TANDY 1000 RLX (250-1452/53) Features Faxback Doc. # 1293 * 10/5 Mhz 80L286-10 microprocessor. * 512K RAM on Main Logic Board (80ns). * Expansion for an additional 512K RAM (80ns). * 101 key PS/2 style keyboard. * PS/2 compatible mouse port. * Built in VGA compatible video port. * 256K of video memory. * In board XT IDE Smartdrive port. * On board FDC that can support two floppy drives (1.44 Meg or 720K). * 1.44 Meg internal 3.5" floppy drive. * One DB-25 parallel port. * One DB-9 RS-232 serial port. * Two joystick ports. * One board real time clock chip. * A 10 inch XT compatible expansion slot. * MS-DOS and Deskmate Desktop in ROM. * Enhanced speech and sound support.