Table A-3. Boot Options Submenu Categories

Table A-3. Boot Options Submenu Categories (continued)

Category	Function

Fourth Boot Device	Determines which device the system tries to
	boot from if it cannot boot from the devices
	selected for First Boot Device, Second Boot
	Device, and Third Boot Device. Options for
	this category are the same as for the First Boot
	Device.

System Cache	Enables or disables the secondary cache
	memory.

System Speed	Specifies the processor speed at which your
	system boots and runs. Options for this cate-
	gory are Fast (for the microprocessor’s rated
	speed) and Compatible, which helps accommo-
	date speed-sensitive application programs by
	disabling all cache memory.

Num Lock	Determines whether keyboard’s Num Lock
	mode is activated at boot.

Floppy Access	Determines whether your system can write
	data to a diskette inserted in a diskette drive.
	Options are Read/Write and Read Only.

Setup Prompt	Enables (the default) or disables the prompt to
	enter the system setup program during the boot
	routine.

Hard Disk Pre-Delay	Enables or disables (the default) a delay before
	the BIOS accesses a hard-disk drive to avoid
	accessing the drive before it has been initial-
	ized. Only older hard-disk drives may need this
	delay.

Typematic Rate	Controls the amount of time a key must be
Programming	pressed before the key-repeat function starts
	and how many characters per second are output
	once the key-repeat function has started.

A-6 Dell Dimension XPS H233 and XPS H266 Systems Service Manual

XPS H233, XPS H266 specifications

The Dell XPS series has long been synonymous with premium laptops and high-performance computing. Among their notable offerings are the XPS H266 and XPS H233 models, which embody cutting-edge technology and thoughtful design.

The XPS H266 comes equipped with a vibrant 15.6-inch InfinityEdge display that provides an immersive visual experience with stunning clarity and a near-borderless design. This model includes options for 4K Ultra HD resolution, which elevates the viewing experience for users who require exceptional graphics and detail, whether for gaming, video editing, or content creation. The display also features touch capability, adding versatility for users who prefer an interactive experience.

Under the hood, the XPS H266 leverages the latest Intel Core processors, providing robust power and impressive performance in multitasking scenarios. Coupled with high-speed SSD storage and ample RAM options, this laptop is designed to handle demanding applications with ease. Additionally, the thermal management system ensures that the device remains cool and operational even during extended use.

On the other hand, the XPS H233 model offers a more compact alternative with a 13.3-inch display. This model retains the InfinityEdge technology, maintaining a sleek profile ideal for portability without compromising visual quality. The H233 is also powered by the latest Intel Core processors, allowing efficient power consumption and performance. Its lightweight design makes it suitable for on-the-go professionals and students who need a reliable device that fits comfortably in a bag.

Both models incorporate advanced connectivity options, including Thunderbolt and USB-C ports for fast data transfer and versatile charging solutions. They feature Wi-Fi 6 capabilities, ensuring users experience faster connectivity and improved performance in crowded environments. Security features, such as a fingerprint reader and IR camera for Windows Hello, provide peace of mind for users concerned about their data safety.

In terms of battery life, both the XPS H266 and XPS H233 are optimized for long usage periods, enabling users to work or play without the constant worry of needing to recharge.

Overall, the Dell XPS H266 and H233 models represent a blend of innovative technology, stylish design, and unparalleled performance, catering to a diverse audience from professionals to entertainment enthusiasts. With features that address the needs of today’s users, these laptops continue to uphold the esteemed reputation of the XPS lineup.