Product  overview 
This  section  presents  the  following  product-unique 
information: 
v  “Specifications” 
v  “Status  indicators  for  X40”  on  page  53 
v  “FRU  tests”  on  page  55 
v  “Fn  key  combinations”  on  page  57
Specifications 
 
Feature  Description 
Processor 
v  Intel
®
 
Pentium
®
 
M  Processor  Ultra  Low 
Voltage  1.0  GHz,  L2  1  MB  cache 
v  Intel
®
 
Pentium
®
 
M  Processor  Low  Voltage 
1.2  GHz,  L2  1  MB  cache 
v  Intel
®
 
Pentium
®
 
M  Processor  Low  Voltage 
1.3  GHz,  L2  1  MB  cache 
v  Intel
®
 
Pentium
®
 
M  Processor  Ultra  Low 
Voltage  713  (1.1  GHz),  L2  1  MB  cache 
v  Intel
®
 
Pentium
®
 
M  Processor  Low  Voltage 
738  (1.4  GHz),  L2  2  MB  cache 
Memory  (standard)  v  256  MB  SDRAM  on-board  (PC2700) 
v  512  MB  SDRAM  on-board  (PC2700) 
Memory  (optional)  v  PC2700  128  MB  Memory  200pin  JEDEC 
Standard  SO-DIMM 
v  PC2700  256  MB  Memory  200pin  JEDEC 
Standard  SO-DIMM 
v  PC2700  512  MB  Memory  200pin  JEDEC 
Standard  SO-DIMM 
v  PC2700  1024  MB  Memory  200pin  JEDEC 
Standard  SO-DIMM
(maximum
  of  1280  MB  for  256M  Model  & 
1536  MB  for  512  Model) 
Bus  architecture  v  HUB  link 
v  PCI  bus 
v  LPC  bus 
Video  v  Graphics  chip:  Intel  855GME 
v  Total  video  memory:  UMA,  64MBmax 
CMOS  RAM  v  242  bytes 
Hard  disk  drive 
v  20.0  GB,  1.8-inch,  IDE  interface 
v  40.0  GB,  1.8-inch,  IDE  interface 
Display  v  12.1-inch,  16M  colors,  XGA  (1024  ×  768 
resolution)  TFT  color  LCD
 
(continued) 
Product  overview 
ThinkPad  X40  51