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DIATEC Filco Majestouch N-key rollover Brown Switch Keyboard Review

Others/Mice & Keyboards by stefan @ 2010-11-10

The DIATEC Filco Majestouch is definitely not your average LAN gaming keyboard, but more for home office/gaming purposes. Typing on it is a real pleasure, thanks to the Cherry MX Brown switches it incorporates and it is also very durable.

Features and Specifications

Features:

A true N-key rollover

It is the functionality by which all the typed keys are recognized on the PC, evenwhen many keys are typed simulteneously.
All the keys typed simulteneously are recognized on the PS/2.
(Limited to 6 keys typed simulteneously for the USB due to the specifications of USB.)
A completely dedicated electronic circuitry to this model !
On our models a diode is soldered on the printed circuit for every key switch to prevent from countercurrency.

Compatibility with USB and PS/2

A USB cable is connected to the keyboard. Plug&Play is available on each Windows system.
A PS/2 interface is also available to use the PS/2 Conversion Adapter included in the package

An excellent key touch by MX tactile feel

Key switch; Cherry MX key switch (Brown Switch, tactile feel)
A long key stroke of 4mm and the contact point at 2mm between the key stroke.
Easy, fast and stress-free typing for the famous features of Cherry MX tactile feel

A Rigid Construction of Case Structure

A rigid construction of case structure for a sure and comfortable typing
The specially designed font on the key top for the better visibility
A stylish and lasting appearance

Specifications:

Comment from jmke @ 2010/11/10

First time I see an USB to PS/2 converter actually recommended over native USB

PS/2 does still have some advantage over USB it seems, too bad many if not almost all motherboards are now shipping without PS/2.

Comment from Stefan Mileschin @ 2010/11/10

Never had keyboard init delays at POST using PS/2. Some keyboards take longer to initialize and it is almost impossible sometimes to enter BIOS.

Comment from jmke @ 2010/11/10

ramming the DEL key is a known habit of OCers to get into the BIOS

Comment from Stefan Mileschin @ 2010/11/11

Other useful information:

Seems USB limits the NKRO:

"USB limits the rollover to 6 keys plus certain modifiers: Shift, CTRL, ALT, WIN. Other non-ALPHA keys such as Spacebar, CapsLock, TAB and Menu will limit key recognition to 5. This is commonly referred to as the 6+4 USB Limitation. "

source: http://geekhack.org/showwiki.php?tit...gy+and+Results

NKRO feature is fully supported on PS/2:

"Filco Majestouch FKBN104M/EB (n-key rollover model)
Interface: PS/2
OS: Ubuntu 7.10
Keys: more than I can press

I tested the key combos I listed above: QW-AS, QWE-ASD, QWER-ASDF, etc. It passed all of them, at least until I ran out of fingers (up to 20 keys, pressing 2 keys at once with each finger)."

source: http://geekhack.org/showpost.php?p=59495&postcount=23

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