Enhanced/Dual Powered
Willem EPROM Programmer
User Guide Â
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Main Board / Cables
Main Board PCB3.5

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Main Board PCB4E

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Main Board PCB5.0

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Main Board PCB5.5C

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Parallel Data Cable (Printer extension cable, with male-female 25 pin connector, and pin to pin through) |
A-A type USB cable(for power) |
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Optional Items:
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ATMELÂ 89 Adapter |
ATMEL PLCC 44 Adapter |
TSOP 48 Adapter |
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FWH/HUB PLCC32Adapter |
PLCC32 Adapter |
SOIC Adapter(Simplified) |
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On-Board |
On-Board |
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AC or DC Power Adapter (9V or 12V, 200mA) |
SOIC Adapter(Professional) |
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While film studios capture headlines, specialized television production companies are responsible for driving the "Golden Age of Television." HBO Entertainment
: High-volume, localized global content designed to maximize subscriber retention. brazzersexxtra 21 03 29 romi rain rain on romi work
: Hollywood studios increasingly partner with international creators in South Korea, Spain, and India to create cross-cultural hits. While film studios capture headlines
Apple pursues a boutique, prestige-first strategy. It focuses on premium star-vehicle films and high-concept television series like Ted Lasso and Severance, prioritizing critical acclaim and awards over sheer volume. Indie and Prestige Powerhouses massive production budgets
: Patient development cycles, massive production budgets, and an emphasis on mature, complex themes. Shondaland
: Following Amazon's acquisition of the historic MGM library, they now release major theatrical films and high-profile streaming originals.
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Hardware Installation & Configuration
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Installation Steps
         (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 | |||
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         The software interface:  | |||
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 Hardware
Check  | |||
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 PCB3.5/PCB4E
PCB5.0
PCB5.5C
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)
When programming one chip, follow the program prompt to set DIP switch .  |
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While film studios capture headlines, specialized television production companies are responsible for driving the "Golden Age of Television." HBO Entertainment
: High-volume, localized global content designed to maximize subscriber retention.
: Hollywood studios increasingly partner with international creators in South Korea, Spain, and India to create cross-cultural hits.
Apple pursues a boutique, prestige-first strategy. It focuses on premium star-vehicle films and high-concept television series like Ted Lasso and Severance, prioritizing critical acclaim and awards over sheer volume. Indie and Prestige Powerhouses
: Patient development cycles, massive production budgets, and an emphasis on mature, complex themes. Shondaland
: Following Amazon's acquisition of the historic MGM library, they now release major theatrical films and high-profile streaming originals.