Editing Topre short-throw keyboards (section)

==PS/2 connector==
===HE0100===
The HE0100 is one of the more readily available of the Topre short-throw keyboards. The HE0100 has a black case and white/grey keycaps. The dimensions of the HE0100 appear to be slightly different than other variants in that the front edge of the keyboard is straight, not curved. It interfaces via detachable PS/2 connector on the right side. It is 300 mm long and 170 mm wide. The HE0100 was also included with a Japanese IBM tablet, the 9103-A22<ref name="komotch2-HE0100"/>.

[[File:User1589 pic64 1254427856.jpg|300px|HE0100]]

===MD01B0===
The MD01B0 is also relatively common like the HE0100 and appears on auction sites like Taobao and Yahoo Auctions Japan from time to time. The MD01B0 has a white case, with white/grey keycaps and the same 90-key Japanese layout as the the HE0100. It interfaces via detachable PS/2 connector on the left side. It is 300 mm long and 180 mm wide.

[[File:MD01B0 - Front.jpg|300px|MD01B0]]

===DG0300===
Not much information is available for this keyboard, but it looks to be similar to the MD01B0 in both colour and dimensions. It also has the same 90-key Japanese layout. The dimensions, location of PS/2 connector and whether or not this keyboard has height-adjustable feet are unknown.

===DG03B0===
This board is also similar in appearance to the MD01B0. It interfaces via detachable PS/2 connector on the left side. It has height-adjustable feet and shares the same 320×180 mm dimensions.

===DG03C0 / DG03C===
Another variation of the DG0300. It interfaces via detachable PS/2 connector on the right side. It has height-adjustable feet and appears to have the same 320×180 mm dimensions as the DG03B0. Model names DG03C0 and DG03C<ref name="MouseFan-DG03C"/> have been reported. It is unknown if there is any difference between the two.

===M6905-4===
The M6905-4 is cosmetically similar to the MD01B0, however it has been rebranded as Mitsubishi. It also does not have height-adjustable feet. Like the MD01B0, it interfaces via PS/2 connector on the left side. The M6905-4 is 300 mm long and 180 mm wide.

===HT-3731-3S5===
The HT-3731-3S5 is a HITACHI branded version that looks to be identical to the M6905-4. It does not have height-adjustable feet and also interfaces via PS/2 connector on the left side of the board. It is likely 300mm x 180mm but this is unconfirmed.