42 Net finity 3500 -M20 – T ype 8657 Mod els 21 Y, 2 2Y, 31Y, 32Y ,

System bo ard external por t conn ectors

The following illustration identifies syst em-board con nect ors
for external devices.
Þ1Ý Keyboard/mouse
Þ2Ý USB
Þ3Ý Serial A
Þ4Ý Parallel
Þ5Ý Serial B
Þ6Ý Ethernet
Þ7Ý Video

System bo ard switches and jumpers

The f o ll owi ng ill us tr ati o n sh ows t he swit c hes an d ju mpe rs o n
the system board.