Asus Motherboard AP130-E1 - Manual (Page 40)

2-20 Chapter 2: Hardware information
1. Floppy disk drive connector (34-1 pin FLOPPY)
This connector supports the provided floppy drive ribbon cable. After
connecting one end to the motherboard, connect the other end to the
floppy drive. (Pin 5 is removed to prevent incorrect insertion when
using ribbon cables with pin 5 plug).
PSCH-L
®
PSCH-L Floppy Disk Drive Connector
NOTE: Orient the red markings on
the floppy ribbon cable to PIN 1.
PIN 1
FLOPPY
2. SMBus connector (6-1 pin EXTSMB1)
This connector allows you to connect SMBus (System Management
Bus) devices. Devices communicate with an SMBus host and/or other
SMBus devices using the SMBus interface.
PSCH-L
®
PSCH-L SMBus Connector
EXTSMB1
1
SMBCLK
Ground
SMBDA
T
A
+3V
FLOA
TING
2.7.2 Internal connectors