General Information
Model number: PA7028U
Dimensions: 12.2" W x 2.6" H x 12" D
Weight: 9 lbs.
Voltage: Computer DC input - 18VDC, 0.6A (+ = Core, - = Shell)
AC adapter - 120VAC, 60HZ, 25W
Battery: Internal rechargeable NiCD battery pack
CPU: 80C88, 4.77MHZ
RAM memory: 512KB standard (conventional)
Drives: One 3.5" 720K floppy disk drive
Number of keys: 83
Keyboard type: PC
Temperature: Operating: 50 to 104 F (10 to 40 degrees C)
Humidity 20 to 80% RH
Non-Operating: -4 to 150 F (-20 to +65 degrees C)
Humidity 5 to 95% RH (No Condensation)
Operating system: Toshiba MS-DOS 2.11 (This is the only version
that will run)
Software Compatibility
Compatible with most software written for the IBM PC/XT using a color
graphics adapter (CGA) display
Interfaces
RGB (CGA) color video port
Composite b&w monochrome video port
Parallel printer port
External diskette drive port
Hardware Switches and Controls
1) Power on/off
Located on left side of computer
2) LCD contrast dial
Located on left side of computer
3) Display select
LCD or CRT display select switch - located on back of computer
4) Internal/external FDD select switch
Located on back of computer
Options
PC1-PA7437E PC Floppy Link (no longer manufactured)
PC1-PA7224E External 5.25" 360KB FDD (no longer manufactured)
PC1-PA7235E External 3.5" 720KB FDD (no longer manufactured)
PC1-PA7435U 300 bps Bell 103 compatible modem/clock/RS-232-C
card (no longer manufactured)