Lenovo ThinkPad 600E Technical Reference Manual for the ThinkPad 600 - Page 145

reserved bytes, RT/CMOS RAM, RT/CMOS address and NMI

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Page 145 highlights

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 2-31 power-on 2-31 supervisor 2-31 PC Card subsystem 3-9 PCI error check enable 2-31 PCMCIA 3-9 interface 1-6 slots 1-4 Pentium 90/120 MHz 1-3 performance, system 1-7 POST cache test 2-2 error codes 2-34 memory errors 2-16 password 2-29, 2-31 reset 2-29 ROM test 2-15 power supply 1-10 power-on password 2-29, 2-31 power-on self-test (POST) cache test 2-2 error codes 2-34 memory errors 2-16 password 2-29, 2-31 reset 2-29 ROM test 2-15 protected mode switch 2-29 R RAM (random access memory) 2-15 RAM I/O operations, RT/CMOS 2-20 RAM subsystem 1-3, 2-15 random access memory (RAM) 1-3, 2-15 read-only memory (ROM) 1-3, 2-15 real mode switch 2-29 real-time clock 2-18 real-time clock bytes, RT/CMOS 2-21 refresh rate, specifications 1-7 refresh request 2-31 register, CD-ROM drive 1-5 registers RT/CMOS address and NMI mask 2-19 RT/CMOS data 2-19 status 2-21, 2-22, 2-23 reserved bytes, RT/CMOS RAM configuration 2-27 reset, alternative method 2-29 ROM (read-only memory) 2-15 RT/CMOS address and NMI mask register (hex 0070) 2-19 data register (hex 0071) 2-19 RAM address map 2-18 RAM configuration configuration CRC bytes 2-27 date-century byte 2-27 diagnostic status byte 2-24 diskette drive type byte 2-25 equipment byte 2-26 hard disk drive 2, 3 type byte 2-25, 2-26 low and high base memory bytes 2-27 low and high expansion memory bytes 2-27 low and high usable memory bytes 2-27 reserved bytes 2-26, 2-27 shutdown status byte 2-24 RAM I/O operations 2-20 real-time clock bytes 2-21 status register A (hex 00A) 2-21 X-3

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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
2-31
power-on
2-31
supervisor
2-31
PC Card
subsystem
3-9
PCI error check enable
2-31
PCMCIA
3-9
interface
1-6
slots
1-4
Pentium 90/120 MHz
1-3
performance, system
1-7
POST
cache test
2-2
error codes
2-34
memory errors
2-16
password
2-29, 2-31
reset
2-29
ROM test
2-15
power supply
1-10
power-on password
2-29, 2-31
power-on self-test (POST)
cache test
2-2
error codes
2-34
memory errors
2-16
password
2-29, 2-31
reset
2-29
ROM test
2-15
protected mode switch
2-29
R
RAM (random access
memory)
2-15
RAM I/O operations,
RT/CMOS
2-20
RAM subsystem
1-3, 2-15
random access memory
(RAM)
1-3, 2-15
read-only memory (ROM)
1-3, 2-15
real mode switch
2-29
real-time clock
2-18
real-time clock bytes,
RT/CMOS
2-21
refresh rate, specifications
1-7
refresh request
2-31
register, CD-ROM drive
1-5
registers
RT/CMOS address and NMI
mask
2-19
RT/CMOS data
2-19
status
2-21, 2-22, 2-23
reserved bytes, RT/CMOS RAM
configuration
2-27
reset, alternative method
2-29
ROM (read-only memory)
2-15
RT/CMOS
address and NMI mask register
(hex 0070)
2-19
data register (hex 0071)
2-19
RAM address map
2-18
RAM configuration
configuration CRC bytes
2-27
date-century byte
2-27
diagnostic status byte
2-24
diskette drive type byte
2-25
equipment byte
2-26
hard disk drive 2, 3 type
byte
2-25, 2-26
low and high base memory
bytes
2-27
low and high expansion
memory bytes
2-27
low and high usable memory
bytes
2-27
reserved bytes
2-26, 2-27
shutdown status byte
2-24
RAM I/O operations
2-20
real-time clock bytes
2-21
status register A (hex
00A)
2-21
X-3