O
output protection, power
supply 1-11
output voltage sequencing
1-11
overvoltage fault
1-11
P
page hit
1-7
page miss
1-7
parallel controller port
1-4
passwords
hard disk
2-32
power-on 2-32
supervisor 2-32
PCI error check enable
2-32
PCMCIA 3-11
interface 1-6
slots 1-4
subsystem 3-11
PCMCIA slots
1-4
Pentium 90/120MHz
1-3
performance, system
1-7
POST
cache test
2-2
error codes
2-35
memory errors
2-17
password 2-30, 2-32
reset 2-30
ROM test
2-16
power supply
1-10
power-on password
2-30, 2-32
power-on self-test (POST)
cache test
2-2
error codes
2-35
memory errors
2-17
password 2-30, 2-32
reset 2-30
ROM test
2-16
protected mode switch
2-30
R
RAM (random access
memory) 2-16
RAM I/O operations,
RT/CMOS 2-21
RAM subsystem
1-3, 2-16
random access memory
(RAM) 1-3, 2-16
read-only memory (ROM)
1-3, 2-16
real mode switch
2-30
real-time clock
2-19
real-time clock bytes,
RT/CMOS 2-22
refresh rate, specifications
1-7
refresh request
2-32
register, CD-ROM drive
1-5
registers
RT/CMOS address and NMI
mask 2-20
RT/CMOS data
2-20
status
2-22, 2-23, 2-24
reserved bytes, RT/CMOS RAM
configuration 2-28
reset, alternative method
2-30
ROM (read-only memory)
2-16
RT/CMOS
address and NMI mask register
(hex 0070)
2-20
data register (hex 0071)
2-20
RAM address map
2-19
RAM configuration
configuration CRC bytes
2-28
date-century byte
2-28
diagnostic status byte
2-25
diskette drive type byte
2-26
equipment byte
2-27
hard disk drive 2, 3 type
byte 2-26, 2-27
low and high base memory
bytes 2-28
low and high expansion
memory bytes
2-28
low and high usable memory
bytes 2-28
reserved bytes
2-27, 2-28
shutdown status byte
2-25
RAM I/O operations
2-21
real-time clock bytes
2-22
status register A (hex
00A) 2-22
Index X-3
Summary of Contents for ThinkPad 770
Page 1: ...05L1739 S05L 1739 00...
Page 6: ...vi...
Page 10: ...x Preface...
Page 148: ...IBM Part Number 05L1739 Printed in the United States of America...
