Table of Contents Intel® Server System SR1550AL
Revision – 1.3
Intel order number D31982-006
vi
2.7.1 Output Power / Currents........................................................................................17
2.7.2 Voltage Regulation ................................................................................................17
2.8 Protection Circuits..................................................................................................18
2.8.1 Over-Current Protection (OCP)..............................................................................18
2.8.2 Over Voltage Protection (OVP)..............................................................................18
2.8.3 Over Temperature Protection (OTP)......................................................................18
2.9 Power Supply Status LED .....................................................................................18
3. Cooling Subsystem............................................................................................................18
3.1 Fan Module............................................................................................................18
3.2 Air Flow Support....................................................................................................18
3.2.1 Power Supply Zone ...............................................................................................18
3.2.2 Full Height Riser Zone...........................................................................................18
3.2.3 CPU / Memory / Low Profile PCI Zone ..................................................................18
3.3 Drive Bay Population.............................................................................................18
4. Platform Control.................................................................................................................18
4.1 Overview................................................................................................................18
5. System Board Interconnects.............................................................................................18
5.1 Mid-Plane...............................................................................................................18
5.2 Bridge Board..........................................................................................................18
5.3 Hot-Swap SATA/SAS Backplane...........................................................................18
6. Peripheral and Hard Drive Sub-System............................................................................18
6.1 Slimline IDE Optical Drive Bay ..............................................................................18
6.2 Hard Drive Bays.....................................................................................................18
6.2.1 Hot-swap Drive Trays ............................................................................................18
6.3 Mid-Plane Options.................................................................................................18
6.3.1 Passive Mid-Plane.................................................................................................18
6.3.2 Active Mid-plane with Intel
®
SAS /SAS RAID Support...........................................18
6.4 Hot-Swap SAS/SATA Backplane...........................................................................18
6.4.1 SAS/SATA Backplane Layout................................................................................18
6.4.2 SAS/SATA Backplane Functional Architecture......................................................18
7. Mini Control Panel..............................................................................................................18
7.1 Mini Control Panel Buttons ....................................................................................18
7.2 Mini Control Panel LED Indicators.........................................................................18
7.2.1 Power / Sleep LED ................................................................................................18
7.2.2 System Status LED................................................................................................18
7.2.3 System Identification LED......................................................................................18
7.3 External Mini Control Panel Connectors................................................................18
7.4 Internal Mini Control Panel Interconnects..............................................................18