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Chapter 1: Product introduction
7. Serial port connector (10-1 pin COM)
This connector is for a serial (COM) port. Connect the serial port module cable to this
connector, then install the module to a slot opening at the back of the system chassis.
The COM module is purchased separately.
B85M-E
B85M-E Serial port (COM) connector
PIN 1
COM
D
C
D
D
X
T
D
N
G
S
T
R
I
R
D
X
R
R
T
D
R
S
D
S
T
C
8. Intel
®
B85 Serial ATA 6.0Gb/s connector (7-pin SATA6G_1~4 [yellow])
This connector connects to Serial ATA 6.0 Gb/s hard disk drives via Serial ATA 6.0 Gb/s
signal cables.
• You must install Windows. XP Service Pack 3 or later version before using Serial ATA
hard disk drives.
• When using hot-plug and NCQ, set the SATA Mode Selection item in the BIOS to [AHCI].
See section 2.6.3 SATA Conguration for details.
B85M-E
B85M-E SATA 6.0Gb/s connector
GND
RSATA_TXP3
RSATA_TXN3
GND
RSATA_RXN3
RSATA_RXP3
GND
SATA6G_4SATA6G_3
GND
RSATA_RXP1
RSATA_RXN1
GND
RSATA_TXN1
RSATA_TXP1
GND
GND
RSATA_TXP4
RSATA_TXN4
GND
RSATA_RXN4
RSATA_RXP4
GND
SATA6G_2SATA6G_1
GND
RSATA_RXP2
RSATA_RXN2
GND
RSATA_TXN2
RSATA_TXP2
GND