D

Data,

copying, 5-16-21 deleting, 5-21protecting, 4-17storing, 5-5-6

Deleting, data, 5-21directory, 5-13

Diagnostics, C-1 -4, D-1 -31

clock and CMOS RAM check, C-2diskette drive check, C-4,D-17 -20 dot-matrix printer check, D-24 -25 error codes and messages, D-29 -31 exiting system diagnostics, D-28hard disk check, C-4,D-25 -27 keyboard check, C-3,D-7 -8 math coprocessor check, D-21memory check, D-6

modifying DEVICE LIST, D-2 -3 parallel port check, D-21 -22, D-27 -28 power-on self-test, C-1 -4

RAM check, C-2,D-6resuming from error, D-5running system diagnostics, D-1 -31 selecting a test, D-4

serial port check, D-22 -23 starting system diagnostics, D-1 -2 system board check, D-6system device check, C-1

video display and adapter checks, C-3,D-8 -17 DIP switches, 1-8 -14

back panel, 1-12 -14 keyboard, 1-9 -11 setting, 1-8-14

Directories, using, 5-6-13

DISKCOPY command, 1-19 -21, 5-16 -17 Disk drive, hard. See Hard disk

Index 3