Avago Technologies 3ware SAS 9750-16i4e - Manual (Page 42)

Chapter 3. Specifications
38 LSI 3ware 9750 SATA+SAS RAID Controller Card Installation Guide
See Table 11 for a list of jumpers and connectors on the 9750-24i4e
RAID Controller Card. See Figure 6 for the 9750-24i4e controller
card layout.
Table 11: Jumpers and Connectors for 9750-24i4e
Jumper/
Connector
Type Description
J1A2 Reserved for
LSI use. 4-pin connector.
Reserved for LSI use.
J1B1 LED fault
indication
connectors
for internal
drive ports
(Ports 16
through 23) 2x8-pin connector.
There is one LED connector for each
internal drive port. When lit the LED
indicates the corresponding drive has
failed or is in the unconfigured-bad state.
The LEDs function only in a direct-attach
configuration.
Drive attach is defined as a maximum of
one drive connected directly to each port
with no SAS expander.
J1B2 4 Lane
SATA+SAS
connector
(Ports 24-27)
SFF-8088 x4 external mini SAS
connector.
Connects the controller by cable to SAS
drives or SATA drives, or a SAS
expander.
J1B3 RAID key
connector 2-pin connector.
Enables support for RAID 5
configurations.
Jumper should not be present during
normal operation.