
Chapter 2: 7401-4xxx Product Overview 2-13
• Release 2.0 – 2.4 processor boards use a Cirrus/Crystal CS4614
(PCI-based) sound controller that supports DirectX 6 sound.
• Release 2.5 processor boards use an ESS Allegro ES1989 sound
controller that supports DirectX 8 sound.
Magnetic Stripe ReaderA 3-track MSR head is available as an option. The ISO card format is
supported.
When card data is read, an interrupt is generated. A software device
driver for the MSR must be loaded to enable the application to process
the data.
Touch Screen ControllerThe MicroTouch "Excalibur" chip is used to inte rfa ce t h e tou ch p anel.
This controller supports Micro To u ch ca pa cit iv e p anels.
In order to save an RS-232 port, the touch data is delivered to the
system through the mouse interface. This requires a mouse-aware
touch device driver for the appropriate OS.
When the system is operating in the dimmed display mode, touch
activity can restore full brightness if instru cted by software to do so.
When system is in low power mode, touch activity can generate the
mouse port interrupt (IRQ12).
Processor Board ConnectorsAll connectors are either keyed or imposs ible t o plug in co rrect ly due to
mechanical design of the product.
External Connectors Internal Connectors
VGA CRT RGB 15 pin D Shell LCD
Ethernet RJ45 Back light Inverter
Dual USB Type A Integrated Speaker Module
External Stereo speaker
(3.5mm jack) MSR
Power supply Touch screen (PS/2)