ECS X58B-A3 SLI (V1.0) Bulk Specifications download pdf (Page 25)

Installing the Motherboard

COM: Onboard serial port header

Connect a serial port extension bracket to this header to add a second serial port to

your system.

1 DCDB Data carry detect

2 NSINB Serial Data In

3 NSOUTB Serial Data Out

4 DTRB Data terminal ready

5 GND Ground

6 DSRB Date set ready

7 RTSB Request to send

8 CTSB Clear to send

9 RI Ring Indicator

10 Key No pin

Pin Signal Name Function

F_1394A: Onboard IEEE 1394a header

Connect this header to any device with IEEE 1394a interface.

1 TPA+ 2 TPA-

3 GND 4 GND

5 TPB+ 6 TPB-

7 Cable-Power 8 Cable-Power

Pin Signal Name

9 KeyPin 10 GND

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 69 70

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ECS X58B-A3 SLI (V1.0) Bulk Specifications Page 25