Sd Card; File System; Directory - CipherLab 8600 Reference Manual

1.8 SD CARD

SD card can be accessed directly by using the provided functions in user applications. Yet,
when the mobile computer is equipped with an SD card and connected to the host
computer via the USB cable, it can be treated as a removable disk (USB mass storage
device) as long as it is configured properly through programming or via System Menu |
8. Next Page | 1. Storage Menu | 1. Run As USB Disk. Refer to
Note: While running BASIC applications, the size of DAT files on SD card can be
calibrated. Go to System Menu | 8. Next Page | 1. Storage Menu | 2. Access
SD Card | 4. Check File Size to refresh the size of "A:\BASICRUN\TXACTn.DAT"
(n=1~6).

1.8.1 FILE SYSTEM

For 8600 Series, it supports FAT12/FAT16/FAT32 and allows editing files through C
programming or formatting the card via System Menu | 8. Next Page | 1. Storage
Menu | 2. Access SD Card. Based on the capacity of the card, it will automatically
decide the FAT format:
Card Capacity
≦ 32 MB
≦ 1 GB
≦ 2 GB
≦ 8 GB

1.8.2 DIRECTORY

Unlike the file system on SRAM, the file system on SD card supports directories of
hierarchical tree structure and allows creating sub-directories. Several directory names
are reserved for particular use.
Reserved Directory Related Application or Function
\Program
\BasicRun BASIC Runtime
FAT Format
FAT12
FAT16
FAT16
FAT32
System Menu | Load Program
Program Manager | Download
Program Manager | Activate
Kernel Menu | Kernel Update
UPDATE_BASIC()
Chapter 1 Using The Mobile Computer
3.8 Storage
Sectors per Cluster
32
32
64
8
Remark
Store programs to this folder so that you can
download them to the mobile computer:
C program — *.SHX
BASIC program — *.INI and *.SYN
Store DAT and DBF files that are created and
accessed in BASIC runtime to this folder.
Their permanent filenames are as follows:
Menu.
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