Tandy 1000 TL/3 (250-1603) Floppy or Hard Drive Faxback Doc. # 1245 The TL/3 has one 3 1/2" 720KB diskette drive already installed. In addition, you can install one or more of the following storage devices: * A 3 1/2" diskette drive of SmartDrive in the drive platform, the removable pan located to the left of the factory-installed diskette drive. You can also install a 3 1/2" diskette drive in the 5 1/4" drive bay, using a 3 1/2" to 5 1/4" Disk Drive Adapter (25-1076). You can order the SmartDrive adapter at a Radio Shack Store. * A 5 1/4" diskette drive in the 5 1/4" drive bay Note: To install a SmartDrive (25-1045 or 25-1076) when you have installed devices in both the drive platform and the drive bay, you can purchase a SmartDrive mounting bracket (MB-0019). Using this bracket, you can install the SmartDrive in the slot on the bottom of the computer. The mounting bracket is available at Radio Shack Stores. The SmartDrive connector on the main logic board supports one SmartDrive. The TL/3 supports most IBM PC/XT-compatible diskette drives and hard drives. However, we recommend the Tandy diskette drives and hard drives (SmartDrives) available at Radio Shack Stores. These drives are designed especially for your computer. If you are installing a diskette drive, remove the appropriate panel from the computer cover. To remove the 3 1/2" panel, press down on the center tab on the inside of the cover. This panel is replaceable. To remove the 5 1/4" panel, press down on it from the outside of the cover. The 5 1/4" panel is not replaceable. Note:Read the appropriate procedures in this section to install optional storage devices in your Tandy 1000 TL/3. Before installing a hard drive card in the computer, you must attach a support bracket (MB-0111) to the hard drive card. Installing a hard drive card is similar to installing an adapter board. For more information about preparing a hard drive card for installation, refer to the installation guide included with the hard drive card. 3 1/2" Diskette Drive or Smartdrive Installation--Drive Platform To install a 3 1/2" diskette drive or SmartDrive in the drive platform of the computer: 1. Use a screwdriver to remove the two front screws that attach the drive platform to the computer. Slide the platform toward the back of the computer. Remove the platform by lifting it up and put of the computer. 2. Use the four screws from the drive installation kit to attach the drive to the platform. Note: There are two rows of holes on the drive platform. The illustration shows screw installation for a 3 1/2" diskette drive. To install a SmartDrive, use the holes on the second row that correspond to the mounting holes on the drive. Refer to the drives installation guide for more information. 3. Use the two screws you removed in Step 1 to attach the drive platform and the drive to the computer. 4. Refer to the installation kit documentation to connect the cable to the drive, using the correct Pin 1 alignment. Connect a computer power cable to the drive, if necessary. 5. Attach the remaining cable connector to the diskette drive connector or the SmartDrive connector on the main logic board. Refer to "Main Logic Board and Satellite Board Layout" to find Pin 1 of the SmartDrive connector or diskette drive connector on the main logic board. 5 1/4" Diskette Drive Installation--5 1/4" Drive Bay To install a 5 1/4" diskette drive in the drive bay of the computer: 1. Press the latches of the two drive mounting rails in firmly. Slide the rails out of the 5 1/4" drive bay. Remove and discard the grounding clip screws. 2. Use a small screwdriver and the four screws included with the diskette drive to attach the rails and the grounding clips to the drive. 3. Slide the drive mounting rails and the diskette drive approximately halfway into the drive bay. Attach the drive and power cables as directed in the diskette drive installation guide. 4. Slide the drive into the bay until the latches snap into place. 5. Run the SetupTL3 utility to specify the type of the new diskette drive.