R

RAM (random access memory), 1, 1-17,C-1,E-1

RAM checks, C-2Random seek check, D-15Read-only memory (ROM),

C-l, E-l Read, verify, D-22Read/write heads, 3-10Real-time clock, 1-22 -24 Recharging battery, 1, 3-1 -2 Reference diskette, 1-2,2-5Reference files, copying, 2-5Registration card, 1-2Release button, 1-18,3-13Removing diskette, 3-13Replacing screen element,

A-2 -8

RESET button, 3-6Resetting computer, 3-6Resuming from error, D-3ROMBIOS command, 4-19Root directory, 4-5,4-15-17 RS-232C serial port, 1-9,1-14,

1-22,1-25 -27

S

Safety rules, 1-14Screen,

caring for, 3-7closing, 3-4connecting, 1-2 -4 latch, 3-4opening, 3-4switches, removing, A-2

Screen paging check, D-11SCROLL LED, 3-3,3-8Scroll Lock key, 3-3,3-8Secondary serial port, 1-14,

1-25 -27

Seek check, D-15,D-21Selecting CPU speed, 3-5,B-6Selecting test, D-2

SELECT program, 2-1,2-3-5 Self test, internal, 1-16,C-1 -6

Sequential seek check, D-15Serial,

cable, 1-9

interface, 1, 1-6,1-9,E-1port, 1-9,1-14,1-22,

1-25 -27

port check, D-17 -19 printer, 1, 1-6,1-9 -10

RS-232C port, 1-9,E-1SETMODE command, 1-9Setting date, 1-24Setting time, 1-23-24 Setup menu, 1-23

Setup program, 1-22 -28 Single diskette drive, using,

3-14

Slots, option, E-1Software,

problems, B-5programs, B-5Special keys, 3-7-8 Specifications, E-1 -3

Speed check, D-16Speed switch, 3-5,B-6Starting diagnostics, D-1 Subdirectories, 4-14-18 Sync check, D-12SYSTAT command, 4-19System,

board check, D-4device check, C-1diagnostics, D-1 -25 diskette, 1-2,1-19files, copying, 2-4

T

Test, selecting, D-2TIME command, 1-23Time, setting, 1-23Turning off backlighting, 3-7Turning off computer, 3-15Turning off hard disk, 3-12,

3-15,A-9 -1

Turning on computer, 1-14

Index

I-5