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DS2/DS4 Hardware Manual
Page 12
4.3
Processor Board – AIM104-386EX
The AIM104-386EX is a single board computer with the PC/104 form factor, based on the Intel 386EX
processor. On-board peripheral functions include four COM channels, a real time clock and an event
timer/watchdog timer. The event timer can trigger periodic recovery from power down mode, allowing low
average current consumption. The Director operating system periodically services the watchdog timer. In
case of software failure or lockup, system reset will occur when the watchdog times out.
The AIM104-386EX offers a 25 MHz processor board, running a multi-tasking software kernel. To function
correctly, the processor needs the correct boot files in addition to valid configuration files which are stored in
its Flash Filing System. AIM104-386EX has four serial ports, COM0 through COM3, with COM3
configurable through link settings for RS-232 or RS-485/422 operation.
An enhanced 5V monitor/reset provides brown-out protection. A FLASH device provides permanent storage
for Director operating system, configuration files, and programming. A hardware Real-time Clock (RTC)
device is provided.
4.3.1
AIM104-386EX Link Settings
The following diagram shows the necessary link settings on the AIM104-386EX for it to operate properly
within a Director system. Shaded links indicate jumpers which are fitted.
B LK9 A
B LK10 A
B LK7 A
B LK8 A
B LK5 A
B LK6 A
C LK4 A
C LK2 A
C LK3 A
LK1
PL2
TP3
FT1
FT2
PL1
TP7
LK17
PL6
LK16
TP1
TP2
TP4
TP5
PL3
PL7
PL5
PL4
TP6
Drg. S15040-04a
Содержание Director DS2
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