Psion Teklogix 7527S User's Guide download pdf (Page 178)

Chapter 17: System Information

Model

166 Psion Teklogix Mobile Devices SDK Developers Guide

17.3 Model

The Psion Teklogix model is one of the following strings:

• 7505 (Ikôn)

• 7527C (WORKABOUT PRO G2-C)

• 7527S (WORKABOUT PRO G2-S)

• 7530

• 7535

• 8515

• 8525

• 8530

• PX750 (NEO)

17.4 Unique Machine Identifier

The Unique Machine Identifier (UID) is a null-terminated string. The string has the format:

• <hardware serial number>-<terminal serial number>

The hardware serial number is supplied by the board manufacturer. The terminal serial number is

entered during manufacture. Both are 12 bytes in length and are returned to the caller as a null ter-

minated string with a '-' separating the serial numbers.

The 753x computers have both serial number strings truncated to 10 digits to maintain compatibil-

ity with earlier releases.

17.5 Psion Teklogix Build Codes

Several system information calls return Psion Teklogix software versions —also called build

codes or date codes. These codes are constructed as follows:

1. [A-L]—a single letter representing the month of the year from January to December.

2. [01-31]—a two-digit number representing the day of the month.

3. [0-9]—a single digit representing the year.

4. [a-x]—a single letter representing the hour when the software was built.

e.g. B058n = February 05, 2008, 2:00 pm

17.6 Setting The Ratio Of Program Memory To Storage Memory

The Mobile Devices SDK enables the setting of the ratio of the amount of memory used for

running programs to the amount of memory used for the object store. A low ratio means more

memory is dedicated to programs. A high ratio reserves more memory for the object store, and

less for programs. For example, setting this ratio to 40% allocates 40% of unused memory to data

storage and the remaining 60% to program storage.

Both memory amounts must be at least 256 kilobytes.

Note: This date code refers only to the specific time that the installed software was compiled.

More recent date codes do not imply more advanced or more stable software builds. This

code should be used only for purposes of identifying the specific software builds and

comparison against other builds on a simple equality/inequality basis.

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Psion Teklogix 7527S User's Guide Page 178