Board Layout And Connector Information; Card Layout For The Serveraid M5014/M5015 Raid Controllers - IBM ServeRAID M5014 User Manual

3.1.1

Board Layout and Connector Information

3-2
This subsection provides the board layout and connector information for
the controllers. The following subsections provide graphics and
connector information for the controller.
The controller has eight internal SAS/SATA connectors. The following
figure displays the connectors on the controller, while are described on
Table 3.1.
Figure 3.1 Card Layout for the ServeRAID M5014/M5015 RAID
Controllers
Table 3.1 ServeRAID M5014 and ServeRAID M5015 Controllers
Connectors
Connector Description
JT1 Write-pending
Indicator (dirty
cache) LED
connector
JT2 SAS Activity LED
header
JT3 Battery Backup Unit
(BBU) connector
JT4 Global Drive Fault
LED header
ServeRAID M5014/M5015 SAS/SATA Controller Characteristics
Type Comments
2-pin Connects to an LED that indicates
connector when the data in the cache has yet
to be written to the storage
devices. Used when the write-back
feature is enabled.
2-pin Connects to an LED that indicates
connector drive activity.
20-pin Connects the BBU unit directly to
connector the controller.
2-pin Connects to an LED that indicates
connector whether a drive is in a fault
condition.