A new era
The VTD/8 Centro board, sometimes referred as the VTD/8 Centro250 board, has received very favourable feedback from the market when we delivered this gateway (since 1995) with up to 250 simultaneous sessions at 195 transactions per second.
Simplicity and flexibility
Both VTD/8 Centro board and VTD/8 Centro1000 board are based on the same techniques. There are no visual differences between both cards, although they carry a different microprocessor and memory board. They also differ in the number of maximum simultaneous sessions. The Centro board serial number starts at 3000.
Layout
The VTD/8 Centro board contains the 80486-DX4 100 MHz processor, 8 Mb memory, 512 Kb cache memory, two V24 connectors, one V35 connector and one 10 Mb Ethernet AUI connector. A row of LED's in the VTD/8 card itself indicates the actual status of the board.
Prerequisites
The installation of a VTD/8 Centro gateway can be performed on any Windows NT4, Windows 98, Windows 95 or MS-DOS platform. One free ISA slot is essential in order to install the card. One free IRQ (when installed on a Windows machine), one free I/O address (200, 220, 240, 260, 300, 320 or 340) and a free memory address region (between B000X and DFFFX) are also required.
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