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1.2
Sideband Backplane Management
The expander card adheres to the SGPIO specification to distribute SGPIO streams to SGPIO backplanes. The expander
card adheres to the standard SFF-TA-1005 Specification for Universal Backplane Management (UBM) to communicate
with UBM backplanes.
1.3
Expander Card Characteristics
The expander card is a 6.02 in. × 2.67 in. (153 mm × 67.7 mm) board. The following figure shows the connectors and LED
locations on the expander card.
C0
RAID/HBA
J8
Figure 1 Card Layout for the Thinksystem 36i 12Gb Internal Expander Card
The following table describes the headers and connectors on the expander card.
Table 2 Headers and Connectors
Connector Type
RAID/HBA Card connector
J4
Default serial boot ROM (SBR) header 2-pin connector. Reserved.
J8, J9
UART connectors
C0, C1, C2,
Interface connectors
C3
C4, C5
Interface connectors
POWER
Power
The following table describes the LED on the expander card.
Table 3 LED Designation
LED
Type
LED 1 Green system heartbeat
© Copyright Lenovo 2020
C1
J9
C5
Description
One x8 SFF-8654 Slimline internal connector.
The interface between the expander card and the host system.
4-pin connectors. Reserved.
Four x8 SFF-8654 Slimline internal connectors.
Connect the expander card by cable to the downstream targets.
Two x4 SFF-8654 Slimline internal connectors.
Connect the expander card by cable to the downstream targets.
Power connector.
Description
Indicates that the SAS35x48 ASIC is operating normally.
LED1
C2
C4
ThinkSystem 36i 12Gb Internal Expander Adapter Installation and User Guide
POWER
C3
5
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