151 Diagnostic System Installation andOperatingProcedure 2. Connection Details Required power supply Power supply for the Laptop/Desktop The Interface Unit does not require any external power supply. It works on vehicle battery, provided through the OBD cable. Connect the RS232 cable to the Laptop/Desktop COM port The OBD cable is connected to the Diagnostic connector of the wiring harness. 3. Specification 3.1. Laptop / PC Operating system : WIN 2000 /WIN XP or later version CPUSpeed : Pentium 4 RAM : 256MB Video Display : 800 x 600 resolution with 24 bit colour RS232 port : Minimum 1No. CDROMDrive Printer Port (optional) The software works with the above features of a Desktop/ Laptop PC. Any other combination of speed and RAM less then specified will slow down the response of the software. 3.2. Interface Unit Interface unit fromM/s Silicon Engines, USA OBDcable RS232cable
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