Technical Product Specification

Intel® RAID Controller RS2BL080 and RS2MB044 Technical Product Specification Hardware
Revision 2.1
Intel order number E64388-004
11
Figure 7 Intel
®
RAID Controller RS2MB044 SAS/SATA Connectors
2.3.7.1 SAS / SATA Connector Pin-out
Signal names are with respect to the host. The device connected to the host reverses the signal
names. Transmit pins connect to receive pins on the other device. The SAS / SATA connector is
keyed at pin 1. These pin-outs for the serial ATA connector are not compatible with the legacy
PATA connector.
Table 1 SFF8087 Internal Connector with one SGPIO Connector Pin-out
Controller Connector Pin-out Backplane Connector Pin-out Port
SFF-8087 Pin # Pin Definition Pin # Pin Definition
A1 GND 7 GND Port 0
A2 RX0+ 6 TX+
A3 RX0- 5 TX-
B1 GND 4 GND
B2 TX0+ 2 RX+
B3 TX0- 3 RX-
B4 GND 1 GND
A4 GND 7 GND Port 1
A5 RX1+ 6 TX+
A6 RX1- 5 TX-
A7 GND 4 GND
B5 TX1+ 2 RX+
B6 TX1- 3 RX-
B7 GND 1 GND
B8 SB0/SCLK/SCL 1 SCLK SGPIO