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OPL2LPT

OPL2LPT Solder kit / Hand soldered board

€ 35,00
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OPL2 'adlib' FM synthesis sound card for the parallel port.

Available as High quality solder kit.
For a completely soldered PCB, have at the new  OPL3LPT, which is compatible with OPL2LPT



This OPL2LPT kit :
  - includes authentic legendary Yamaha OPL2 chips. 
  - includes a headphone amp


A limited amount of kits is available. For presoldered boards, have a look at OPL3LPT.

See this soldering tutorial. The components exactly match the description.

DOS game compatibility using the 'adlipt' project : download executables here : https://github.com/pdewacht/adlipt/releases/latest​

Downloads also available at http://serdaco.com/downloads/?dir=OPL2LPT

Compatibility notice Dec 15th, 2018 : To solve compatibility issues with certain old PC types like PCJr, a 1k pull up resistor can be added to the strobe pin. All kits sold, from now on, will include this additional 1k resistor. Find the details here.

The board has 1 button : reset button
The board has 1 jumper : JBB : Jepeal Bass Boost : for more bassy sound
--- --- --- --- --- --- --- --- --- --- 
OPL2LPT/OPL3LPT is wired up to the following pins
 1: A0       ->  /Strobe   CTRL-0
 2: D0      <->  Data0
 3: D1      <->  Data1
 4: D2      <->  Data2
 5: D3      <->  Data3
 6: D4      <->  Data4
 7: D5      <->  Data5
 8: D6      <->  Data6
 9: D7      <->  Data7
14: /RD      ->  /Linefeed CTRL-1
16: /WR      ->  Init      CTRL-2
17: A1       ->  /Select   CTRL-3    (only for opl3lpt)
--- --- --- --- --- --- --- --- --- --- 









Here is an article by Vincent Bernat how to use OPL2LPT under linux, and comparison of DOS emulator performances. Here is the video where he compares on different DOS emulators



OPL2LPT demo and assembly video by 'the soundcard database' :
 

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