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  3. IBM 5564252

IBM 5564252 Display Writer Card Circuit Board Panel Mount 22-1 FR-4

5564252 Ibm 22-1 Display Writer Card Circuit Board R Fr-4 Panel Mount

( Brand: Ibm ), ( Manufacturer Part Number: 5564252 ), ( Part Type: Display Circuit ), ( Mounting Style: Panel Mount ), ( Pcb Type: Double-sided Pcb ), ( Series: Ibm 22-1 ), ( Number Of Rows: Unclear ), ( Material: Copper, Fr-4 )

Review IBM 22-1 Display Writer Card Circuit Board Fr-4 Panel Mount

The **IBM 5564252 22-1 Display Writer Card Circuit Board (FR-4 Panel Mount)** is a rare and highly sought-after component from IBM s mid-20th-century line of high-performance data processing equipment, specifically designed for the **IBM 5520 Display Writer** series. This circuit board serves as the core electronic interface for the machine s display and input functions, enabling seamless interaction between users and the system s text-based interface. Manufactured on an **FR-4 glass-reinforced epoxy substrate**, the board features a dense array of through-hole and surface-mount components, including integrated circuits, resistors, capacitors, and connectors, all meticulously arranged to facilitate reliable signal processing and data transmission. The **22-1 designation** indicates a specific revision or variant of the card, which may include subtle differences in pinout, component placement, or firmware compatibility compared to earlier or later models.

As a critical component of the Display Writer s architecture, this card interfaces directly with the machine s **CRT display**, handling character generation, cursor control, and input buffering while ensuring smooth operation of the keyboard and other peripheral devices. The board s design reflects IBM s engineering precision of the era, incorporating discrete transistors, logic gates, and early microcontroller-like functionality to manage the display s refresh cycles and user input. Its **panel-mount configuration** allows for easy integration into the system s chassis, with standardized mounting holes and alignment features ensuring a secure and stable fit within the Display Writer s enclosure.

For collectors, restorers, and enthusiasts of vintage computing, this circuit board is a prized artifact, offering a tangible connection to IBM s pioneering work in character-based terminal technology. Its historical significance lies not only in its role within the Display Writer but also in its broader context as part of the **IBM System/360 and System/370** ecosystem, which revolutionized mainframe computing. The board s condition whether original, restored, or in need of repair can greatly influence its value, with fully functional or meticulously preserved examples commanding higher prices among vintage tech aficionados. Whether used in a functional restoration project or as a centerpiece in a museum-quality display, the **IBM 5564252 22-1 Display Writer Card Circuit Board** remains a testament to IBM s legacy of innovation in data processing hardware.

### **Pros and Cons of buying a IBM 5564252 (22-1 Display Writer Card Circuit Board, FR-4 Panel Mount)**

#### **Pros:**

1. **Compatibility with IBM DisplayWriter Systems** This is a genuine IBM replacement part designed specifically for the IBM DisplayWriter 22-1, ensuring proper functionality without compatibility issues.

2. **Authentic Performance** Since it is an original IBM component, it maintains the same reliability and performance standards as the factory-installed part, reducing the risk of malfunctions.

3. **Long-Term Availability** Unlike generic or aftermarket replacements, this part is less likely to become obsolete, making it a reliable long-term solution for legacy systems.

4. **FR-4 Construction** The FR-4 (Fiberglass Reinforced Epoxy) material is durable and resistant to heat and moisture, which helps prevent degradation over time.

5. **Panel-Mount Design** The mounting style is standardized for the DisplayWriter, ensuring a secure and stable fit within the chassis.

6. **Potential for Restoring Older Systems** If you are working on a vintage IBM DisplayWriter for archival, repair, or historical purposes, this part ensures authenticity.

7. **Reduced Risk of Counterfeit Parts** Purchasing directly from a reputable source (such as an authorized IBM parts distributor or a trusted vintage tech seller) minimizes the chance of receiving a fake or low-quality replacement.

#### **Cons:**

1. **High Cost** Genuine IBM parts, especially for older systems, can be significantly more expensive than generic or third-party alternatives.

