Intel SR6850HW4 User Manual
Page 6

Table of Contents
Intel® Server Platform SR6850HW4 TPS
Revision
1.0
Intel order number D23151-001
vi
7.2.1
SCSI Buses ........................................................................................................... 73
7.2.2
SCSI Drive Power Control ..................................................................................... 73
7.2.3
SCSI Enclosure Management ............................................................................... 75
7.2.4
Server Management Interface ............................................................................... 76
7.2.5
Resets.................................................................................................................... 77
7.2.6
Connector Interlocks.............................................................................................. 77
7.2.7
Clock Generation ................................................................................................... 77
7.2.8
Programmed Devices ............................................................................................ 78
7.3
Signal Descriptions ................................................................................................ 78
7.3.1
Power from the Power Distribution Board.............................................................. 79
7.3.2
Front Panel Power Connector ............................................................................... 79
7.3.3
Front Panel I/O Board Ribbon Cable Connector ................................................... 79
7.3.4
LVD SCSI 68-pin Connector.................................................................................. 80
7.3.5
SCA2 80-pin Drive Connectors.............................................................................. 81
7.3.6
Fans....................................................................................................................... 82
7.3.7
Internal Logic Signals ............................................................................................ 82
7.4
Electrical, Environmental, and Mechanical Specifications..................................... 83
7.4.1
Electrical Specifications ......................................................................................... 83
8.
Front Panel I/O and Control Boards ................................................................................. 85
8.1
Introduction ............................................................................................................ 85
8.1.1
Block Diagram ....................................................................................................... 85
8.1.2
Architectural Overview........................................................................................... 86
8.1.3
Component Location.............................................................................................. 87
8.2
Functional Architecture .......................................................................................... 88
8.2.1
VGA ....................................................................................................................... 88
8.2.2
USB ....................................................................................................................... 88
8.2.3
NMI Button............................................................................................................. 88
8.3
Signal Descriptions ................................................................................................ 89
8.3.1
USB Connector...................................................................................................... 89
8.3.2
Front Panel VGA Connector .................................................................................. 90
8.4
Electrical, Environmental, and Mechanical Specifications..................................... 90
8.4.1
Electrical Specifications ......................................................................................... 90
8.4.2
Connector Specifications ....................................................................................... 91
8.4.3
Cooling Requirements ........................................................................................... 91
8.5
Front Panel Control Module................................................................................... 92