Connections Intel® Server Board SDS2
Revision 1.2
Order Number: A85874-002
76
8.3.1 ICMB Connector
The Intelligent Chassis Management Bus (ICMB) allows inter-chassis communications between
intelligent chassis. This makes it possible to externally access chassis management functions,
alert logs, port-mortem data, etc. Additional information about ICMB can be found in the
Intelligent Chassis Management Bus, Version 1.0.
Table 56. ICMB Connector Pin-out
Pin Signal Name Type Description
1 5VSB Power
2 ICMB_TX Signal Transmit signal
3 ICMB_EN Signal Enable signal
4 ICMB_RX Signal Receive signal
5 GND GND
8.3.2 OEM IPMB Connector
Table 57. IPMB Connector Pin-out
Pin Signal Name Description
1 IPMB_SDA 5 VSB Data Line
2 GND GND
3 IPMB_SCL 5 VSB Clock Line
8.3.3 SCSI HSBP (IPMB) Connector
The Intelligent Platform Management Bus (IPMB), as used on SDS2 Server Board allows for
connections to Hot Swap Back planes (HSBP) with multiple hard drives.
Table 58. HSBP-A Connector Pin-out
Pin Signal Name Description
1 IPMB_SDA 5 VSB Data Line
2 GND GND
3 IPMB_SCL 5 VSB Clock Line
4 I2C_ADR_CNTRL Address Control