Compaq Deskpro 2000 Series Reference Manual page 8

1-2 Computer at a Glance
Peripheral Components Interconnect (PCI) chipset used for
PCI/ISA, memory, USB ports, and peripheral control
Super I/O controller (integrates a serial port, parallel port,
diskette drive interface, real-time clock, CMOS RAM, and
mouse and keyboard controller)
PCI and ISA peripheral connectors on the expansion riser
board
BIOS in a flash memory device supporting PCI auto-
configuration
Desktop chassis includes expansion slots for up to five
expansion boards:
Two dedicated half-length PCI slots
Two dedicated ISA-bus slots (one half-length and one
full-length)
One full-length "combination" slot for either a PCI or
an ISA expansion board
Minitower chassis includes expansion slots for up to five
expansion boards:
Two dedicated full-length PCI slots
Two dedicated full-length ISA-bus slots
One full-length "combination" slot for either a PCI or
an ISA expansion board
145-watt (desktop models) or 185-watt (minitower models)
surge-tolerant continuous power supply, switch-selectable
for 115 and 230 VAC operation
One RS-232C–compatible 9-pin serial connector
One multimode, 25-pin enhanced parallel connector
Two Universal Serial Bus (USB) Plug and Play connectors
on all models, for use with USB devices such as a mouse,
keyboard, most joysticks, and other future USB peripherals