Enhanced/Dual Powered

Willem EPROM Programmer

User Guide  

 

Willem Package Item Image

Supported IC List

Installation & Configuration

Jumper Configuraton

Self Test Function

Software Interface

FLASH Chip Programming

EPROM Chip Programming

EEPROM Chip Programming

ATMEL Chip Programming

PIC Chip Programming

AVR Chip Programming

ATMEL AT89 Adapter

ATMEL PLCC44 Adapter

TSOP48 Adapter

 

Willem Package Item Image  

Main Board / Cables

Main Board PCB3.5

Betternet.VPN.Premium.8.8.1. 1322- jhgf.7z

 

Main Board PCB4E

Betternet.VPN.Premium.8.8.1. 1322- jhgf.7z

 

Main Board PCB5.0

Betternet.VPN.Premium.8.8.1. 1322- jhgf.7z

 

Main Board PCB5.5C

Betternet.VPN.Premium.8.8.1. 1322- jhgf.7z

 

Parallel Data Cable (Printer extension cable, with male-female 25 pin connector, and pin to pin through)

A-A type USB cable(for power)

Betternet.VPN.Premium.8.8.1. 1322- jhgf.7z

Betternet.VPN.Premium.8.8.1. 1322- jhgf.7z

                                

          

Optional Items:

ATMEL 89 Adapter

ATMEL PLCC 44 Adapter

TSOP 48 Adapter

Betternet.VPN.Premium.8.8.1. 1322- jhgf.7z

Betternet.VPN.Premium.8.8.1. 1322- jhgf.7z

Betternet.VPN.Premium.8.8.1. 1322- jhgf.7z

FWH/HUB PLCC32Adapter

PLCC32 Adapter

SOIC Adapter(Simplified)

On-Board

On-Board

Betternet.VPN.Premium.8.8.1. 1322- jhgf.7z

AC or DC Power Adapter (9V or 12V, 200mA)

SOIC Adapter(Professional)

 

Betternet.VPN.Premium.8.8.1. 1322- jhgf.7z

Betternet.VPN.Premium.8.8.1. 1322- jhgf.7z

 

 

Supported Device List

Betternet.vpn.premium.8.8.1. 1322- Jhgf.7z [2026]

The archive arrived at midnight, a cool blue icon against the glow of an empty desktop. Its name read like a cipher: Betternet.VPN.Premium.8.8.1.1322-jhgf.7z — a concatenation of brand, version, build and the human scatter of letters that follow all things downloaded in a hurry. I clicked it not because I trusted it, but because curiosity is a light that finds its way into locked rooms.

And if you ever find a file named like this on your own desktop, pause before you open it. Read the timestamps. Listen to the changelog. Consider the keys and the comments left in plain text. A build is a story; the archive, a witness. Betternet.VPN.Premium.8.8.1. 1322- jhgf.7z

I ran the installer in a sandbox, more ritual than assurance. The GUI unfolded in familiar blues and sleeks: “Betternet — Premium.” The promise of seamless tunnels, of encrypted anonymity, of servers in cities I’d never seen. A toggle for a kill switch; a dropdown of protocols; a small checkbox: “Send anonymous usage statistics.” The language was careful, corporate, designed to soothe. That readme file, however, had another cadence. Bullet points. Bug fixes. A line: “Improved stability for intermittent connections” — translator-speak for nights when packets die mid-sentence. The archive arrived at midnight, a cool blue

The archive was more than code; it was a time capsule. Each file timestamp bore the same week in October, an aftertaste of a sprint: last-minute renames, temporary scripts left in, a TODO left open. I imagined the team behind it: a bullpen of developers at café-lit desks, the hum of servers, a whiteboard scrawled with priorities — security, speed, retention policy. Somewhere between “fix memory leak” and “QA sign-off,” someone had typed jhgf and saved. And if you ever find a file named

Inside the compressed container, files nested like Russian dolls: an installer with a dated certificate, a README with a terse changelog, and a folder named keys — tasteful, discreet, impossible to ignore. The installer’s version string promised iteration: 8.8.1, a middle release polished enough to suggest a long road of fixes, small compromises, and feature trades. The build number, 1322, whispered about automated nights of compilation, tests run and forgotten. The suffix jhgf — random, human, perhaps an initialism, perhaps a sigh.

When I closed the sandbox, the archive remained unchanged: a neat bundle of folders and timestamps, an object that could be restored elsewhere. Its name — Betternet.VPN.Premium.8.8.1.1322-jhgf.7z — was both map and mask. It told you where to look and how little you might learn. It carried maintenance scripts and marketing language in equal measure. It assumed the posture of reassurance.

