System Requirements - HEIDENHAIN TNC 320 Operating Instructions Manual

System requirements

The programming station software runs on PCs that meet the
following requirements:

Standard PC with Windows 2000, XP, Vista, 7 or 8 (32-bit and 64-bit)
with the recommended system prerequisites

Processor: at least Pentium III with 800 MHz

USB interface

LAN interface for multiple-station version with network dongle

512 MB RAM minimum

Graphics card: At least 16-bit color depth

Minimum 1 GB of free hard-disk space

At least 15-inch screen with a resolution of 1024 x 768 pixels; the
virtual keyboard requires a minimum resolution of 1280 x 800
(WXGA) pixels, or for the TNC 640 a minimum resolution of 1680 x
1050 (WSXGA+) pixels

LAN connection when the TNC programming station with network
license is used
HEIDENHAIN Programming Station TNC 320/TNC 620/TNC 640 51