Collection of Vintage Compaq Computers

Contura Aero 4/33C

i486SX-S (SL enhanced 486SX) running at 33MHz
Display: Passive matrix color VGA (16 colors (640x480) high resolution, 256 colors (320x200) low resolution)
RAM: 4MB built-in (expandable to a maximum of 8 or 12MB using an optional 4 or 8MB Compaq branded module, or 20MB using a third party 16MB module)
256KB video memory (512KB exists in the system, but is not accessible by the GPU.)
84, 170 or 250MB 2.5" IDE hard disk drive
1 PCMCIA slot (Type II)
1 ECP/EPP 1.9 capable parallel port
1 RS-232 serial port (16550 UART)
1.7 x 10.25 x 7.5 inches (4.3 x 26 x 19 cm)
Integrated trackball