4800 HD  (250-3539)              Options                Faxback Doc. # 1417

*  Ni-Cad Battery Pack (25-3541). With a fully charged battery, you 
can power the computer for about 2.5 hours from a fully charged battery. 
The maximum operation time varies depending on the options you install, the 
backlight brightness, and the amount of diskette and hard drive access. 

*  Internal fax/modem that operates as 2,400 bps and has MNP-5 error
correction (25-3542). The fax can send and receive at 9,600 bps. 
The modem port is identified as COM2. Some applications ask for this 
information before you can use the modem.

*  Internal Micro-Trackball (25-3545) The trackball replaces the 
panel above the left end of the keyboard. A trackball functions like a 
mouse. However, instead of rolling the trackball over a surface, you move 
your finger across the trackball to position the pointer.

* External Keyboard (26-4032). You can connect an external keyboard 
to your computer's built-in external keyboard port. The built-in keyboard 
remains active even when an external keyboard is connected to your computer.

*External Monitor. You can connect a VGA monitor to your computer's built-in 
video port. The system comes with display utilities that let you switch 
between viewing the internal display, an external monitor or both.