Table 1. Serial touch screen calibration variable values based on system (continued)
System
(screen size)
/dev/ttySn
value
1
driver
2
minimum_X maximum_X minimum_Y maximum_Y
IBM SurePOS
500 4840
4 elographics See “IBM 4820-2xx/4xx/5xx SurePoint Solution serial touch
screen coordinates,” if applicable to your installation.
IBM SurePOS
500 4846-545
4 elographics 71 4003 112 4079
IBM SurePOS
500 4846-565
4 elographics 6 4066 163 4023
IBM SurePOS
500 4851/4951
5 elographics See “IBM 4820-2xx/4xx/5xx SurePoint Solution serial touch
screen coordinates,” if applicable to your installation.
IBM SurePOS
700
4800-7x3/7x3/
7x3
0, 1, 4,or5 microtouch or
elographics
See “IBM 4820-2xx/4xx/5xx SurePoint Solution serial touch
screen coordinates,” if applicable to your installation.
Table notes:
1. If more than one value is listed, use the ttyS number for the RS-232 serial port to which the touch
screen is attached (which is a value one less than the physically enumerated port number, because
ttyS numbering starts with 0 not 1).
2. If more than one value is listed, use microtouch or elographics based on the type of serial touch
screen that is attached to the system:
Table 2. Touch screen drivers by 4820 model
4820 model Touch driver
IBM 4820-42T SurePoint Solution
IBM 4820-4FT SurePoint Solution
IBM 4820-FBT SurePoint Solution
microtouch
IBM 4820-2WN SurePoint Solution
IBM 4820-2WB SurePoint Solution
IBM 4820-2GN SurePoint Solution
IBM 4820-2GB SurePoint Solution
IBM 4820-5WN SurePoint Solution
IBM 4820-5GN SurePoint Solution
elographics
IBM 4820-2xx/4xx/5xx SurePoint Solution serial touch screen
coordinates
The following variables are used in the procedure in this section with the specified, serial-attached
SurePoint Solution:
Table 3. SurePoint Solution serial touch screen coordinate values
System minimum_X maximum_X minimum_Y maximum_Y
IBM 4820-2xx/4xx
SurePoint Solution
0 16350 16350 0
IBM 4820-5xx
SurePoint Solution
-46
Note: This value is
negative.
3922 46 4094
4 Linux OS Configuration
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