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Peripheral Board
The peripheral board provides three main functions for the system:
• Passes the IDE signals between the main board and the DVD drive
• Provides the front panel interface for the system
• Provides I
2
C server management interface
Peripheral Board Functional Blocks
• IDE bus passes IDE signals between the IDE DVD and the main board
The 120-pin flex cable connector from main board provides IDE connectivity and auxiliary
signals
Single IDE channel pass-thru connection to IDE connector for support of an IDE peripheral
• Front panel functions
Two USB 1.1 connections
Power, Reset, SDINT and ID buttons
LEDs for power, both NIC channels, ID, system and drive failure
VGA connector providing video from main board controller
• Server management
I
2
C isolation to SCSI board
Temperature sensor
Peripheral Interface
The server connects to supported peripheral devices through interfaces located on the main board.
The ICH-4 on this board provides the following:
• Four USB 1.1 ports (two located in front and two located at the rear)
• Two serial ports, one internal port (10-pin header) and one port at the rear (serial RJ45)
• One PCI connection to onboard video (VGA ports located front and rear)
• One IDE channel for the CD/DVD
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