LavaPort-ISA Installation Manual LavaPort ISA LAVA COMPUTERS MADE IN Rev. B01 MOKO L16.4.
Contents Before Beginning Installation 3 Hardware Installation 5 Software Installation 7 Windows Installation • Setting LavaPort Data Rates • Setting LavaPort FIFO Control • Flow Control • Com Addressing and IRQ’s • Setting a 230.
Before Beginning Installation Determine what types of add-in boards are currently in your PC. Most devices (ports, network cards, sound cards, controllers) use a particular IRQ (numbering 2-15).The LavaPort-ISA requires an unused IRQ, so determining which are in use is important. This can be done in Windows by going to 'Device Manager' and double clicking 'Computer'. Any number that is not listed is a free IRQ. Note: Many diagnostic programs do not accurately report IRQ usage. DO NOT rely on MSD (Win3.
Note: A Com Port which is not connected to any external devices continues to be seen as "in use" by the PC hardware. If you are disabling an existing Com Port or other device, to make room for the LavaPort-ISA, be sure to physically remove the port/device, or disable it with the proper jumper. Disabling a Com Port through software, or merely disconnecting its cable, will not necessarily disable the port, and may cause a hidden conflict.
Hardware Installation COM 3 COM 1 COM 4 COM 2 16C650 1. Determine the number of serial ports installed in your system. Each port will have a unique "COM" designation number. Configure the LavaPort for the next consecutive unused COM address & make a note of your selection.You will need it when installing the LavaPort ISA software. Configuration Jumpers for IRQ Settings Configuration Jumpers for COM Settings 2. Determine which IRQ's (interrupts) are free in your system.
The following diagrams show the proper jumper positions for configuring the LavaPort-ISA for a given interrupt (IRQ): IRQ 4 (factory default) IRQ 3 IRQ 5 IRQ 2 (same as IRQ 9) IRQ 10 IRQ 11 LIFETIME WARRANTY IRQ 12 IRQ 15 Note: The LavaPort-ISA is not a DOS product. To use a DOS communications program with the LavaPort-ISA, open a DOS Window under Windows.
Software Installation Windows Driver Installation 1. After configuring the hardware jumpers, install the LavaPort-ISA into any available ISA slot in your system and begin Windows. 2. From the My Computer icon, choose Control Panel and click Add New Hardware. 3. Select the Auto-Detect option. Windows will detect the LavaPort-ISA as a standard Com port residing at the address and IRQ which you selected during hardware jumper configuration. 4.
7. After the necessary files have been copied, you may customize your LavaPort driver settings according to your personal needs.To customize your driver, click on the Start button > Settings > Control Panel > System > Device Manager. Click on Ports and select the LavaPort 650 ISA. 8. Click Properties.
Windows Driver Customization Setting LavaPort Data Rates 9
The data rate of the LavaPort may be set using the Bits per Second pull down menu. Please note that this menu will also appear when setting the “Port Properties” in any communications application, and may have to be set independently of your Control Panel settings. Control Panel settings may not necessarily be linked to those of your Communications Application.
Windows Driver Customization Setting LavaPort FIFO Control 11
The LavaPort-ISA incorporates a 16650 UART chip with a 32-byte FIFO (first-in-first-out) buffer. The FIFO control tabs set the buffer “trigger” levels. When the buffer is filled to its trigger level with the selected number of bytes, the CPU will be interrupted and asked to either reload the buffer (for transmission), or retrieve data from the buffer (for reception). Most efficient data transmission occurs when the CPU is interrupted infrequently.
Windows Driver Customization Setting LavaPort Flow Control Flow Control refers to the type of signaling that is used between the modem and the LavaPort. If you are connecting the LavaPort to a modem or ISDN terminal adapter, use the default setting of Hardware (RTS/CTS) flow control. Software Flow Control (Xon/Xoff ) is used only for connecting the LavaPort to a non-modem serial device (e.g. Using a null-modem cable to connect to another Com Port).
Windows Driver Customization Com Address & IRQ Resources The Resources Tab must match the hardware configuration jumpers on the LavaPort-ISA. If any of these settings are changed, the system must be shut down and the LavaPort jumpers must be moved accordingly.
Windows Driver Customization Setting a 230.4 kbps Data Rate The LavaPort-ISA supports data rates up to 460.8 kbps, including 115.2 kbps and 230.4 kbps. However, not all modems support Com Port rates above 115.2 kbps. If your modem does not support higher data rates and you select a higher data rate in the LavaPort Properties, Windows will automatically default to the slowest supported rate in the chain. Some modems do support higher data rates but require special settings and INF files for configuration.
Windows Driver Customization Lava Modem Speed Set for Windows Because some modems support data rates higher than 115.2 kbps, but require special settings (AT Commands) and INF files for configuration, Lava has included a software utility called “Lava Modem Speed Set” which automates the changing of port and modem speeds.
To install the Lava Modem Speed Set utility on your hard drive, insert the LavaPort diskette into your floppy drive, click Start, Run and type A:\Utils\Setup. After installation, the program will attempt to identify your modem. When your modem is found, select it and the following screen will appear: Note that AutoBaud refers to the default speed of the modem (usually 115.2 kbps), and is the speed at which many ISDN modem configuration programs operate. Once configured, the modem may be set for 230.
Windows NT 4.0 Installation Note: Make sure that you are installing the correct LavaPort-ISA drivers for the appropriate operating system. DO NOT install drivers for other Windows versions under Windows NT Windows NT Driver Installation 1. Before the LavaPort-ISA is installed in your PC, turn on your computer and start NT, logging on as Administrator. Access Start|Programs | Administrative Tools | Windows NT Diagnostics. 2.
5. Log onto NT4 as Administrator. Insert the LavaPort installation diskette into your floppy drive and select Run from the Start Menu. When prompted type: A:\NT4.0\Setup. 6. After the necessary files have been copied, select My Computer and start Control Panel. A new icon will appear called “LavaPort”.This applet should now be used to configure ALL Com Ports in your PC – not just LavaPorts.
Troubleshooting Windows (general) System hangs after the LavaPort is accessed ==>Verify that there are no IRQ conflicts. Everything works fine initially, but after rebooting the PC, Windows functions in "Safe Mode" only. ==>Symptomatic of a hidden IRQ conflict. Reconfigure the LavaPort for a different IRQ. Baud Rate selection of 230.4 kbps or higher is reduced to 115.2 kbps as soon as the modem is accessed. ==>Verify that the modem's .INF file supports 230.
Windows NT The NT Event Viewer will display messages regarding the LavaPort driver regardless of success or failure. If you are having trouble with the LavaPort go to Start | Programs | Administrative Tools |Event Viewer. Write down any messages reported by the following services: DetectLava, SerialLava, Serial. DOS or Windows 3.11 Visit www.lavalink.com for installation details. Consult Lava's FAQs on our web site (www.lavalink.com) for relevant solutions, or send e-mail to tech@lavalink.com.
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Lava Technical Support 9:00 am to 5:30 pm Monday to Friday (Eastern Time) Tel: +416 674-5942 Fax: + 416 674-8262 E-mail: tech@lavalink.com Internet: www.lavalink.com Lava Computer MFG Inc. This device complies with part 15 of the FCC Rules. Operation is subject to the following conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Lava Computer MFG Inc. 908 Niagara Falls Blvd.
