Intel® Server Platform SR6850HW4 TPS | SCSI Backplane Board | |||||
|
|
|
|
|
|
|
|
| Signal | Type | Driver | Name and Description |
|
|
| PWR_TIMER | O | Analog | Power timer. Starts one second timer for FET reset. |
|
|
|
|
|
|
|
|
|
| TMR_DONE | I | Analog | Timer done. One second reset timer complete. |
|
|
|
|
|
|
|
|
| Control | I | Analog | Fan is present on system |
| |
|
|
| ||||
|
|
|
|
|
|
|
|
| I | Analog | LED signal when fan was off line |
| |
|
|
|
|
|
|
|
| Fan | I | Analog | Fan speed |
| |
|
|
|
|
|
| |
7.4Electrical, Environmental, and Mechanical Specifications
This section specifies the operational parameters and physical characteristics for the Server Platform SR6850HW4 SCSI Backplane Board. Further topics in this section specify normal operating conditions, mechanical specifications and connector interfaces to the board.
7.4.1Electrical Specifications
The power budget for the SCSI Backplane Board and pinouts of the external interface connectors are defined in the following table.
Table 49. Electrical Specifications
| Feature | Absolute Maximum Rating |
Voltage of any signal with respect to ground | ||
+3.3Vstby supply with respect to ground | ||
+3 .3V supply with respect to ground | ||
|
| |
+5V supply with respect to ground | ||
|
| |
+12V supply with respect to ground | ||
|
|
|
Note: | 1. Vcc refers to the supply voltage for the device. | |
7.4.1.1Power Consumption
Table 50 shows the power consumed on each supply line for the SCSI Backplane Board.
Table 50. Maximum Power Consumption
Devices | Power | Ext/Int |
| Dissipation |
|
12V | 180W | Ext |
|
|
|
5V | 100W | Int |
|
|
|
3.3V | 0.5W | Int |
|
|
|
3.3Vstby | 0.5W | Ext |
1.8V | 0.2W | Int |
|
|
|
Note: | The numbers in the table are provided only to show design limits. Power consumption will | ||
vary, depending on the exact configuration. | |||
|
|
|
|
Revision 1.0 | 83 |
| |
| Intel order number | ||