Keyboard; Using A Pc Card; Selecting A Pc Card - Compaq Presario X1000 - Notebook PC Reference Manual

By default, USB devices function only while the operating
system is loaded. To use a USB keyboard or hub connected to a
USB connector on the notebook during startup (before Windows
loads) or in a non-Windows application or utility, enable USB
legacy support in the Setup utility. For more information about
using the Setup utility, see the "Using the Setup Utility" section
in Chapter 9.
Identifying the 3 USB connectors on the notebook

Using a PC Card

A PC Card is a credit card–sized accessory designed to conform
to the standard specifications of the Personal Computer Memory
Card International Association (PCMCIA). The notebook
PC Card slot supports both 32-bit CardBus and 16-bit PC Cards.
PC Cards can be used to add modem, sound, storage, wireless
communication, or digital camera functions to the notebook.

Selecting a PC Card

A Type I or Type II PC Card can be used. Zoomed video cards are
not supported.
Startup and Reference Guide—Part 2
Hardware Options and Upgrades
8–3