Card aegis (non-DRM)
Write protection
When searching at the agenda from the top, the appropriate ancillary (the ancillary with the askew corner) accept to be notched.
On the larboard side, there may be a write-protection notch. If the cleft is omitted, the agenda can be apprehend and written. If the agenda is notched, it is read-only, except that the cleft may be partly covered by a sliding tab. In this case, the user can accelerate the tab advancement (toward the contacts) to acknowledge the agenda read/write, or bottomward to acknowledge it read-only.
The attendance of a notch, and the attendance and position of a tab, accept no aftereffect on the SD card's operation. A host accessory that supports address aegis should debris to address to an SD agenda that is appointed read-only in this way. Some host accessories do not abutment address protection, which is an alternative affection of the SD specification. Host accessories that do obey a read-only adumbration may accord the user a way to override it. The miniSD and microSD formats do not abutment address aegis with the notch-and-tab method.
Typical cards awash as a average for adequate agreeable are assuredly apparent read-only by accepting a cleft and no sliding tab.
Card password
A host accessory can lock an SD agenda appliance a countersign of up to 16 bytes, about supplied by the user. A bound agenda interacts commonly with the host accessory except that it rejects commands to apprehend and address data. A bound agenda can be apart alone by accouterment the aforementioned password. The host accessory can, afterwards bartering the old password, specify a new countersign or attenuate locking. After the countersign (typically, in the case that the user forgets the password), the host accessory can command the agenda to abolish all the abstracts on the agenda for approaching re-use (except agenda abstracts beneath DRM), but there is no way to accretion admission to the absolute data.
edit DRM features
All SD cards absorb a agenda rights administration (DRM) scheme. Roughly 10% of the accumulator accommodation of an SD agenda is not attainable to the user, but is acclimated by the on-card processor to verify the character of an appliance affairs that it will afresh acquiesce to apprehend adequate content. The agenda prohibits added accesses, such as users aggravating to accomplish copies of adequate files.
The DRM arrangement anchored in the SD cards is the Agreeable Aegis for Recordable Media (CPRM or CPPM) blueprint of the 4C Entity, which actualization the Cryptomeria blank (also termed C2). The blueprint is kept abstruse and is attainable alone to licensees. The arrangement has not been torn or hacked, but this affection of SD cards is rarely acclimated to assure content. DVD-Audio uses the aforementioned DRM scheme.
Windows Media files can be DRM-encoded so as to accomplish use of the SD card's DRM abilities.citation needed
Windows Buzz 7 accessories use SD cards advised to be accessed alone by the buzz architect or adaptable provider. An SD agenda amid into the buzz beneath the array alcove becomes bound "to the buzz with an automatically generated key" so that "the SD agenda cannot be apprehend by addition phone, device, or PC".31 Symbian devices, however, are some of the actual few which can accomplish the all-important low-level architecture operations on bound SD cards. It is accordingly accessible to use a accessory such as the Nokia N8 to reformat the agenda for consecutive use in added devices.32
The Super Agenda cards bogus by Super*Talent are the aforementioned in actualization and action as Secure Agenda cards, but they abridgement the CPRM affection of Secure Agenda cards.33
edit Vendor enhancements
SD cards with dual-interface SD and USB connections
SanDisk cards in assorted colors
Vendors accept approved to differentiate their articles in the bazaar through assorted vendor-specific features:
Integrated Wi-Fi — Eye-Fi produces several SD cards with congenital Wi-Fi transceivers accouterment changeless aegis (WEP 40; 104; and 128, WPA-PSK, and WPA2-PSK). The agenda lets any agenda camera with an SD aperture address captured images over a wireless network, or abundance the images on the card's anamnesis until it is in ambit of a wireless network.34 Some models geotag their pictures.
Pre-loaded agreeable — In 2006, SanDisk appear Gruvi, a microSD agenda with added Agenda Rights Administration (DRM) features, with which to use anamnesis cards as a average to advertise content. SanDisk afresh appear pre-loaded cards in 2008, beneath the slotMusic name, this time not appliance any of the DRM capabilities of the SD card.35 In 2011, SanDisk offered assorted collections of 1000 songs on a individual slotMusic agenda for about $40,36 now belted to accordant accessories and after the adeptness to archetype the files.
Integrated USB adapter — The SanDisk SD Plus artefact can be acquainted anon into a USB anchorage after defective a USB agenda reader.37 Added companies alien commensurable products, such as the Duo SD artefact of OCZ Technology and the 3 Way (microSDHC, SDHC, and USB) artefact of A-DATA, which was attainable in 2008 only.
Different colors — SanDisk has acclimated assorted colors of artificial or adhering label, including a "gaming" band in clear-cut artificial colors that adumbrated the card's capacity.
Integrated affectation — In 2006, A-DATA appear a Super Info SD agenda with a agenda affectation that provided a two-character characterization and showed the bulk of bare anamnesis on the card.38
Write protection
When searching at the agenda from the top, the appropriate ancillary (the ancillary with the askew corner) accept to be notched.
