Zenith

Zenith 85-3260-02 Memory Expansion Board 072286 Proprietary Edge Connector

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SKU:
43746
MPN:
85-3260-02
Condition:
Used
Availability:
Usually ships within 1-2 business days.
Weight:
3.00 LBS
Shipping:
Calculated at Checkout
  • Zenith 85-3260-02 Memory Expansion Board 072286 – top side showing rows of DIP memory chips and proprietary edge connector
  • Zenith 85-3260-02 Memory Expansion Board 072286 – PCB solder side showing trace layout and edge connector
  • Zenith 85-3260-02 Memory Expansion Board 072286 – close-up of board silk screen label and TMS and other DIP ICs including visible date codes
$38.00
Was: $80.00
Current Stock: 5

Sold Out

Description

Zenith 85-3260-02 Memory Expansion Board 072286 Proprietary Edge Connector Vintage PC

Memory expansion card designed for Zenith Data Systems computers. This full-length expansion board uses a proprietary edge connector specific to Zenith's non-standard bus architecture.

Specifications & What's Included

  • Brand: Zenith
  • Model: 85-3260-02 / 072286
  • Type: Memory Expansion Board
  • Form Factor: Full-Length Expansion Card
  • Connector: Proprietary Edge Connector (non-ISA)
  • Compatible: Zenith Data Systems PC proprietary bus
  • Manufactured: United States

Applications

This expansion board was used to add RAM capacity to Zenith Data Systems computers, which operated on a proprietary bus design distinct from industry-standard ISA architecture. Zenith systems occupied a specific market segment in the 1980s. The proprietary connector design limits compatibility to Zenith hardware only.

Condition: Used
Zenith 85-3260-02 Memory Expansion Board (072286) in used condition. The gold-finger edge connector is a proprietary Zenith design—not standard ISA format—so confirm compatibility before purchasing. Individual boards may vary; some have soldered DIP chips while others use sockets, and capacitor colors can differ. See photos for the specific unit you're buying. Please note: We have multiple units in stock — yours may not be the one shown in the photos, however, it will be similar in condition and function.
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Warranty Information

We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
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Additional Information

Brand:
Zenith
Model:
85-3260-02
MPN:
85-3260-02
Secondary Model:
072286
Type:
Memory Expansion Board
SKU:
43746
Connector Type:
Proprietary Edge Connector (non-standard ISA)
Form Factor:
Full-Length Expansion Card
Compatible With:
Zenith Data Systems PC (proprietary bus)
Bus Interface:
Proprietary (non-ISA gold-finger edge connector)
Condition:
As-Is / For Parts or Not Working
Seller Notes:
Sold as-is for parts. Chip config may vary (soldered or socketed). No returns.
Country/Region of Manufacture:
United States
Condition Notes:
Used Zenith proprietary memory board. Proprietary edge connector (not ISA). Board variations exist; see photos. Confirm compatibility before purchase.
California Prop 65 Warning:
WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
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38853
SKU:
38853
Availability:
Usually ships within 1-2 business days.
Weight:
1.00 LBS
Brand:
Zenith
Model:
85-3222-01
MPN:
85-3222-01
Type:
CPU / Memory Expansion Board
SKU:
38853
Form Factor:
Proprietary ISA-Style Full-Length Card
Bus Interface:
Proprietary ISA Style (non-standard — does not fit standard 16-bit ISA slots)
Compatible With:
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Requires:
Special Zenith daughter board (not included)
Date Code:
022486
Condition:
Used – Pulled from Working Environment
Seller Notes:
Card only. Special daughter board required but not included.
Country/Region of Manufacture:
Malaysia (per chip markings: SN74ALS00AN Malaysia)
Condition Notes:
Zenith 85-3222-01 CPU/Memory Board inspected and in good used condition. Pulled from a working environment. Requires special Zenith daughter board (not included). Does not fit standard 16-bit ISA slots. Photos available.
California Prop 65 Warning:
WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov