HP
100LX & 200LX Compatible Parallel Port Sound Cards
DreamBlaster
S2P : General MIDI wavetable synth for parallel port
General MIDI sound for your HP
DOS Palmtop at last !
You already have an OPL3LPT parallel port sound card for
your Palmtop, which is adlib compatible, but you want more?
So here comes the S2P: A full general MIDI compatible
synthesizer for parallel port equipped HP DOS Palmtops.
Prepare for the ultimate punch to Your ears.
Note: To use the Serdaco
S2P, you will need a PCMCIA Parallel port card for
your HP 100LX or 200LX Palmtop.
Watch the HP Palmtop Tube video demonstrating
the Serdaco S2P with an HP 200LX Palmtop running
Leisure Suit Larry III.
OPL3LPT
: Parallel port FM synthesizer sound card, with stereo
amplifier.
An Adlib compatible FM synth
sound card for your parallel port equipped HP DOS Palmtop!
This card is the successor to the OPL2LPT.
It uses the yamaha OPL3 (YM262+YAC512) chipset, and features
a stereo headphone amplifier.
It is backward compatible with OPL2LPT, so the following
software works with OPL3LPT :
DOS game compatibility using the 'adlipt' project :
download executables here : https://github.com/pdewacht/adlipt/releases/latest
Get started quickly playing DOS games, using the DOS
GAME Demo Pack
Note: To use the Serdaco
S2P, you will need a PCMCIA Parallel port card for
your HP 100LX or 200LX Palmtop.
Watch
the HP Palmtop Tube video demonstrating
the Serdaco OPL3LPT with an HP 200LX Palmtop
playing the soundtrack of Planet X3.
CVX4
Covox compatible parallel port DAC sound card
A Parallel port
soundcard with high quality tuning options, compatible
with Covox Speech Thing!
Line out connection, intended to connect to amplified
speakers
Optional Dual Color (Black + Red) high quality enclosure.
No compromises, we wanted to make the best possible covox
clone, and did not spare effort or expenses :
after building 3 prototype generations (CVX1, CVX2, CVX3),
this is now the final version :
CVX4 uses very high precision 0.1% all same value resistors,
and a reverse engineered schematic (based on a real original
covox) for excellent 8 bit sound. Other DIY clones use 1% or
5% resistors, different schematic, ...you can compare...
CVX4 sounds way better...
Note: To use the Serdaco
CVX4, you will need a PCMCIA Parallel port card for
your HP 100LX or 200LX Palmtop.
Watch
the HP Palmtop Tube video "HP200LX
plays BackWithAVengeance! MOD file with CVX4
COVOX clone and Mod Master XT v26" for a
demonstration of the CVX4 playing a MOD file on
an HP 200LX Pamtop.
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Converters,
Cables, MIDI and Adapters
Intelligent
PS/2 to serial mouse converter board
PS/2 to serial converter board : connect a PS/2 mouse to
your HP DOS Palmtop!
Serdashop revision developed together with Matze, and based
on code by Christian Machill.
Connectors:
- RS232 connector : plugs onto your HP DOS Palmtop's
serial cable (requires NULL modem adapter)
- PS/2 connector : plug your PS/2 mouse in here
- USB connector : for 5V supply
MPU-232
RS232 to MIDI interface, compatible with SOFTMPU
Connect
your HP 100LX or 200LX to MIDI devices via your
Palmtop's serial port!
Completely soldered, programmed
and tested boards.
MPU-232 : RS232 to MIDI interface, compatible with
SOFTMPU
- small
size, high quality PCB
- fits
on 9 pin serial port
- MIDI
output DIN connector
- 5V
supply through USB mini connector
- DIP
switches for advanced settings
MP32L
MT32 / Soundfont Raspberry PI hat
Get
authentic MT-32 MIDI music in the games you play on
your HP DOS Palmtop.
The MT32L is a MT32 /
Soundfont compatible synthesizer module, based on
Raspberry PI.
The MT32L PCB is a hat for
the Raspberry PI that is compatible with MT32-P.
MP32L can play SF2 soundfonts and emulate MT32 (when
providing the ROM files).
Features of MP32L:
- high quality DAC
- 3.5mm stereo line out
- Properly Opto-Isolated MIDI DIN input
- OLED display : black background, white pixels
- Control Buttons for easy operation
Power supply input:
- Raspberry PI3A : USB Micro connector, 5V, min 2.5A
- Raspberry PI4B : USB C connector, 5V, min 2.5A
MP32L
Ready To Run options:
DIY option:
Assembled high quality MP32L Pi Hat PCB with button
controls and OLED screen
You need to add your own Raspberry PI, micro SD card,
etc...
Intended for tinkerers
Note: To use the
Serdaco MP32L, you will need a MIDI output on your
HP 100LX or 200LX palmtop, such as the MPU-232 shown
above. You will also need a compatible Raspberry PI
to install the MP32L hat on, and install the MT-32-P
synth software.
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