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An SH Server (SHサーバー, esu icchi saabaa?) is the computing device that contains and processes the Static H-Waves of the Reyvateils, or in other words, their Cosmospheres. As it might be easy to guess, SH Server is simply the abbreviated form of Static Hymmno-Server.

Function

The SH Servers also receive the name of SH_RAM, and are Static H-Wave storage devices made mainly from Parameno[1], which serve as the core of the Song Magic Servers and are the lifelines for all of the Pureblooded Reyvateils. In practical terms, one of the main parts of the Soulspace of the Reyvateils, the Spiritual Standard Frequency, which is contained in their Spectrum Gene and is also present in the D-Cellophane, contains the parameters that indicate to which SH Server said Reyvateil is connected, together with their access authorizations and other system-related matters.[2]

If these Servers were shut down or destroyed, or if the Reyvateils went beyond the reach of their corresponding SH Server's influence, the Reyvateils to which they are connected would lose the connection to their Cosmospheres, causing different effects depending on if they are Purebloods or Halfbloods.[3]

If they are Purebloods, the Triangular Nuclear Loop located within them will stop functioning, with the consequence that their bodies won't be able to continue existing and revert into biofluid, killing them off.

As for the Halfbloods, leaving the Server's range wouldn't cause them great harm because they have still their Soulspaces stored within their brains, with the one in the SH Server being a mere replica of it. However, they would lose their Reyvateil qualities and would have to remain as normal humans.

Additionally, if the Reyvateil enters again her SH Server's area of effect, the Server will synchronize the copy of her Soulspace with the one currently in her brain in a "diff" process that shouldn't take more than a few instants to be performed, though this time might be lengthened depending on how long the Reyvateil remained outside the Server's area of effect.[4] However, if the Server was destroyed, this would cause them a shock large enough to bring about their deaths.

Kinds

There are a two main kinds of SH Servers: the Origin Exclusive Servers, and the β-6D Servers.

Origin Exclusive Server

This type of SH Server is made exclusively to hold the Binary Field and Soulspace of a Reyvateil Origin. Unlike the β-6D Servers, they lack partitioning functions, making them incapable of containing multiple Soulspaces at once. However, this is made up by the fact that these Servers have specialized functions that can't be replicated in any others, such as Shurelia's hard wiring, which allows her to fully control Ar tonelico, or the sampling and recording of ultra-high frequencies unique to Tyria's server.[5]

As an extra note, Tyria's SH Server does support partitioning due to the Archia Think Tank inserting a special SH-RAM area in it, which allows it to emulate the capabilities of the β-6D Servers. However, this was made just in preparation to create the only γ-Sublimated Reyvateil in existence, and it's unknown what would happen if any other Reyvateil was allocated inside it, since Sakia's Cosmosphere by itself occupies the same space that tens of Pureblooded β-types would occupy in β-6D.

Known Origin Exclusive Servers

Shurelia's SH Server (SH_EORIA), Frelia's SH Server (SH_FRELIA), Tyria's SH Server (SH_TYRIA)

β-6D Server

This is a SH Server containing the consciousness of a single incorporeal Reyvateil, called β-6D. However, this large Soulspace is fragmented into several smaller compartments that are used to contain the Cosmospheres of all the Pureblooded β-type and Third Generation Reyvateils.[3] However, it does have the disadvantage of having the same wave frequency limit as a human mind: 10^11 Hz. Due to this, more specialized Reyvateils can't be linked to them and need to have their own dedicated SH Servers.

While the only β-6D Servers currently in existence (Ar tonelico β-6D and Harvestasha β-6D) are very similar, they aren't compatible with each other due to programming differences. In other words, this is due to the support for EXEC_FLIP/. programs that is exclusive to the Harvestasha β-6D.[6]

Finally, there were multiple β-6D Servers during the First Era that had similar specifications to those found in Ar tonelico and Harvestasha, which were owned by private companies. However, all of these were destroyed during the Grathnode Inferia, so no trace of them remains now.[7][8]

References

  1. Ar tonelico Qoga: Knell of Ar Ciel Setting Encyclopedia - Wave Science Lecture, Page 127, Subsection VII "Differences Between the Origins, βs and other Kinds/Why βs can continue Functioning Even During Suspend"
  2. Ar tonelico II: Melody of Metafalica - Encyclopedia, Glossary, D-Cellophane Entry
  3. 3.0 3.1 Ar tonelico Qoga: Knell of Ar Ciel - Encyclopedia, Glossary, SH Server Entry
  4. Ar Portal - Toukousphere Issue #84, Technical Service Center
  5. Ar Portal - Ar Ciel Technical Data Compilation Room Issue #4
  6. Ar Portal - Toukousphere Issue #94, Technical Service Center
  7. Ar Portal - Toukousphere Issue #74, Technical Service Center
  8. Ar Portal - Toukousphere Issue #75, Technical Service Center