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Vintage Hewlett-Packard 12924-60001 Interface Circuit Board Authentic early-1970s HP minicomputer logic/interface PCB assembly, originally designed as part of the HP 12924 series subsystem interfaces (used in the classic HP 2100, 2116, and 21MX minicomputer architectures). Board Details & Markings: - Part Number: HP ASSY-12924-60001
- Series / Revision: 3208 SER- REV-A-1212-22
- Manufacturing Date: Circa 1972 (Component date codes predominantly range across 1971 and 1972, such as 7205, 7210, 7214, and 7215).
- Connectors: Dual edge finger pin contact buses with gold-plated trace routing.
- Card Ejectors: Original metal/composite corner ejector handles intact.
- On-Board Integrated Circuits: Densely populated with vintage ceramic and early plastic DIP logic chips from Fairchild, National Semiconductor, Motorola, and Texas Instruments, including:
- 1820-0956 (Fairchild date coded 7214)
- 1820-0054 (National Semiconductor date coded 7216)
- 1820-0063 / SN7475N / 1820-0301 (7213)
- 1820-0068, 1820-0069, 1820-0070, 1820-0071, 1820-0207
- Passives & Components: Vintage metal-can Sprague axial capacitor, precision glass diodes, and ceramic disc bypass capacitors.
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