Download Adaptec 1450 Specifications

Baseboard Connectors
Table A-27 (continued)
Pin Signal
Server Monitor Module Connector Pinout
Type
Description-Implementation
18
Reserved
Reserved pin: NC on baseboard
19
Reserved
Reserved pin: NC on baseboard
20
GROUND
21
Reserved
Reserved pin: NC on baseboard
22
Reserved
Reserved pin: NC on baseboard
23
Reserved
Reserved pin: NC on baseboard
24
Reserved
Reserved pin: NC on baseboard
25
Key
No connect on baseboard
26
Reserved
Reserved pin: NC on baseboard
Ground Ground
SM Bus Connector (J9E4)
This connector allows connection to the Memory Module I2C bus on which the DIMMs
EEPROMs reside. A shorted I2C connection at the SM Bus I2C connector will prevent the
system BIOS from sizing and configuring main memory. Table A-28 shows the cable
pinout assignments for the SM bus connector.
Table A-28
SM Bus Connector (J9E4)
Pin
Signal
Description
1
Local I2C SDA
OSB4 SM bus data line
2
GROUND
3
Local I2C SCL
OSB4 SM bus data line
ICMB Connector (J1D2)
The external Intelligent Chassis Management Bus (ICMB) provides external access to
ICMB devices that are within the chassis. For example, you can externally access chassis
management functions, alert logs, and post-mortem data. The ICMB connector also
007-4276-001
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