Intel®
Server System SR1625UR TPS
System Board Interconnects
Revision 1.5
Intel order number E47487-007
33
The system also supports an active SAS/SAS RAID midplane. This system board incorporates
an LSI LSISAS1078 SAS controller onto the board. For information about SAS/SAS RAID
support, see Chapter 6. The following figure shows the location for each connector found on
this board.
A
Optional RAID Cache Battery
Backup Connection
G
Fan 4 Connector
B
Power Connector
H
Fan 3 Connector
C
Mini-DIMM Connector
I
Fan 1 Connector
D
Fan 6 Connector
J
Fan 2 Connector
E
Fan 5 Connector
K
RAID Activation Key
Connector
F
Bridge Board Connector
L
Backplane Connector
Figure 23. SAS/SAS RAID Midplane Board
The following tables define the connector pin-outs for both midplane boards:
Table 22. 120-pin Server Board-to-Midplane Bridge Board Connector Pin-out
Pin Signal Name
Pin Signal Name
1 GND
61 SMB_SENSOR_3V3SB_CLK_BUF
2 PE1_ESB_TX_DN3
62 SMB_SENSOR_3V3SB_DAT_BUF
3 PE1_ESB_TX_DP3
63 FM_BRIDGE_PRSNT_N
4 GND
64 GND
5 PE_WAKE_N
65 PE1_ESB_RX_DN_C3
6 GND
66 PE1_ESB_RX_DP_C3
7 PE1_ESB_TX_DN2
67 GND
8 PE1_ESB_TX_DP2
68 FAN_PRSNT6_N
