I2C Connector Pin-Out; Pci Interface; Led Headers; Table 5. I2C Connector Pin-Out - Intel RS2SG244 User Manual

I2C Connector Pin-Out

PCI Interface

The Intel
Express* slot that complies with the PCI Express Specification, Revision 2.0. The
controller is PCI Express* 1.0 compatible and is backward-compatible with x8 or larger
slots that are wired with x1, x2, and x4 PCI Express* lanes.

LED Headers

There are 3 2-pin right angled headers present on the board and these headers are used for
connection to external LED which indicate activity on any of the connected HDDs,
indicate fault on any of the connected HDDs and to indicate a pending write command.
20
Pin #
9
10
11
12
13
14
15
16
17
18
19
20

Table 5. I2C Connector Pin-Out

Pin Number
1
2
3
®
RAID Controller RS2SG244 must be installed into a standard x8 or larger PCI
Name
VBB_DDR_MEM DDR/DDRII Power
GND Ground
P3V3_STBY 3.3V auxiliary power
GND Ground
SCL I2C Clock
GND Ground
SDA I2C Data
PFAIL_L Power Fail
GND Ground
BBE Battery Backup Enabled
BBSTROBE Battery Backup Strobe
BBSTATUS Battery Backup Status
Description
SMB_SAS_SES_SDA
GND
SMB_SAS_SES_SCL
Intel® RAID Controller RS2SG244 Hardware User's Guide
Description