Storage: Difference between revisions - Pyra Wiki

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(reorganization, also mention SD cards have MMC interface)
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The Pyra has a range of options for data storage. these are:
The Pyra has a range of options for data storage.  


*Two full-size SDXC card slots (externally accessible)
== Internal eMMC Memory ==
*One microSDXC card slot (behind battery)
*One SIM card slot (behind battery)(on models with WWAN hardware)
*Internal eMMC solid-state memory with 32GB Capacity on the detachable [[CPU-Board]]
*Two USB 2.0 host ports
*One microUSB 3.0 otg (host-slave) port (can be used for charging)
*One external eSATA port (via adaptor)


It should be noted that although the eSATA support is only via an active adaptor which plugs into a USB port, this is not a USB-to-eSATA adaptor. The additional pins that would normally be taken up with USB3.0 signalling have been used for SATA signals. This allows far higher transfer rates than would be possible over USB. In addition, should a SOC become available in future with a second USB3.0 interface, it could be routed through the existing connector to provide a dedicated USB3.0 host port.
Solid-state memory with 32GB capacity on the detachable [[CPU-Board]], where the default operating system will be installed, and where you can put games, applications, and other content.


The microSDXC card and internal eMMC use the same interface to the SOC, but controlled by a software-managed switch, allowing both to be accessed near-simultaneously, albeit with a decrease in throughput.
== SD Card Slots ==
 
The Pyra has two full-sized SDXC card slots, externally accessible, via an [https://pyra-handheld.com/boards/threads/what-a-great-start-prepare-for-the-next-level.77376/page-8#post-1378349 MMC interface] (not USB).
 
It also a microSDXC card slot behind the battery, which shares with the internal eMMC memory the same interface to the SOC, but controlled by a software-managed switch.  This allows both to be accessed near-simultaneously, albeit with a decrease in throughput.
 
== eSATA via Adapter ==
 
eSATA support comes via an active adapter which plugs into a USB port, but it is not a USB-to-eSATA adapter -- the additional pins that would normally be taken up with USB 3.0 signalling have been used for SATA signals. This allows far higher transfer rates than would be possible over USB. In addition, should a SOC become available in future with a second USB 3.0 interface, it could be routed through the existing connector to provide a dedicated USB 3.0 host port.
 
== Miscellaneous ==
 
Other data storage options:
 
*Two USB 2.0 host ports, can connect flash drives etc.
*One microUSB 3.0 otg (host-slave) port (can also be used for charging)
*One SIM card slot (behind battery, on models with WWAN hardware)


See also: [[USB]], [[Peripherals]]
See also: [[USB]], [[Peripherals]]

Revision as of 02:37, 11 May 2016

The Pyra has a range of options for data storage.

Internal eMMC Memory

Solid-state memory with 32GB capacity on the detachable CPU-Board, where the default operating system will be installed, and where you can put games, applications, and other content.

SD Card Slots

The Pyra has two full-sized SDXC card slots, externally accessible, via an MMC interface (not USB).

It also a microSDXC card slot behind the battery, which shares with the internal eMMC memory the same interface to the SOC, but controlled by a software-managed switch. This allows both to be accessed near-simultaneously, albeit with a decrease in throughput.

eSATA via Adapter

eSATA support comes via an active adapter which plugs into a USB port, but it is not a USB-to-eSATA adapter -- the additional pins that would normally be taken up with USB 3.0 signalling have been used for SATA signals. This allows far higher transfer rates than would be possible over USB. In addition, should a SOC become available in future with a second USB 3.0 interface, it could be routed through the existing connector to provide a dedicated USB 3.0 host port.

Miscellaneous

Other data storage options:

  • Two USB 2.0 host ports, can connect flash drives etc.
  • One microUSB 3.0 otg (host-slave) port (can also be used for charging)
  • One SIM card slot (behind battery, on models with WWAN hardware)

See also: USB, Peripherals

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