Ports       Show Part Numbers       Hide Part Numbers 1009400, 1009417, 1009437, 1009456, 1009459, 1009462, 1009491, 1009497, 1009502, 1009507, 1009538, 1014165, 1014168, 1014231R, 1014406R, 1015524R       Show Model(s)       Hide Models GM5407E, GT3232m, GT3231m, GM5446E, GM5442, GT5438, GM5457E, GM5457H, GT5449E, GT5456H, GT3076m, GT5412, GT5408, GT5062b, GT5072b, GT3250m These are the ports on the rear computer. Refer to the following table for more information. Item Description A PS/2 keyboard port B PS/2 mouse port C Serial port D Parallel port E VGA monitor port F Four USB 2.0 ports G IEEE 1394a port H Network port I SPDIF digital audio out port J Center channel and LFE (subwoofer) / retasking jack K Surround left and right / retasking jack L Microphone in / retasking jack M Line out / retasking jack N Side surround left and right / line in / retasking jack