To begin with, Power Manager was never made to run on a T40. I will work, but with limited functionality. Even so, Battery MaxiMiser for the T40 does not have as many features available for the T40 as it does for the T42.
Drivers and software - ThinkPad T40, T40p, T41, T41p
Battery MaxiMiser and Power Management features for Windows - ThinkPad General
This package contains the following small packages for Microsoft Windows 95/98/Me/NT 4.0/2000/XP users:
- ThinkPad Battery MaxiMiser and Power Management Features
- ThinkPad Battery Information Support Driver I, II, and III
Note:
Some features of this software may not be available on certain ThinkPad systems.
This package enables or updates the utility programs for the following systems:
ThinkPad 570, 570E
ThinkPad 600, 600E, 600X
ThinkPad 770(*8), 770E, 770ED, 770X, 770Z
ThinkPad A20m, A20p, A21e, A21m, A21p, A22m, A22p, A22e,A30, A30p,A31, A31p (*1)
ThinkPad G40 (*7), G41(*5)
ThinkPad R32, R40 (*4), R40e (*6), R50 (*5), R50e (*5), R50p (*5), R51 (*5)
ThinkPad T20, T21, T22, T23, T30 (*3), T40 (*4), T40p (*5), T41 (*4), T41p (*5), T42 (*4), T42p (*5), T43 Model 26xx (*10)
ThinkPad X20, X21, X22, X23, X24, X30 (*4), X31 (*4), X32 (*9), X40 (*9)
ThinkPad i Series 1157 (*1)
ThinkPad TransNote (*3)
http://www-307.ibm.com/pc/support/site. ... MIGR-44226
Power Manager for Windows XP - ThinkPad
This package installs Power Manager utility programs for Microsoft Windows XP Home Edition, XP Professional and XP Tablet PC Edition 2005.
If this package has been installed, updating (overwrite-installing) this package will fix problems, add new functions, or expand functions as noted below.
This package supports the following systems:
- ThinkPad Reserve Edition
- ThinkPad R51e, R52
- ThinkPad R60, R60e, R61, R61e, R61i
- ThinkPad R400, R500
- ThinkPad SL300, SL400, SL500
- ThinkPad T400, T400s, T500
- ThinkPad T43, T43p
- ThinkPad T60, T60p, T61, T61p
- ThinkPad W500, W700, W700ds
- ThinkPad X32
- ThinkPad X40, X41, X41 Tablet
- ThinkPad X60, X60s, X60 Tablet, X61, X61s, X61 Tablet
- ThinkPad X200, X200s, X200 Tablet, X300, X301
- ThinkPad Z60m, Z60t, Z61e, Z61m, Z61p, Z61t
http://www-307.ibm.com/pc/support/site. ... MIGR-70602