1500 HD (250-3506) Catalog Listing Faxback Doc. # 1900 1854 Additional Floppy Drive 1906 Battery 1902 Features 1908 Initializing the Hard Drive 1903 Memory Upgrades 1909 Parallel Printer 1905 Pinouts 1907 Power Utilities 1910 Serial Device 1904 Setup 1901 Specifications (rjs-06/29/93)