 

Hardware Installation & Configuration

Installation Steps
  

  • Check the parallel printer port setting in the bios, it should be EPP or Normal.
  • Check there are any active resident programs that use the printer port, such as TWAIN drivers. You may have to remove it.
  • Connect one end of the 25 pin SubD parallel cable  to PC printer port
  • Connect the other end  of parallel cable to 25 Pins port of the programmer
  • Connect USB power cable or AC adaptor (Note: if you are working on the EPROM programming. You may need use a AC adaptor, so that you can get Vcc 5.6V and 6.2V when doing programming)
  • The yellow power normal indicator of the programmer should light up, then the programmer power supply is normal.
  • Run the software
  • Select devices type
  • Click the Willem in toolbar to change to PCB3
  • Set the DIP switch based on the displayed pattern.

          (Note: the LPT port of PC MUST set to ECP or ECP+EPP during BIOS setup. To enter the BIOS setting mode, you need press "Del" key or "F1" key during the computer selftest, which is the moment of computer just power up.)

 

Software Version To Use

The software can be download from download.mcumall.com  

There are board hardware selection jumper on the board. When set the jumper to PCB3B, then user have to use 0.97ja and before version software.

If the board selection set to PCB3.5, PCB5.0, PCB5.5C, then the software 0.98D6 should be used.

 

          The software interface:

 

Betternet.VPN.Premium.8.8.1. 1322- jhgf.7z

 

Hardware Check

After start the program, click test hardwar under Help menu. If the connection and power supply is normal, then appears: "Hardware present"   Otherwise check if the programmer connects well with PC, or power supply is normal.

 

Jumper Configuration

 

PCB3.5/PCB4E

Betternet.VPN.Premium.8.8.1. 1322- jhgf.7z  
(Two PLCC32 adapter is not applied on the PCB4E)

 

PCB5.0

Betternet.VPN.Premium.8.8.1. 1322- jhgf.7z

 

PCB5.5C

 

Betternet.VPN.Premium.8.8.1. 1322- jhgf.7z

Note: the Vcc setting jumper only has effect when you are using AC adaptor as power source. For the USB power only 5V Vcc is available.

For the PCB5.5C, set DIP steps:

1. press DIP Set button twice to check current DIP bit position. Then set it again for ON or OFF.

2. press DIP Bit shift button to shift the DIP bit position to where need to set. And then press DIP Set button twice to check current DIP bit position. Then set it again for ON or OFF.

3. Repeat those steps till all DIP bit ae set  same as software indicated.

For PCB5.5C voltage and Special chip selection:

1. Put back the safety jumper.

2. Press the voltage button and hold for 1 second, the voltage LED should move to next. Repeat till desired voltage LED light up.

3. Press the chip selection button and hold for 1 second, the chip LED should move to next. Repeat till desired LED light up.

4. Remove the safety jumper to lock the selected voltage and chip selection

 

DIP Switch (PCB3.5, PCB5.0)

Betternet.VPN.Premium.8.8.1. 1322- jhgf.7z 

When programming one chip,  follow the program prompt to set DIP switch . 

 

 

Self Test Function 

The archive arrived at midnight, a cool blue icon against the glow of an empty desktop. Its name read like a cipher: Betternet.VPN.Premium.8.8.1.1322-jhgf.7z — a concatenation of brand, version, build and the human scatter of letters that follow all things downloaded in a hurry. I clicked it not because I trusted it, but because curiosity is a light that finds its way into locked rooms.

And if you ever find a file named like this on your own desktop, pause before you open it. Read the timestamps. Listen to the changelog. Consider the keys and the comments left in plain text. A build is a story; the archive, a witness.

I ran the installer in a sandbox, more ritual than assurance. The GUI unfolded in familiar blues and sleeks: “Betternet — Premium.” The promise of seamless tunnels, of encrypted anonymity, of servers in cities I’d never seen. A toggle for a kill switch; a dropdown of protocols; a small checkbox: “Send anonymous usage statistics.” The language was careful, corporate, designed to soothe. That readme file, however, had another cadence. Bullet points. Bug fixes. A line: “Improved stability for intermittent connections” — translator-speak for nights when packets die mid-sentence.

The archive was more than code; it was a time capsule. Each file timestamp bore the same week in October, an aftertaste of a sprint: last-minute renames, temporary scripts left in, a TODO left open. I imagined the team behind it: a bullpen of developers at café-lit desks, the hum of servers, a whiteboard scrawled with priorities — security, speed, retention policy. Somewhere between “fix memory leak” and “QA sign-off,” someone had typed jhgf and saved.

Inside the compressed container, files nested like Russian dolls: an installer with a dated certificate, a README with a terse changelog, and a folder named keys — tasteful, discreet, impossible to ignore. The installer’s version string promised iteration: 8.8.1, a middle release polished enough to suggest a long road of fixes, small compromises, and feature trades. The build number, 1322, whispered about automated nights of compilation, tests run and forgotten. The suffix jhgf — random, human, perhaps an initialism, perhaps a sigh.

When I closed the sandbox, the archive remained unchanged: a neat bundle of folders and timestamps, an object that could be restored elsewhere. Its name — Betternet.VPN.Premium.8.8.1.1322-jhgf.7z — was both map and mask. It told you where to look and how little you might learn. It carried maintenance scripts and marketing language in equal measure. It assumed the posture of reassurance.