Ethernet Connector; Internal Sca-2 Hdd Connector - Intel SRKA4 - Server Platform - 0 MB RAM Product Manual

Ethernet Connector

The system supports one Intel
Table 14. Ethernet Connector
Pin Signal
1 TX+
2 TX-
3 RX+
4 NIC termination
5 NIC termination
6 RX-
7 NIC termination
8 NIC termination
9 Speed LED signal
10 +3.3V standby (for LED)
11 Activity LED signal
12 +3.3V standby (for LED)
13 GND
14 GND

Internal SCA-2 HDD Connector

An SCA-2 connector is used on the primary side of the HDD backplane. The pin-out is the same
as SCA-1.
Table 15. Internal SCA-2 HDD Connector
Pin Signal
1 12 V Charge
2 12 V
3 12 V
4 12 V
5 Reserved/ESI-1
6 Reserved/ESI-2
7 -DB(11)
8 -DB(10)
9 -DB(9)
10 -DB(8)
11 -I/O
12 -REQ
13 -C/D
14 -SEL
84
®
82557 based on board Ethernet connection.
Connector
Contact Pin
(L) 41
(S) 42
(S) 43
(S) 44
(S) 45
(S) 46
(S) 47
(S) 48
(S) 49
(S) 50
(S) 51
(S) 52
(S) 53
(S) 54
Signal
12 V Ground
12 V Ground
12 V Ground
Mated 1
-EFW
DIFFSNS
+DB(11)
+DB(10)
+DB(9)
+DB(8)
+I/O
+REQ
+C/D
+SEL
SRKA4/ISP4400 Server System Product Guide
Connector
Contact
(L)
(L)
(L)
(S)
(L)
(L)
(S)
(S)
(S)
(S)
(S)
(S)
(S)
(S)
continued