Mouse Port enables or disables the computer's integrated Personal System/2 (PS/2)-compatible mouse port. Disabling the mouse allows an expansion card to use interrupt request (IRQ)12.This setting is used to control the use of this legacy device.

Serial Port 1 and Serial Port 2 configure the computer's integrated serial connectors. You can set these options to Auto (the default) to automatically configure a connector, to a particular designation (COM1 or COM3 for Serial Port 1; COM2 or COM4 for Serial Port 2), or to Off to control the use of this legacy device or to disable the connector.

If you set a serial connector to Auto and add an expansion card containing a connector configured to the same designation, the computer automatically remaps the integrated port to the next available connector designation that shares the same IRQ setting as follows:

COM1 (input/output [I/O] address 3F8h), which shares IRQ4 with COM3, is remapped to COM3 (I/O address 3E8h).

COM2 (I/O address 2F8h), which shares IRQ3 with COM4, is remapped to COM4 (I/O address 2E8h).

NOTE: When two COM connectors share an IRQ setting, you can use either connector as necessary, but you may not be able to use them both at the same time. If you are running the Microsoft® Windows® 95 or IBM® OS/2® operating system, you cannot use both serial connectors at the same time. If the second connector (COM3 or COM4) is also in use, the integrated connector is turned off.

Parallel Port configures the computer's integrated parallel connector. Press <Enter> to configure the Parallel Port options explained in the following subsections.

Mode: You can set this option to PS/2, EPP, ECP, AT, or Off to control the use of this legacy device or to disable the connector. Set this option according to the type of device connected to the parallel connector. To determine the correct mode to use, see the documentation that came with the device.

I/O Address: This option determines the I/O address used by the parallel connector and appears except when Mode is set to Off. You can set I/O Address to 378h (the default), 278h, or 3BCh.

NOTE: You cannot set the parallel connector to 3BCh if Mode is set to EPP.

Advanced Features

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Dell GX240 manual Advanced Features

GX240 specifications

The Dell GX240, a robust desktop computer released in the early 2000s, exemplifies the breed of machines engineered for business and productivity environments. Targeting corporate users, the GX240 was part of Dell’s OptiPlex series, known for its reliability, support, and manageability.

One of the main features of the Dell GX240 is its Intel Pentium 4 processor, which provided a significant performance boost at the time of its release. This processor was available in various speeds, enabling users to select the model that best met their processing needs. The GX240 also offered ample memory options, supporting up to 2GB of SDRAM, which was considerable for its era, allowing for smoother multitasking and application performance.

The design of the GX240 was practical, featuring a compact, space-saving chassis ideal for office environments. It was designed for easy serviceability, with tool-less access to components, facilitating quick upgrades or repairs. The system was equipped with various configurations, enabling customers to customize it with multiple hard drive options, typically using IDE drives, which provided sufficient storage for everyday tasks.

The desktop utilized a variety of expansion slots, including AGP for graphics cards and PCI slots for additional peripherals. This expandability was crucial for businesses needing to adapt or enhance their systems over time. Integrated Intel graphics were standard, but users could opt for dedicated graphics cards to meet more demanding graphical needs.

Connectivity was also a strong point for the GX240, featuring multiple USB 2.0 ports, a serial port, and audio input/output capabilities. These ports allowed for seamless integration with various peripherals and devices, essential for a productive work environment. The GX240 also supported network connectivity through a built-in Ethernet controller, making it well-suited for office use, especially in networked environments.

In terms of software, the GX240 was usually shipped with Microsoft Windows XP, ensuring users had access to a stable and user-friendly operating system. This operating system not only provided compatibility with a wide range of applications but also enhanced the overall user experience.

In conclusion, the Dell GX240 was a solid desktop choice for businesses in the early 2000s, combining performance, upgradability, and a compact design. Its Intel Pentium 4 processor and ample memory options made it suitable for various tasks, while its space-saving design and expansion capabilities allowed businesses to adapt the system to their evolving needs.