2. **Limited Availability** Due to the age of the DisplayWriter, sourcing this part may require searching through specialized vendors, eBay, or IBM s legacy parts catalog, which could be time-consuming.

3. **No Active Support or Warranty** Unlike modern electronics, IBM no longer provides customer support or warranties for this part, meaning any issues post-purchase would require self-diagnosis and repair.

4. **Potential for Overkill** If the DisplayWriter is only used occasionally or for non-critical tasks, the expense may not justify the investment compared to a refurbished or alternative system.

5. **Compatibility with Modified Systems** If the DisplayWriter has been heavily modified or patched with non-IBM components, this part may not integrate seamlessly.

6. **Environmental and Ethical Concerns** Purchasing an older electronic component contributes to e-waste if the system is not being actively used. Consider refurbishing or repurposing the DisplayWriter before replacing parts.

7. **Learning Curve for Repair** If you are not familiar with vintage IBM hardware, troubleshooting or installing this part may require research or assistance from someone with experience in legacy systems.

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### **Conclusion:**

The **IBM 5564252 Display Writer Card Circuit Board** is a **high-quality, reliable replacement** for those restoring or maintaining an IBM DisplayWriter 22-1. Its **authenticity, durability, and compatibility** make it the best choice if you prioritize performance and longevity. However, the **high cost, limited availability, and lack of support** mean it may not be practical for casual users or those on a tight budget.

If your primary goal is **functional restoration** of a DisplayWriter for archival or professional use, this part is **highly recommended**. If you are working with the system infrequently or are open to alternative solutions (such as refurbished units or third-party compatible parts), the cost may not be justified.

For most **serious collectors, historians, or IT professionals** maintaining legacy systems, the investment is worthwhile. For **casual users or budget-conscious buyers**, weighing the cost against the system s actual usage is essential.

**Final Recommendation:**

- **Buy if:** You need a **genuine, long-lasting replacement** for an IBM DisplayWriter 22-1 and can afford the cost. Ensure you purchase from a **trusted source** to avoid counterfeit parts.

- **Avoid if:** You are on a tight budget, the system is rarely used, or you are open to alternative solutions (e.g., refurbished units or modern alternatives).

- **Alternative Consideration:** If cost is a concern, explore **eBay, vintage tech forums, or IBM s legacy parts catalog** for verified sellers. Alternatively, assess whether a **refurbished DisplayWriter** (with existing parts) would be a more economical solution.

Details:

IBM 22-1 Display writer card Circuit Board r FR-4 5564252 Panel Mount.

part #: 5564252 price

  • $50.00

specifications pcbemdev:

  • brand: Ibm
  • mpn: 5564252
  • part type: Display Circuit
  • mounting style: Panel Mount
  • pcb type: Double-sided Pcb
  • series: Ibm 22-1
  • number of rows: Unclear
  • material: Copper, Fr-4

offer pcbemdev:

  • quantity: 1
  • sold: 0
  • options: Ship-to-home
  • started: April 18, 2026
  • availability: In Stock

returns pcbemdev:

  • policy: No Returns

general pcbemdev:

  • Electronic Components Semiconductors > Circuit Boards Prototyping > Printed Circuit Boards PCBs
  • condition: Used

payments pcbemdev:

  • other
  • wallet: Google-pay
  • credit card: Diners-club

seller pcbemdev:

  • # reviews: 5
  • city: Cheshire, Oregon
  • rating: 0.0%

shipping pcbemdev:

  • cost: $5.52
  • carrier: USPS
  • class: Standard
  • type: Calculated
  • transit: 6-10 Days
  • service: USPS Ground Advantage
part type: display circuit, mounting style: panel mount, pcb type: double-sided pcb, series: ibm 22-1, number of rows: unclear,
category: business & industrial > electronic components semiconductors > circuit boards prototyping > printed circuit boards pcbs, material: copper, fr-4, sku: 17115788631164853,
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1 offer $50.00 USD
  • Used. Offer #1 priced at $50.00 + $5.97 shipping estimate = $55.97* total. IBM 22-1 Display writer card Circuit Board r FR-4 Panel Mount.+$5.97 shipping

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