TANDY 1000 RLX (250-1452/53) Settings Faxback Doc. # 1322 Refer to Faxback Doc. # 1292 for Main Logic & SSJ Board Layout: * = Factory Default E10-E11 * Dual map video BIOS at F0000-F7FFF and C0000-C7FFF E11-E12 Dual mapping of video BIOS disabled E7-E8 Disable onboard VGA port E8-E9 * Enable onboard VGA port E2-E3 Video IRQ3 enabled (Jumpered) * Video IRQ3 disabled (Not Jumpered) E4-E5 * FDC primary address E5-E6 FDC secondary address Changing the Microphone/Line Audio Jumper: Note: These Jumpers are located on the SSJ Board.