Symptom/Error
FRU/Action
Two short beeps and a
blank display.
1. System Board
2. Any options or devices
External display problems.
(See “External Display
Self-Test” on page 464
before replacing any FRUs.)
1. External Display
2. System Board
Incorrect memory size
during POST.
(See “Memory Checkout” on
page 25 before replacing
any FRUs.)
1. System Board
2. Memory Module Kits
Computer hang-up or
intermittent hang-up.
1. System Board
2. Hard Disk Drive
3. Math Coprocessor
4. Replace the last device
being tested
(See “Undetermined
Problem” on page 36.)
Computer does not suspend
or resume.
(Check the Suspend icon to
make sure of the failure.)
1. System Board
2. System-Status
Display Assembly
3. Any options or devices
Computer does not power
off.
1. System-Status
Display Assembly
2. System Board
Real-time clock inaccurate.
1. System Board
Printer problems.
1. See “Printer
Checkout” on
page 468.
Serial or parallel port device
problems.
1. Device
2. Cable
3. System Board
ICON is incorrectly blinking
or stays on.
1. System Board
2. Related Device
ICON incorrectly remains
off, but diagnostics runs
without an error.
1. System Board
2. Related Device
3. System-Status
Display Assembly
Internal Data/Fax Modem
does not communicate with
a remote modem or a fax.
(See “Fax/Modem
Checkout” on page 466
before replacing any FRUs.)
1. Internal Data/Fax
Modem
(Make sure
Data/Fax
Modem power option is
set to on in the Set
Features program.)
101, 103, 107, 111
1. System Board
2. Hard Disk Drive
3. Diskette Drive
4. Any attached devices
109, 110, 121
(See “Memory Checkout” on
page 25 before replacing
any FRUs.)
1. Memory Module Kits
2. System Board
Model L40 SX (8543)
33
Summary of Contents for N51 Series
Page 2: ......
Page 8: ...vi IBM Mobile Systems HMM Volume 1 ...
Page 12: ...x IBM Mobile Systems HMM Volume 1 ...
Page 34: ...22 IBM Mobile Systems HMM Volume 1 ...
Page 55: ...Parts Listing 1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 13 17 18 Model L40 SX 8543 43 ...
Page 83: ...Parts Listing 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Model N45SL 2614 71 ...
Page 114: ...Model N51 Exploded View continued 2 3 4 5 6 7 102 IBM Mobile Systems HMM Volume 1 ...
Page 122: ...110 IBM Mobile Systems HMM Volume 1 ...
Page 156: ...144 IBM Mobile Systems HMM Volume 1 ...
Page 174: ...B D A C E F H G 162 IBM Mobile Systems HMM Volume 1 ...
Page 175: ...Model P70 P75 Exploded View continued A Model P70 and P75 8573 163 ...
Page 176: ...Model P70 P75 Exploded View continued B C 164 IBM Mobile Systems HMM Volume 1 ...
Page 177: ...Model P70 P75 Exploded View continued D E Model P70 and P75 8573 165 ...
Page 178: ...Model P70 P75 Exploded View continued F 166 IBM Mobile Systems HMM Volume 1 ...
Page 179: ...Model P70 P75 Exploded View continued G Model P70 and P75 8573 167 ...
Page 180: ...Model P70 P75 Exploded View continued H1 Model P75 168 IBM Mobile Systems HMM Volume 1 ...
Page 181: ...Model P70 P75 Exploded View continued H2 Model P70 Model P70 and P75 8573 169 ...
Page 184: ...Parts Listing P70 1 2 3 4 5 6 7 8 9 10 11 15 12 13 14 16 172 IBM Mobile Systems HMM Volume 1 ...
Page 194: ...182 IBM Mobile Systems HMM Volume 1 ...
Page 211: ...Exploded View 21 11 20 10 1 2 3 4 5 6 7 8 9 13 14 15 16 17 18 19 12 ThinkPad 300 2615 199 ...
Page 213: ...Parts Listing 1 2 3 4 5 6 7 9 8 10 11 12 ThinkPad 300 2615 201 ...
Page 216: ...204 IBM Mobile Systems HMM Volume 1 ...
Page 235: ...ThinkPad 350 Exploded View ThinkPad 350 PS Note 425 2618 223 ...
Page 236: ...ThinkPad 350 Exploded View continued 31 32 33 34 35 36 37 224 IBM Mobile Systems HMM Volume 1 ...
Page 262: ...ThinkPad 500 Exploded View 250 IBM Mobile Systems HMM Volume 1 ...
Page 265: ...Parts Listing 1 2 3 4 5 6 7 8 9 10 11 ThinkPad 500 2603 253 ...
Page 268: ...256 IBM Mobile Systems HMM Volume 1 ...
Page 290: ...ThinkPad 510 Exploded View 2A 13 14 15 2B 278 IBM Mobile Systems HMM Volume 1 ...
Page 294: ...Parts Listing 1 2 3 4 5 6 7 8 9 10 11 282 IBM Mobile Systems HMM Volume 1 ...
Page 295: ...Parts Listing continued 12 13 14 ThinkPad 510 2604 283 ...
Page 318: ...ThinkPad 710T Exploded View 306 IBM Mobile Systems HMM Volume 1 ...
Page 349: ...Parts Listing 1 2 4 5 6 7 2 3 3 8 Expansion Unit 3550 337 ...
Page 390: ...378 IBM Mobile Systems HMM Volume 1 ...
Page 398: ...Parts Listing 1 2 3 4 5 7 8 9 6 2 8 13 10 11 12 6 386 IBM Mobile Systems HMM Volume 1 ...
Page 445: ...Dock II 3546 433 ...
Page 446: ...434 IBM Mobile Systems HMM Volume 1 ...
Page 474: ...462 IBM Mobile Systems HMM Volume 1 ...
Page 488: ...476 IBM Mobile Systems HMM Volume 1 ...
Page 494: ...482 IBM Mobile Systems HMM Volume 1 ...
Page 502: ...IBM Part Number 30H2356 Printed in U S A S82G 15ð1 ð1 ...
Page 503: ......