Signal Description
58 Datasheet
2.4 Serial ATA Interface
Table 2-4. Serial ATA Interface Signals (Sheet 1 of 3)
Name Type Description
SATA0TXP
SATA0TXN
O
Serial ATA 0 Differential Transmit Pairs: These are outbound
high-speed differential signals to Port 0.
In compatible mode, SATA Port 0 is the primary master of SATA
Controller 1.
Supports up to 6 Gb/s, 3 Gb/s, and 1.5 Gb/s.
SATA0RXP
SATA0RXN
I
Serial ATA 0 Differential Receive Pair: These are inbound high-
speed differential signals from Port 0.
In compatible mode, SATA Port 0 is the primary master of SATA
Controller 1.
Supports up to 6 Gb/s, 3 Gb/s, and 1.5 Gb/s.
SATA1TXP
SATA1TXN
O
Serial ATA 1 Differential Transmit Pair: These are outbound
high-speed differential signals to Port 1.
In compatible mode, SATA Port 1 is the secondary master of SATA
Controller 1.
Supports up to 6 Gb/s, 3 Gb/s, and 1.5 Gb/s.
SATA1RXP
SATA1RXN
I
Serial ATA 1 Differential Receive Pair: These are inbound high-
speed differential signals from Port 1.
In compatible mode, SATA Port 1 is the secondary master of SATA
Controller 1.
Supports up to 6 Gb/s, 3 Gb/s, and 1.5 Gb/s.
SATA2TXP
SATA2TXN
O
Serial ATA 2 Differential Transmit Pair: These are outbound
high-speed differential signals to Port 2.
In compatible mode, SATA Port 2 is the primary slave of SATA
Controller 1.
Supports up to 3 Gb/s and 1.5 Gb/s.
NOTE: SATA Port 2 may not be available in all PCH SKUs.
SATA2RXP
SATA2RXN
I
Serial ATA 2 Differential Receive Pair: These are inbound high-
speed differential signals from Port 2.
In compatible mode, SATA Port 2 is the primary slave of SATA
Controller 1
Supports up to 3 Gb/s and 1.5 Gb/s.
NOTE: SATA Port 2 may not be available in all PCH SKUs.
SATA3TXP
SATA3TXN
O
Serial ATA 3 Differential Transmit Pair: These are outbound
high-speed differential signals to Port 3
In compatible mode, SATA Port 3 is the secondary slave of SATA
Controller 1
Supports up to 3 Gb/s and 1.5 Gb/s.
NOTE: SATA Port 3 may not be available in all PCH SKUs.
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