Sas Riser-Card Connectors And Leds - IBM System x3650 M3 4255 Service Manual

SAS riser-card connectors and LEDs

The following illustrations show the connectors and LEDs on the SAS riser cards.
Note: Error LEDs remain lit only while the server is connected to power.
A 12-drive-capable model server contains the riser card that is shown in the
following illustration.
USB hypervisor
connector
A tape-enabled model server contains the riser card that is shown in the following
illustration.
USB hypervisor
connector
24
IBM System x3650 M3 Types 4255, 7945, and 7949: Problem Determination and Service Guide
PCI Express SAS
controller connector
PCI Express SAS
controller connector
USB
tape
signal
SAS controller
error LED
SAS riser
card
SATA tape signal
Tape drive
power
SAS controller
error LED
SAS riser card
(tape-enabled model server)