User`s guide

Intel® RAID Controller RS2SG244 Hardware User’s Guide 13
Figure 4. Hardware Block Diagram
J5A1 x4 SAS Ports 16-19
internal connector
SFF-8087 x4 internal mini SAS connector Con-
nects the controller by cable to SAS/SATA drives.
J5A2 Write pending LED
header
2-pin connector. Connects to an LED that indicates
when the data in the cache has yet to be written to
the storage devices. Used when the write-back fea-
ture is enabled.
J5B2 x4 SAS Ports 20-23
internal connector
SFF-8087 x4 internal mini SAS connector Con-
nects the controller by cable to SAS/SATA drives.
J5B3 Universal Asynchronous
Receiver/Transmitter
(UART) debugging
4-pin connector Reserved for factory use.
Jumper Type Description