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| F096B Date: 280498 Modified: 22032000 Author: JD Notes: NA |
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| F096B Date: 280498 Modified: 22032000 Author: JD Notes: NA |
UDS-IS11/ISA
SCSI Controller Card |
| Up until 6/99 UMAX scanners have been supplied with an ISA SCSI scanner controller card called the UDS-IS11/ISA. As this card is only intended for use with the scanner, it is not described in any documentation and does not include drivers to support additional devices - however, the card is capable of working as a generic, ASPI-compatible controller. From 6/99 the UDS-IS11/PCI is being progressively introduced through stock - this card is documented separately. |
UMAX UDS-IS11/ISA SCSI controller card, with a single
DB25 SCSI connector and one jumper (yellow)
(970160-18 REV A)
The information in this technical note is provided by IMC without warranty or support - UMAX do not support the use of the UDS-IS11/ISA SCSI card in any role other than a dedicated scanner controller, and have not officially documented their OEM sourcing of the UDS-IS11/ISA. |
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What is the UDS-IS11/ISA? The UMAX UDS-IS11/ISA is an OEM of Domex's (aka DTC Technology's) DTC-3181LE SCSI card. The full drivers for the DTC-3181 card are available from Domex's web site. According to Domex's specifications, the 16-bit ISA card supports SCSI-II, an asynchronous transfer rate of 7MB/sec, synchronous burst transfers of 10MB/sec, and has full driver support for DOS (ASPI), Windows 3.x (ASPI), Windows 95 (MPD) and Windows NT (MPD). The SCSI card uses passive termination and has an external 25-pin D-sub connector. We understand that the same card (or the DTC-3151x variant) is OEM'd by: Relisys, Avision, Epson, HP, IBM and Mustek (this information is from the US company DTC, who manufacture related products). What resources does the card use? The card requires a single free ISA slot, and an I/O address (base 220h - 340h, configurable in software). The card does not use an IRQ, DMA or COM resource. (Note: see later notes on installing as Plug & Play) What devices can the card control? As a generic SCSI card using the ASPI or miniport drivers from Domex/DTC, the card should be able to control any ASPI-compatible external SCSI device such as a CD drive, tape device, removable media drive etc. Note, though, the device cannot host a boot device, and it does not have an internal SCSI connector. The external D-sub 25 pin connector is also comparatively obscure, which may make cabling difficult - in general UMAX scanners supplied with the card include a 25-25 or 25-50 pin SCSI-I cable, and a 25 pin (single-sided) or 50 pin (double sided) passive terminator. For further information on DTC's drivers and installation procedures, please read their ReadMe files for DOS/Windows 3.1x and Windows 95/NT. Is the card Plug & Play? No - however, the latest versions of the card (new RevA) include a "PNP / PNR" jumper -by default, this is set to Plug & Run. By changing the jumper setting to "PNP", Windows 95 should be able automatically detect the card and install drivers. The earlier RevB and RevA cards had a soldered link across J1, setting the card in PNR mode (although not recommended, this link could be removed to change to PNP). Installing the card as a DTC-3181x Adaptor Windows 95/98 - Old RevA, RevB or RevA in PNR mode (Plug & Run) With the card configured as PNR (default for older cards, default jumper setting for new RevA's), use the Add New Hardware wizard in the Windows Control Panels. When asked wether Windows should search for new hardware answer No, then choose the Have Disk option. Change the driver directory to the location of your DTC drivers (expanded by running the .exe file downloaded from Domex or DTC Technology) - Windows 95 will then locate the DTC driver and install it. In the System Control Panel, Device Manager, under SCSI Controllers, the "DTC3181X/DTC3151X SCSI Host adapter" should now be listed (you may be required to reboot). Installed as a PNR device, the card appears to only use an I/O address range. Windows 95/98 - New RevA in PNP mode (Plug & Play), older cards with PNR link broken With the card configured as a Plug & Play device, it will be detected when allowing the Add New Hardware wizard to search, or on booting the PC - locate the DTC drivers when prompted. Installed as a PNP device, Windows 95 reserves an IRQ and an I/O address range for the card. Windows NT4 - Old RevA, RevB or RevA in PNR mode (Plug & Run) - PNP Not Supported Because Windows NT 4.0 does not support Plug & Play devices*, the card must be configured as a PNR device (default) to be installed. The DTC-3181X card driver is not provided with Windows NT, so it must be manually chosen during the NT installer, or added using the SCSI Adapters control panel: in the Drivers tab, Add a new SCSI driver and locate the expanded DTC drivers. When you are asked to locate the source for SCSI drivers, again locate the expanded DTC drivers. Windows NT will now require you to reboot, after which your card should be listed as a "DTC3181X/DTC3151X SCSI Host adapter" in the SCSI Adapters control panel. The card will use an I/O address range, but not an IRQ. (* = we have not tested his device with NT4's ISA pnp service) Re-installing VistaScan (v2.4.4 or earlier) or MagicScan (v4.1 or earlier) If you continue to use the card to control a UMAX scanner after installing its ASPI/MPD drivers, you MUST reinstall VistaScan or MagicScan: choose to doa Custom install of the Scanner Driver only, and choose "Adaptec or other ASPI Compatible" as the SCSI card type. VistaScan 2.4.5 / MagicScan 4.1 or later always use the MPD architecture and ASPI calls. Identifying your UMAX UDS-IS11/ISA SCSI card
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