Compaq Presario 425

The Compaq Presario 425 was a compact all-in-one home PC combining a colour monitor, 486-class processor, hard disk and floppy drive in a rounded desktop enclosure.

It introduced the Presario name and reflected Compaq’s expansion from premium business machines into accessible multimedia-oriented family computers.

Notable Features

• Integrated colour monitor and system unit
• Early Presario consumer styling
• 486-class PC compatibility in an all-in-one enclosure

Historical Significance

• It introduced the Presario name and reflected Compaq’s expansion from premium business machines into accessible multimedia-oriented family computers.

Collector’s Notes

• The integrated CRT makes servicing and shipping more involved; original restore software and matching keyboard add historical value.
• Memory, storage, displays and expansion hardware should be documented because configurations often changed during a system’s working life.

Specifications

Technical Information
Name	Compaq Presario 425
Manufacturer	Compaq
Launched	Tuesday, June 1, 1993
Country	United States
CPU	Intel 80486SX
Units Sold
Form Factor	All-in-one desktop
Power	Mains AC
Networking	Optional modem or network adapter
Operating System	MS-DOS and Microsoft Windows
Expansion / I/O	Serial, parallel, PS/2 and internal ISA expansion
Keyboard	Detachable PS/2-style keyboard
Storage	1.44 MB floppy and internal IDE hard disk
Sound	PC speaker; optional multimedia audio
Colours	Colour
Graphics	VGA / Super VGA
Display	Built-in 14-inch colour CRT
ROM	Compaq BIOS
RAM	4 MB standard; expandable
CPU Speed	25 MHz