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Chapter 1: 7401-2xxx and 3xxx Product Overview 1-19
Note: Bits 2 and 3 are set to '1' by each device reset.
The cash drawer interface can be diagnosed remotely. For security
reasons, the cash drawer diagnostics mode must first be activated by
pressing an external momentary switch (SW2). The intention is for
authorized personnel to be present when the cash drawer diagnostic
tests take place.
There is only one cash drawer status signal; therefore, bit 0 is the status
of either cash drawer or
both cash drawers.
Power LED
The Processor Board provides support for an external power LED
through the onboard Motion/Power LED connector. This LED is
controlled through the SMC 37C935 GPIO pins. Once the SMC chip is
programmed to support the Power LED function on GPIO pin 13, the
LED will be turned "on" anytime all power to the Processor Board is
good. The system's power management software has the option to turn
the LED off indicating the system is in a power-managed mode.
MSR
The MSR interface supports a maximum of 3 tracks of magnetic stripe
information for support of ISO format cards. Activate the MSR
interface by enabling it in BIOS Setup under IO Configuration. The
MSR interface controller is a memory-mapped device, which can reside
at system memory addresses CA000, CC000, or D0000. If MSR
capability is not desired, it may be disabled through BIOS Setup.
Graphics Subsystem
The Release 2.0 – 2.4 processor boards are equipped with an SMI Lynx
SVGA LCD/CRT 3DM graphics controller with 8 MB of integrated
synchronous graphics DRAM.
The Release 2.5 processor board has an SMI Lynx 3DM/3DM+
graphics controller.