TANDY 1000 TL/2 (250-1602) Settings Faxback Doc. # 1222 Note: Refer to Faxback Doc. # 1230 for Main Logic Board Layout. E6 - E7 Not jumped connects IRQ5 to the Expansion Bus. E6 - E7 Jumped connects VSYNC to IRQ5 (default). E7 - E8 Jumped connects IDE IRQ to IRQ5. E8 - E9 Jumped connects IDE IRQ to IRQ2 (default). E8 - E9 Not jumped connects IRQ2 to the Expansion Bus. Audio Interface Board: E11 - E12 Jumped when a line audio input is connected to the microphone jack. E12 - E13 Jumped when a microphone input is connected to the microphone jack (default). Note: These are user selectable jumper locations.