1-10 Technical InformationThe battery bay contains an eight-cell Lithium Ion (Li-Ion) battery that lets you run yoursystem on DC power.HARDWARE OVERVIEW—REAR SIDEReview the following section for a description of the hardware on the rear of the NECVersa.Figure 1-10 Rear FeaturesKeyboard/Mouse PortUse the standard PS/2 port to connect an external PS/2-style mouse or a PS/2-style key-board to the system. With an optional Y-cable adapter, you can connect both a mouse and akeyboard at the same time. A serial mouse is not supported.Parallel Port (LPT1)The 25-pin printer port provides a parallel interface to which you can connect a parallelprinter, pocket network adapter or storage devices. Use this port to connect a parallelprinter or other parallel device. The port is IEEE 1284 compatible. It supports bi-directional(AT) mode, Enhanced Capabilities Port (ECP) mode, Enhanced Parallel Port (EPP) mode,(365SL-compatible), nibble mode, and byte mode (PS/2).The parallel port default is Extended Capabilities Port (ECP) mode. Use Setup to changethe default to one of the following. Uni-directional Bi-directional EPP ECP