SHAFT AS-MOTOR 5505782 - Caterpillar

Types of Firmware
There are nine locations in flash memory in order to write to firmware. Each location supports a specific type of file. Only specific locations are written on certain models with certain options. Refer to Table 1 for the type of file that is specific to your system.
Table 1
Location in Flash    Type of File
Supported    Model of UPS    
"Byte-wide Flash Power PC"     APS*.mot (1)
APSBT*.mot (1)     Single-Module System (UPS 250)
Multiple Module System (UPS 250)
UPS 300    
Internal MPC555 Flash     ALI_internal_Compress*.mot (1)     UPS 300    
"Serial Flash FPGA 1"     apc1*.ttf (1)     Single-Module System (UPS 250)    
"Serial Flash FPGA 2"     apc2*.ttf (1)     Single-Module System (UPS 250)    
"Serial Flash GSC FPGA"     gsc*.ttf (1)     Multiple Module System (UPS 250)
UPS 300    
"Serial Flash PCC FPGA"     pcc*.ttf (1)     Multiple Module System (UPS 250)
UPS 300    
"Serial Flash ZZC FPGA"     zzc*.ttf (1)     Multiple Module System (UPS 250)
UPS 300    
"Serial Flash FPGA 20k"     apc*.ttf (1)     Multiple Module System (UPS 250)
UPS 300    
"Compressed Power PC Application "     APSLI_COMPRESS*.mot (1)     Multiple Module System (UPS 250)
UPS 300    
( 1 ) The * symbol indicates that there are more characters or more numbers in the filename. These characters represent the changes in the software revisions. Refer to Testing and Adjusting, "Firmware - Update" for the procedure to update the firmware.