PS2NeXT manual ver. 1.0.1@

11/12/2009


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1. Disclamer

  • It is the same as PS2M0115. Please refer to the manual of PS2M0115.

2. Correspondence keyboard

  • It is only the following keyboard that confirms the operation.

The first term of NeXT non-adb keyboard (The return key is a straight line. )
NeXT non-adb keyboard latter term type US  (The return key is reverse-L character. )
NeXT non-adb keyboard latter term type JP  (The return key is reverse-L character. )

  • The following keyboard never works.

NeXT adb keyboard
Canon
  white NeXT keyboard


  • The PC to confirm the operation is only the following.

SHARP Mebius PC-BJ100M (Linux)
OASYS V-BIBLO FMV-5100NU/W (Windows95)
NEC PC-MA10T ( Windows2000,Linux )

  • USB-PS/2 converter to confirm the operation is only the following.

SMILE SA-BAR2
SANWA USB-CVPS1


  • The following USB-PS/2 converter is assumed to be a support off the subject because there is a problem in operation.

Audio Technica ATC-USBPS2
SIGMA PS2USB1BK


3. Feature

  • The NeXT non-adb keyboard can be connected with PC with the PS/2 port.

  • I do not think this kind of product to be marketed.

  • The Fn key like HHK can be used.

  • Left AlphaLock LED is allocated in CapsLock LED and right AlphaLock LED is allocated in NumLock LED.

  • The customizing function and the Fn key function are attached as usual. It is possible to change key assign though left command key is assigned Fn key in default.



4. Cabling

  • The NeXT non-adb keyboard is connected with the Mini-Din5P port of this converter.

  • Connect the converter to the PS/2 port with Mini-Din6P male - male cable. In Akihabara, it was sold for 300 yen-400 yen ..

5. Customizing of keyboard

  • It is the same as PS2M0115. Please refer to the manual of PS2M0115.


6. Map of EEPROM

  • An initial value is as follows.

0x00 00 FA F1 5D 5B 54 43 44 4D EB 00 70 71 DA 00 F2
0x10 F4 69 6B 74 7A 79 F5 72 73 FD F0 66 55 4E 3E 46
0x20 45 6C 75 7D 7B 7C 0E 5D CA 00 5A 52 4C 4B 41 49
0x30 4A 1A 22 21 2A 32 3A 31 29 1C
1B 23 2B 34 42 3B
0x40 33 0D 15 1D 24 2D 3C 35 2C 76 16 1E 26 25 3D 36
0x50 2E 91 11 A7 9F 59 12 14 00 00 00 00 00 00 00 00
0x60 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x70 00 00 00 00 00 00 00 00 00 00 00 00 00 00 77 00
0x80 54 F5 52 F4 4C EB 4A F2 4B FD 49 FA 42 EC 41 E9
0x90 43 FC 44 7E 4D FE 66 F1 0D 58 5B F0 16 05
1E 06
0xA0 26 04 25 0C 2E 03 36 0B 3D 83 3E 0A 46 01 45 09
0xB0 4E 78 55 07 76 77 FF FF FF FF FF FF FF FF FF FF

0xC0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
0xD0 FF FF FF FF FF FF FF FF FF FF 05 00 10 05 FF 9F
0xE0 20 45 4A 16 4B 1E 4C 26 4D 25 50 2E 4F 36 4E 3D
0xF0 1E 3E 1F 46 39 1C 35 32 33 21 3B 23 44 24 3C 2B
  • The address map is as follows.

0x00-0x7F key scancode translation table(NeXTPS/2)
0x80-0xBF Fn key translation table

0xDA PS/2 RX delay
(x100us) ... default 0x05(0.5ms)
0xDB 0...with ten key   1...without ten key

0xDC PS/2 TX delay
(x100us) ... default 0x10(1.6ms)
0xDD polling loop delay
(x100us) ... default 0x05(0.5ms)
0xDE N/A

0xDF Fn key scancode
(PS/2) ... defalut 0x9F(Left Win)
0xE0-0xFF 0-9,A-F key scancode translation table restore data(read only)


7. Explanation

  • The PS/2 key scancode of S key and G key is 0x1B, and 0x34. The NeXT key scancode of that is 0x3A and 0x3D. If you set value 0x34 at address 0x3A,when the "S" key is pushed, "G" is input.

  • The scancode of "2" key is 0x1E.The scancode of "F2" key is 0x06.Loog at the value of address 0x9E and 0x9F.

  • If you set value of address 0xDB to 1,NumLock LED may be turned off at power on.

  • 0xDA, 0xDC, and 0xDD need not change if converter is not unstable.

  • The Fn key is voidable by the set of an unused PS/2 scancode in 0xDF.
  • 0xE0-0xFF is read only.If you change the key assigh of 0-9,A-F key, It returns to the initial state according to the timing of the startup of the converter. In a word, an irreversible change cannot be done.

  • After 5-10 seconds have passed since the converter startup, use the value of 0xDA-0xDF. Moreover, it is not used in "configure mode". In a word, even if the unexpected value is set, it is possible to retrieve.

8. How to use "configure mode"

  • It is the same as PS2M0115. Please refer to the manual of PS2M0115.

9. Extra

  • The microcontroller(PIC12F683)'s  No.2 pin connect to GND(0 Volt) , "configure mode" can be prohibited. However, please do not practice the person who doesn't understand the meaning.


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