IBM Thinkpad R30 R31 Manual

Keyboard/TrackPoint-Related
Symptoms
Symptom/Error FRU/Action in Sequence
Keyboard (one or more
keys) doesn’t work.vGo to“FRU tests”on page 54.
vReseat keyboard cable.
vKeyboard
vSystem board
TrackPoint does not
work.vGo to“FRU tests”on page 54.
vReseat keyboard cable.
vKeyboard
vSystem board
Indicator-Related Symptoms
Symptom/Error FRU/Action in Sequence
Indicator incorrectly
remains off or on, but
system runs correctly.vReseat Inveter/LED board
(13.3″/14.1″)
vInveter/LED board (13.3″/14.1″)
vSystem...

Symptom/Error FRU/Action in Sequence
Battery can’t be charged.
vGo to“Power systems checkout”on
page 36.
vBattery assembly
vSystem board
Memory-Related Symptom
Symptom/Error FRU/Action in Sequence
Memory count (size)
appears different from
the actual size. (The
main memory with 8MB
of VGA.)vGo to“FRU tests”on page 54.
vEnter BIOS Utility and execute
″Load Setup Default Settings″; then
reboot the system.
vDIMM
vSystem board
Audio-Related Symptoms
Symptom/Error FRU/Action in Sequence
Internal speakers...

Power Management-Related Symptoms
Symptom/Error FRU/Action in Sequence
The system doesn’t enter
hibernation mode.vGo to“Hibernation mode”on
page 29.
vBoot an operating system and
pressFn+F12and see if the
computer enters hibernation mode.
vKeyboard
vHard disk drive connector
vHard disk drive
vSystem board
The system doesn’t
resume from hibernation
mode.vGo to“Hibernation mode”on
page 29.
vHard disk drive connector
vHard disk drive
vSystem board
The system doesn’t enter
into or resume from
sleep mode...

Symptom/Error FRU/Action in Sequence
Parallel port device
problems.vDevice driver
vDevice cable
vDevice
vEnsure that″Parallel Port″in the
″Config sub-menu″menu of the
BIOS Utility is correctly set.
vSystem board
Modem-Related Symptom
Symptom/Error FRU/Action in Sequence
Internal modem does not
work correctlyvGo to“FRU tests”on page 54.
vModem connector
vModem board
vSystem board
Operating System-Related Symptom
Symptom/Error FRU/Action in Sequence
Operating system not
foundvCheck that the operating...

1. Run the diagnostic test for the system board at least
10 times.
2. If no error is detected, do not replace any FRUs.
3. If any error is detected, replace the FRU. Rerun the
test to verify that there are no more errors.
Undetermined Problems
The diagnostic tests did not identify which adapter or
device failed, which installed devices are incorrect, whether
a short circuit is suspected, or whether the system is
inoperative. Follow the procedures below to isolate the
failing FRU.
Verify that the power...

ThinkPad R30
This section applies to the following models: 2656, 2657,
2676.
50ThinkPad R30/R31 HMM 

Product overview
The following shows an overview of the system features.
Feature Description
Processor Intel Pentium III Celeron processor
800/100, 900/100 MHz, 1 GHz, L2
cache
Bus architecture Host bus 64bits/100 MHz, PCI 32
bits/33 MHz, ISA 16 bits/8.33 MHz,
PCMCIA 16 bits/33MHz, Cardbus 32
bits/32 MHz
System memory 64 MB or 128 MB base main memory
on system board PC 133
Two 144pins SODIMM slots supports
64 MB, 128MB, 256MB, and 512MB
DIMM card
Maximum frequency: PC 133
Maximum size: 1024 MB
CMOS RAM...

Feature Description
Ethernet (optional) Intel 82550GY on board . It supports
10/100Mbps
IEEE 1394 (optional) Ti TSB43AB22 1394 controller on
board
IEEE 1394.a 4–pin connector—no
cable power
100Mbps, 200Mbps and 400Mbps
PC Card (PCMCIA) One Type I/II or Type III
I/O ports External monitor
Speaker-out
Microphone-in
DC-in
TV-out (S-Video out)
Parallel
Two USB
IEEE 1394a (optional)
Telephone (RJ11)
LAN (RJ45, optional)
Power 72–Watt AC Adapter
6–cell Li-Ion & 8–cell NiMH Battery
Packs (Dumb Battery)
Status...

meaning of each icon:
7
6
Symbol Color Meaning
(1) Drive in use
Green Data is being read from or
written to the hard disk. Do
not enter standby mode or
power off the computer
when this indicator is on.
(2) Numeric lock
Green The numeric keypad on the
keyboard is enabled. You
enable or disable the
keypad by pressing and
holding theShiftkey, and
pressing theNumLkkey.
For details, see theUser’s
Reference.
MT 2656, 2657, 267653 

Symbol Color Meaning
(3) Caps lock
Green Caps Lock mode is
enabled. All alphabetic
characters(A-Z)are
entered in capital letters
without theShiftkey being
pressed. You enable or
disable the Caps Lock
mode by pressing theCaps
Lockkey.
(4) Scroll lock
Green Scroll Lock mode is
enabled. TheArrowkeys
can be used as
screen-scroll function keys.
The cursor cannot be
moved with theArrow
keys.Not all application
programs support this
function.You enable or
disable Scroll Lock mode by
pressing theScrLkkey.
(5)...