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Front Panel I/O and Control Boards Intel® Server Platform
SR6850HW4 TPS
Revision 1.0
Intel order number D23151-001
90
8.3.2 Front Panel VGA Connector
The Front Panel I/O Board provides a video port interface with a standard VGA-compatible, 15-
pin connector. Onboard video is supplied by the ATI Radeon 7000 component, with 16MB of on-
chip memory. The signal is mirrored between the Front Panel I/O Board and the rear panel of
the Server Board Set SE8500HW4 Mainboard. See Chapter 4 for pinouts.
Table 54. VGA Connector Signal Description
Signal Type
RED O
GREEN O
BLUE O
HSYNC O
RGB VGA
VSYNC O
VID_SCL O
I
2
C
VID_SDA I/O
V_PRES_L I
VIDPWR O
8.4 Electrical, Environmental, and Mechanical Specifications
This section specifies the board-level operational parameters and physical characteristics for
the Server Platform SR6850HW4 Front Panel I/O Board. Further topics in this section specify
normal operating conditions for the front panel, mechanical specifications, and connector
interfaces to the board.
8.4.1 Electrical Specifications
The power budget for the Front Panel I/O Board are defined in Table 55.
Table 55. Electrical Specifications
Feature Absolute Maximum Rating
Voltage of any signal with respect to ground -0.3V to Vcc
1
to Vcc
1
+0.3V
+5V supply with respect to ground -0.3V to +5.25V
Note: 1. Vcc means supply voltage for the device.