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SurePOS 100 Technical Reference
Page 17 of 104
Lens Cap Removal Force 500 grams minimum
Key Cap Nomenclature Preprinted key labels
6.1.1.1 Keyboard/MSR Controller IC
Item Specification Notes
Upstream Host Interface PS/2 Keyboard
Downstream interfaces 96 key Scan Matrix wires
MSR buffered read head output
PS/2 Keyboard Port
FLASH Upgradeable
Firmware
Yes
MSR interface Wedge functionality MSR data converted to keyboard
scan codes and appear as keyboard
input
Wedge Data Speed Control Slow, Medium, High Selectable in POST Setup.
Data Speed is the rate which
keyboard scan codes are transmitted
from keyboard controller to Host PS/2
port. This feature allows adjusting the
rate for problems that exists with
some software applications.
6.1.1.2 Keyboard Wedge Considerations
Many keyboard “wedge” devices exist in the market. These plug into a PS/2 port and transmit data to the
application as keyboard scan codes.
IBM cannot guarantee that all wedge devices will work. As with any other open system, the
system Integrator must test with all software and I/O being offered as a complete solution to
end users.
6.1.2 Keylock
The SurePOS 100 Terminal contains a 3-position keylock that can be read by an application program.
One of the positions can also be used to prevent the terminal from booting. This non-booting mode is a
configuration option that can be enabled or disabled by the user.
The keylock does not provide any physical (cover-locking) security.
The keylock is the same style keylock used on other IBM POS equipment and is available with a
variety of key configurations.
6.1.3 Magnetic Stripe Reader (MSR)
Each terminal is shipped with an integrated 3- track MSR. Supported tracks are: