4800 HD (250-3539) Specificationsb Faxback Doc. # 1411 Dimensions: 1.625 x 8.5 x 11" Weight: 5.5 lbs. Processor: Intel 486SX CPU Speed: 20 MHz FCC Class: B Max. Memory: 8 MB Hard Disk: 2.5", 60MB Std. Memory: 4 MB Video: LCD Power Supply: 120 VAC (60 Hz)* Op. Sys: MS-DOS 5.0,Windows 3.1 Keyboard: 84-key, 101-emulation QBASIC 1.0 Floppy: 3.5", 1.44MB Environment: Operating: 50øF to 104øF Humidity: 10%-80% non-condensing Non-Operating: -22 F to 140 F Standard Ports: PS/2 Keyboard (Mini-Din, 6-pin) Parallel (DB-25),Serial (DB-9), Ext.VGA Monitor (DB-15), AT BUS (100-pin), Modem (14-pin) CURRENT BIOS Version: 486 - A1.8 or Phoenix - 1.01 VGA Version: 01.01.00