2810 HD/60 (250-3552) Catalog Listing Faxback Doc. # 1740 1749 Addendum 1746 Additional Floppy Drive 1745 Battery 1753 External Keyboard 1742 Features 1750 Hard Drive Management 1747 Math Coprocessor 1743 Memory Upgrades 1510 Pinouts 1748 Power Management 1495 Resume Function 1754 Serial Device 1744 Setup 1741 Specifications (rjs-06/29/93)