Intel D925XECV2 Product Specification - Page 29

I/O Controller

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Product Description # INTEGRATOR'S NOTES When using this connector, observe the following precautions: • Do not use a Y-adapter, power splitter, or SATA power adapter to attach storage devices (such as hard disk drives or CD/DVD drives) to this connector. This connector will not provide adequate power for storage devices. • Do not connect any devices to this connector that draw more than 1.5 A. The connector circuitry includes overcurrent protection components that limit the current draw to a maximum of 1.5 A. For information about The location of the auxiliary power output connector The signal names of the auxiliary power output connector Refer to Figure 21, page 68 Table 28, page 73 NOTE The auxiliary power output connector is present only on the D925XECV2 board. It is not present on the D925XEBC2 board. 1.10 I/O Controller The I/O controller provides the following features: • One serial port • One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port (EPP) support • Serial IRQ interface compatible with serialized IRQ support for PCI Conventional bus systems • PS/2-style mouse and keyboard interfaces • Interface for one 1.44 MB or 2.88 MB diskette drive • Intelligent power management, including a programmable wake-up event interface • PCI Conventional bus power management support The BIOS Setup program provides configuration options for the I/O controller. 1.10.1 Serial Port The boards have one serial port connector located on the back panel. The serial port supports data transfers at speeds up to 115.2 kbits/sec with BIOS support. For information about The location of the serial port A connector Refer to Figure 20, page 66 1.10.2 Parallel Port The 25-pin D-Sub parallel port connector is located on the back panel. Use the BIOS Setup program to set the parallel port mode. For information about The location of the parallel port connector Refer to Figure 20, page 66 29

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Product Description
29
INTEGRATOR’S NOTES
When using this connector, observe the following precautions:
•
Do not use a Y-adapter, power splitter, or SATA power adapter to attach storage devices (such
as hard disk drives or CD/DVD drives) to this connector.
This connector will not provide
adequate power for storage devices.
•
Do not connect any devices to this connector that draw more than 1.5 A.
The connector
circuitry includes overcurrent protection components that limit the current draw to a maximum
of 1.5 A.
For information about
Refer to
The location of the auxiliary power output connector
Figure 21, page 68
The signal names of the auxiliary power output connector
Table 28, page 73
±
NOTE
The auxiliary power output connector is present only on the D925XECV2 board.
It is not present
on the D925XEBC2 board.
1.10 I/O Controller
The I/O controller provides the following features:
•
One serial port
•
One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port
(EPP) support
•
Serial IRQ interface compatible with serialized IRQ support for PCI Conventional bus systems
•
PS/2-style mouse and keyboard interfaces
•
Interface for one 1.44 MB or 2.88 MB diskette drive
•
Intelligent power management, including a programmable wake-up event interface
•
PCI Conventional bus power management support
The BIOS Setup program provides configuration options for the I/O controller.
1.10.1
Serial Port
The boards have one serial port connector located on the back panel.
The serial port supports data
transfers at speeds up to 115.2 kbits/sec with BIOS support.
For information about
Refer to
The location of the serial port A connector
Figure 20, page 66
1.10.2
Parallel Port
The 25-pin D-Sub parallel port connector is located on the back panel.
Use the BIOS Setup
program to set the parallel port mode.
For information about
Refer to
The location of the parallel port connector
Figure 20, page 66