The HP 2133 Mini-Note PC. Itâs a small wonder, with big possibilities. Ideal for instructional use or general-purpose business applications, the HP Compaq 2133 Mini-Note PC might be small in size (2.6 lb), and only 1.05 inches thin, but itâs big on usability, durability, and sleekness. Packed with an impressive combination of features, the HP Compaq 2133 Mini-Note PC offers you a full-function PC with the utmost mobility. This compact powerhouse features the Windows Vista Home Basic operating system, a VIA C7-M 1.2GHz ULV processor, 1024MB of DDR2 667MHz SDRAM memory, and a 120GB 5400RPM hard drive.