various purchases such as SCSI LED, Message LED, etc.

Connecting the USB Ports

You will find a single 10-pin connector on a cable attached to the front USB ports. This is an Intel standard connector, which is keyed so that it can't be accidentally reversed (as long as it's connected to an Intel-standard mother- board header). Connect the 10-pin connector to your motherboard headers so that the blocked pin fits over the missing header pin.

Note: Please check your motherboard manual for your USB header pin layout and make sure it matches the attached table. If it does not match this Intel standard, please call Antec customer service at (800) 22ANTEC (North America) or +31 0 (10) 462-2060 (Europe) to buy a USB adapter. This adapter will allow you to connect the front USB to your motherboard on a pin-by-pin basis.

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Motherboard Pin Layout

Pin	Signal names	Pin	Signal names
1	USB Power 1	2	USB Power 2
3	Negative Signal 1	4	Negative Signal 2
5	Positive Signal 1	6	Positive Signal 2
7	Ground 1	8	Ground 2
9	Key (No Connection)	10	Empty Pin

Installing 5.25" Devices

Your new case features four 5.25" drive bays. Each is covered by a ventilated metal cover and an EMI Contact plate as one contiguous assembly. To make installation easier and quicker, we've prepared the top drive bay without the metal plate. If you'd like to install a 5.25" drive in another bay:

1.Find the EMI Contact plate covering the lower half of your chosen drive bay. Then bend it 90 degrees inwards to form a drive support. (See Photo 1).

2.Carefully twist the assembly that covers the upper half of your chosen drive bay back and forth. When it breaks off, remove it.

Note: Please watch your fingers. Where you removed the assembly, you're likely to find sharp metal. If you don't plan to use certain drive bays,

leave the metal cover assemblies in place. And if you later decide to cover drive bays again, we've included two EMI cover plates in the toolbox.

3.Mount two drive rails to the sides of your 5.25" device.

4.Slide the device into the drive bay until you hear a click.

5.To install more drives, simply repeat the same procedure.

6.Connect a large 4-pin connector from the power supply to the male 4-pin connector on each device.

7.When you're done, carefully push the plastic drive bay covers off the bezel. Then re-attach the bezel to the case.

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