Figure 22. Sas/Sas Raid Mid-Plane Board; Table 19. 120-Pin Server Board-To-Mid-Plane Bridge Board Connector Pin-Out - Intel SR1500 - AXXMINIDIMM DDR-2 RAID Controller Cache Memory Manual

Intel® Server System SR2500AL
The chassis also supports an active SAS / SAS RAID mid-plane. This system board
incorporates an LSI* LSISAS1068 SAS controller onto the board. See Chapter 5 for details
describing SAS / SAS RAID support. The following diagram shows the location for each
connector found on this board.
A
Optional RAID Cache Battery
A
Backup Connection
B Power Connector
C Mini-DIMM Connector
D Fan 6 Connector
E Fan 5 Connector
F Bridge Board Connector
The following tables define the connector pin-outs for both mid-plane boards.

Table 19. 120-pin Server Board-to-Mid-plane Bridge Board Connector Pin-out

PIN SIGNAL NAME
1 GND
2 PE1_ESB_TX_DN3
3 PE1_ESB_TX_DP3
4 GND
5 PE_WAKE_N
6 GND
7 PE1_ESB_TX_DN2
8 PE1_ESB_TX_DP2
9 GND
10 FAN_PRSNT5_N
11 GND
Revision – 1.6
C
B
D
E
L

Figure 22. SAS/SAS RAID Mid-plane Board

Intel order number D31980-009
4BSystem Board Interconnects
F
G
H
I
J
K
G Fan 4 Connector
H Fan 3 Connector
I Fan 1 Connector
J Fan 2 Connector
RAID Activation Key
K
Connector
L Backplane Connector
PIN SIGNAL NAME
61 SMB_SENSOR_3V3SB_CLK_BUF
62 SMB_SENSOR_3V3SB_DAT_BUF
63 FM_BRIDGE_PRSNT_N
64 GND
65 PE1_ESB_RX_DN_C3
66 PE1_ESB_RX_DP_C3
67 GND
68 FAN_PRSNT6_N
69 GND
70 PE1_ESB_RX_DN_C2
71 PE1_ESB_RX_DP_C2
AF000046
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