TANDY 2500 RSX (250-1620/1621) Options Faxback Doc. # 1898 Additional Give you a variety of storage options, including: storage devices: high-capacity and standard-capacity diskette drives (3 1/2" or 5 1/4"), internal hard drives (1/2" or 5 1/4"), and tape and/or disk cartridge systems. Memory upgrade Kit: Use (2) 1MB SIMMs (25-5137) or (2) 4MB SIMMs (25-5136), rated at 70 ns, to increase system memory on the main logic board. Video memory Increases the video memory on the main logic board upgrade kit: from 256KB to 512KB (25-1082A), letting you use more Super VGA modes. 25 MHz 387SX Increases the numerical processing capability of math coprocessor: your computer. A math coprocessor can process numeric data more quickly than the CPU. Modem Transmits and receives data through an ordinary telephone line. Digital scanner: Coverts printed text and graphics to a digital form. FAX adapter: Transmits and receives scanned graphic images through a telephone line. CD-ROM drive: Accesses the enormous storage capabilities of read-only discs. Multiple-frequency Lets you use most Super VGA modes. Connect a monitor: multiple-frequency monitor or an 8514/A-compatible, multiple-frequency monitor. to use some Super VGA graphics modes, you must also install a video memory upgrade kit. SmartDrives: Can be installed in the 3 1/2" bay and/or the 5 1/4" (IDE hard drives) drive bay. The SmartDrive connector in your computer supports up to two internal hard drives.