Switching To [Write To Disk Mode]; Usb Descriptor Change Function; Correspondence File System; Card Reader Driver Function (Macintosh) - Epson Stylus PHoto 875DC Service Manual

EPSON Stylus PHOTO 875DC
7. Make folder
8. Delete folder
9. Rename folder

1.4.2.7 Switching to [Write to Disk mode]

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Switching between [Read Only mode] and [Write to Disk mode] is
bidirectionally possible.
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Switching between the [Read Only mode] and [Write to Disk mode] is
implemented in condition without a media being inserted. Mode
change is carried out by executing the application software "EPSON
USB RW Switcher". The result comes into effect at the time of the
next media insertion.
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Since the [Read Only mode] driver and [Write to Disk mode] driver are
the same driver, installation is unnecessary.
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The mode information is preserved to Windows Registry. Mode
change is done by referring to the registry when the host is powered
on.
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Registry entry that controls this mode is as follows.
HKEY_LOCAL_MACHINE¥Enum¥ESDI¥EPSON___PM800DCSTORAGE
The key is as follows:
Readonly (Binary, 00 = [Write to Disk mode], 01 = [Read Only mode])

1.4.2.8 USB Descriptor change function

This function rewrites USB Descriptor of the card reader by using the API.
The item that rewrites is as follows.
1. iProduct strings (UNICODE, maximum 23 characters)
2. iSerialNumber strings (UNICODE, maximum 12 characters)

1.4.2.9 Correspondence file system

The file system that corresponds is as follows.
1. FAT (VFAT)
2. FAT32
PRODUCT DESCRIPTIONS

1.4.3 Card Reader Driver Function (Macintosh)

1.4.3.1 Drive form

The card reader is recognized to OS as the removable disk drive.

1.4.3.2 Card information acquisition

This function acquires the insertion condition of the PCMCIA card from
the card reader and can notify the application software of it. Information
acquisition uses USB Control/Bulk transfer when API is called.

1.4.3.3 Disk information acquisition

The application software can acquire the following information regarding
the card reader by using the API.
1. Volume Reference Number
2. Driver Reference Number
3. Volume Name
4. Serial Number of the Card Reader
Also, when multiple card readers exist on USB, the application software
can acquire each pair of the serial number and disk name.

1.4.3.4 Drive information acquisition

The application software can acquire the following information regarding
the card reader by using the API.
1. Write Protect Status
2. USB String descriptor, iManufacturer strings (product maker)
3. USB String descriptor, iProduct strings (product name)
4. USB String descriptor, iSerialNumber strings (serial number)

1.4.3.5 Correspondence language

It corresponds to seven language of OS (Japanese, English, French,
Italian, German, Spanish, Portuguese).
Function
Revision A
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