computer, the embedded numeric keypad is automatically disabled.On an external keyboard, the key acts the same way as the key on the computer’s keyboard (if theExternal Hot-Key option is enabled in the system setup program).External Numeric KeypadNOTE: If the computer is in suspend (or standby) mode or S2D mode when you attach an external numerickeypad, the device is recognized immediately by the computer when it resumes normal operation.When you attach an external numeric keypad to the computer, the numeric keypad on the computer keyboard isautomatically disabled. The indicators on the integrated keyboard track the operation of an external numeric keypad.USB DevicesYou can attach a USB hub device to the USB connector. The USB hub device can support multiple USB devices (typicallylow-speed peripherals such as mice, keyboards, printers, and computer speakers).Parallel DevicesYou can attach a parallel device (usually a printer) to the 25-pin parallel connector. You can also connect the diskette driveto the parallel connector.The parallel port sends and receives data in parallel format, where eight data bits (one byte) are sent simultaneously overeight separate lines. The port can be configured as a unidirectional (output-only) port for devices such as a printer or as abidirectional port for devices such as a network adapter.The computer's integrated parallel port is designated as LPT1. The Microsoft® Windows® 95 and Windows 98 operatingsystems automatically recognize the parallel device and configure it correctly. The parallel port can also be configured forcompatibility with the PS/2 standard.Connecting a Diskette Drive to the Parallel ConnectorYou can use the diskette drive as a second external device if you already have a device connected to the media bayconnector. The diskette drive letter is A, unless a diskette drive is already installed in the external media bay, in whichcase the drive connected to the parallel connector is drive B.To connect the drive to the parallel connector on the I/O panel, use the optional parallel diskette-drive cable (availablefrom Dell), as shown in Figure 2.Figure 2. Connecting a Diskette Drive to the Parallel ConnectorConnecting External Devices: Dell Latitude LS Portable Computers User's Guidefile:///C|/Documents and Settings/Administrator/De...ew Web/Documentation/LS/LS User's Guide/exconn.htm (3 of 6) [5/31/2000 9:46:41 AM]
