IBM 770 manual Index

O

RAM

I/O

operations,

protection,

power

RT/CMOS

2-21

output

RAM subsystem 1-3, 2-16

supply

1-11

random

access

memory

output

voltage

sequencing 1-11 (RAM)

1-3, 2-16

overvoltage

fault

1-11

read-only memory (ROM) 1-3, 2-16

P

real mode switch 2-30

real-time

clock

2-19

real-time

clock bytes,

page

hit

1-7

RT/CMOS

2-22

page

miss

1-7

refresh rate, specifications 1-7

parallel

controller

port

1-4

refresh

request 2-32

passwords

register, CD-ROM drive 1-5

hard

disk

2-32

registers

power-on

2-32

RT/CMOS

address

and

NMI

supervisor

2-32

mask

2-20

PCI

error

check

enable

2-32

RT/CMOS

data 2-20

PCMCIA

3-11

status

2-22, 2-23, 2-24

interface

1-6

reserved

bytes,

RT/CMOS

RAM

slots

1-4

configuration

2-28

subsystem

3-11

reset,

alternative method 2-30

PCMCIA

slots

1-4

ROM

(read-only memory) 2-16

Pentium

90/120MHz

1-3

RT/CMOS

performance,

system 1-7

address

and

NMI mask

register

POST

(hex

0070) 2-20

cache

test

2-2

data

register (hex 0071) 2-20

error

codes

2-35

RAM

address map 2-19

memory

errors

2-17

RAM

configuration

password

2-30, 2-32

configuration CRC bytes 2-28

reset

2-30

date-century byte 2-28

ROM

test

2-16

diagnostic status byte 2-25

power

supply

1-10

diskette drive type byte 2-26

power-on

password

2-30, 2-32

equipment byte 2-27

power-on

self-test

(POST)

hard disk drive 2, 3 type

cache

test

2-2

byte

2-26, 2-27

error

codes

2-35

low

and high base memory

memory

errors

2-17

bytes

2-28

password

2-30, 2-32

low

and

high

expansion

reset

2-30

memory bytes 2-28

ROM

test

2-16

low and high usable memory

protected

mode

switch

2-30

bytes

2-28

R

reserved

bytes 2-27, 2-28

shutdown

status byte 2-25

RAM

(random

access

RAM

I/O

operations

2-21

real-time clock bytes 2-22

memory)

2-16

status

register

A

(hex

00A)

2-22

Index X-3