Related Service Procedures
This section provides information on the following:
“Power-On Password”
“Reset Button”
“Checking the Installed Devices List”
“ThinkPad File (TPF) Card”
“IC Card Controller”
Power-On Password
Important
This information is not available in this HMM online
format. See your IBM Servicer or IBM Authorized
Dealer for this procedure.
Reset Button
The reset button is used when the computer will not
power-off or there is a system hang. The reset button
resets the power supply regardless of the status of the
microcode.
Checking the Installed Devices List
If a device is installed but the icon appears in gray shade
rather than dark shade on the Test Menu, it means that
the device is defective. Make sure that the device is
connected properly. If the symptom continues, replace the
device or the system board.
FDD, Parallel, and Serial icons are always displayed in
dark shade. That is, these icons represent adapters on
the system board and do not represent external devices.
ThinkPad File (TPF) Card
The TPF card is functionally equivalent to a hard-disk
drive. However, the TPF card utilizes flash-memory for
data storage. The TPF is rugged, noiseless, and uses
very little power.
IC Card Controller
The IC Card controller is integrated on the system board
and can accommodate one IC card (HDD model) or three
cards (TPF model) at the same time. The slots conform to
the PCMCIA Type-2 and JEIDA V4.1.
Product Overview
The following table provides a brief overview of the system
features.
302 IBM Mobile Systems HMM - Volume 1
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