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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Like buying a brand-new car directly from the manufacturer, these are bonds being sold for the first time. On Fidelity, you can often buy these at par value ($1,000) without paying extra commissions or concessions.
For the ultimate safety, these are backed by the government and are often exempt from state and local taxes. fidelity buy bonds
This is the "used car" lot where you buy bonds from other investors. Prices might be higher or lower than the original price depending on current interest rates. 2. Picking Your Path As you browse, you filter your options based on your goals: Like buying a brand-new car directly from the
These offer higher yields but come with more risk depending on the company's credit rating (from AAA down to junk status). 3. Setting the Terms Individual bonds | Reasons to consider bonds | Fidelity This is the "used car" lot where you
Here is the story of how an investor typically navigates this process: 1. Finding the Right "Vehicle"
Imagine you are looking for a reliable way to grow your savings. You log into your account and head to the Fixed Income, Bonds & CDs center . You face your first big choice:
Buying bonds on Fidelity starts with a direct journey through their section, where you can choose between individual bonds for predictable income or bond funds for broader diversification.
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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 Â
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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Like buying a brand-new car directly from the manufacturer, these are bonds being sold for the first time. On Fidelity, you can often buy these at par value ($1,000) without paying extra commissions or concessions.
For the ultimate safety, these are backed by the government and are often exempt from state and local taxes.
This is the "used car" lot where you buy bonds from other investors. Prices might be higher or lower than the original price depending on current interest rates. 2. Picking Your Path As you browse, you filter your options based on your goals:
These offer higher yields but come with more risk depending on the company's credit rating (from AAA down to junk status). 3. Setting the Terms Individual bonds | Reasons to consider bonds | Fidelity
Here is the story of how an investor typically navigates this process: 1. Finding the Right "Vehicle"
Imagine you are looking for a reliable way to grow your savings. You log into your account and head to the Fixed Income, Bonds & CDs center . You face your first big choice:
Buying bonds on Fidelity starts with a direct journey through their section, where you can choose between individual bonds for predictable income or bond funds for broader diversification.