4 connectors, M4a78lt-m le serial port (com1) connector, M4a78lt-m le sata connectors – Asus V7-M4A3000E User Manual
Page 47: Com1

3-5
ASUS V-series M4A3000E
3.4
Connectors
1. Serial port connectors (10-1 pin COM1)
The connector is for a serial (COM) port. Connect the serial port module
cable to the connector, then install the module to a slot opening at the back of
the system chassis.
The serial port bracket (COM1) is purchased separately.
2.. Serial ATA connectors (7-pin SATA1~6)
These connectors are for the Serial ATA signal cables for Serial ATA hard disk
drives.
PIN 1
COM1
M4A78LT-M LE
M4A78LT-M LE Serial port (COM1) connector
SATA4
GN
D
RSATA_RXN4
RSATA_RXP4
GN
D
RSATA_TXN4
RSATA_TXP4
GN
D
SATA6
GN
D
RSATA_RXN6
RSATA_RXP6
GN
D
RSATA_TXN6
RSATA_TXP6
GN
D
SATA1
GN
D
RSATA_RXN1
RSATA_RXP1
GN
D
RSATA_TXN1
RSATA_TXP1
GN
D
SATA3
GN
D
RSATA_RXN3
RSATA_RXP3
GN
D
RSATA_TXN3
RSATA_TXP3
GN
D
SATA5
GN
D
RSATA_RXN5
RSATA_RXP5
GN
D
RSATA_TXN5
RSATA_TXP5
GN
D
SATA2
GN
D
RSATA_RXN2
RSATA_RXP2
GN
D
RSATA_TXN2
RSATA_TXP2
GN
D
M4A78LT-M LE
M4A78LT-M LE SATA connectors