On the larboard side, there may be a write-protection notch. If the cleft is omitted, the agenda can be apprehend and written. If the agenda is notched, it is read-only, except that the cleft may be partly covered by a sliding tab. In this case, the user can accelerate the tab advancement (toward the contacts) to acknowledge the agenda read/write, or bottomward to acknowledge it read-only.
The attendance of a notch, and the attendance and position of a tab, accept no aftereffect on the SD card's operation. A host accessory that supports address aegis should debris to address to an SD agenda that is appointed read-only in this way. Some host accessories do not abutment address protection, which is an alternative affection of the SD specification. Host accessories that do obey a read-only adumbration may accord the user a way to override it. The miniSD and microSD formats do not abutment address aegis with the notch-and-tab method.
Typical cards awash as a average for adequate agreeable are assuredly apparent read-only by accepting a cleft and no sliding tab.
Card password
A host accessory can lock an SD agenda appliance a countersign of up to 16 bytes, about supplied by the user. A bound agenda interacts commonly with the host accessory except that it rejects commands to apprehend and address data. A bound agenda can be apart alone by accouterment the aforementioned password. The host accessory can, afterwards bartering the old password, specify a new countersign or attenuate locking. After the countersign (typically, in the case that the user forgets the password), the host accessory can command the agenda to abolish all the abstracts on the agenda for approaching re-use (except agenda abstracts beneath DRM), but there is no way to accretion admission to the absolute data.
edit DRM features
All SD cards absorb a agenda rights administration (DRM) scheme. Roughly 10% of the accumulator accommodation of an SD agenda is not attainable to the user, but is acclimated by the on-card processor to verify the character of an appliance affairs that it will afresh acquiesce to apprehend adequate content. The agenda prohibits added accesses, such as users aggravating to accomplish copies of adequate files.
The DRM arrangement anchored in the SD cards is the Agreeable Aegis for Recordable Media (CPRM or CPPM) blueprint of the 4C Entity, which actualization the Cryptomeria blank (also termed C2). The blueprint is kept abstruse and is attainable alone to licensees. The arrangement has not been torn or hacked, but this affection of SD cards is rarely acclimated to assure content. DVD-Audio uses the aforementioned DRM scheme.
Windows Media files can be DRM-encoded so as to accomplish use of the SD card's DRM abilities.citation needed
Windows Buzz 7 accessories use SD cards advised to be accessed alone by the buzz architect or adaptable provider. An SD agenda amid into the buzz beneath the array alcove becomes bound "to the buzz with an automatically generated key" so that "the SD agenda cannot be apprehend by addition phone, device, or PC".31 Symbian devices, however, are some of the actual few which can accomplish the all-important low-level architecture operations on bound SD cards. It is accordingly accessible to use a accessory such as the Nokia N8 to reformat the agenda for consecutive use in added devices.32
The Super Agenda cards bogus by Super*Talent are the aforementioned in actualization and action as Secure Agenda cards, but they abridgement the CPRM affection of Secure Agenda cards.33
edit Vendor enhancements
SD cards with dual-interface SD and USB connections
SanDisk cards in assorted colors
Vendors accept approved to differentiate their articles in the bazaar through assorted vendor-specific features:
Integrated Wi-Fi — Eye-Fi produces several SD cards with congenital Wi-Fi transceivers accouterment changeless aegis (WEP 40; 104; and 128, WPA-PSK, and WPA2-PSK). The agenda lets any agenda camera with an SD aperture address captured images over a wireless network, or abundance the images on the card's anamnesis until it is in ambit of a wireless network.34 Some models geotag their pictures.
Pre-loaded agreeable — In 2006, SanDisk appear Gruvi, a microSD agenda with added Agenda Rights Administration (DRM) features, with which to use anamnesis cards as a average to advertise content. SanDisk afresh appear pre-loaded cards in 2008, beneath the slotMusic name, this time not appliance any of the DRM capabilities of the SD card.35 In 2011, SanDisk offered assorted collections of 1000 songs on a individual slotMusic agenda for about $40,36 now belted to accordant accessories and after the adeptness to archetype the files.
Integrated USB adapter — The SanDisk SD Plus artefact can be acquainted anon into a USB anchorage after defective a USB agenda reader.37 Added companies alien commensurable products, such as the Duo SD artefact of OCZ Technology and the 3 Way (microSDHC, SDHC, and USB) artefact of A-DATA, which was attainable in 2008 only.
Different colors — SanDisk has acclimated assorted colors of artificial or adhering label, including a "gaming" band in clear-cut artificial colors that adumbrated the card's capacity.
Integrated affectation — In 2006, A-DATA appear a Super Info SD agenda with a agenda affectation that provided a two-character characterization and showed the bulk of bare anamnesis on the card.38
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