How does shipping work for orders on MRO Exchange?

Most orders ship within 1–2 business days via UPS. Larger equipment ships via freight carrier, and customers can use the shipping estimator on the product page for a location-specific quote. Local pickup is also available at the Fairfield, IL facility, typically ready within 4 hours.

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MRO Exchange accepts all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available, with payment due prior to shipment. Custom terms are available for established accounts.

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Giddings and Lewis DBPMI Board 501-04119-00 / 502-03287-00

$399.00 USD

Sale Sold out

ConditionSurplus - Untested MPN501-04119 Stock #0226-00655

Photos reflect current condition. Items differing from description may be eligible for return or refund — see our condition guide.

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Estimated package weight: 5.0 lbs

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The Giddings and Lewis DBPMI Board, assembly number 501-04119-00 and PCB number 502-03287-00, is a multi-function backplane monitor and interface module used in Giddings and Lewis CNC control systems. The silkscreen designates it a DBPMI Board, and the Giddings and Lewis Electronics logo is not visible on this board. Serial number 517202 is stamped at the lower edge. Voltage monitoring indicators for +5V, +12V, and -12V are labeled along the left edge alongside LED2-1 through LED2-6 status indicators and a RESET pushbutton (PB1-1). A board test point (TP9) and voltage adjust potentiometer (SW1-1) are accessible at the upper left. The board includes an AD580 precision voltage reference (MC1-1), three LM339 quad comparator ICs (IC-2, IC-5, IC-8), a NEC DB253C-2 programmable interval timer (IC-19), an Intel OP8255A-5 programmable peripheral interface (IC-30), and an MB8416A-15L static RAM (IC-55). Additional logic devices include LS164, LS157, LS151, LS138, LS145, LS240, LS257, LS244, LS375, LS374, LS340, LS682, LS32, LS30, LS11, LS04, LS00, LS10, LS90, ALS240, and 7406 open-collector buffer ICs. An EXPANSION BUS connector is labeled at the left edge, with CONN P1 and P2 card-edge finger connectors on the right. Board address jumpers labeled BOARD 0 through 7 and BOARD 8 through 15 are visible at the right center. J2 memory size jumpers are labeled 2K and 8K. Through-hole construction throughout on a multi-layer green PCB with gold-plated edge connectors.

Stock # 0226-655

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Frequently Asked Questions

Shipping & Handling

Most orders ship within 1–2 business days via UPS, but expedited same-day handling is available as an add-on to orders in cart. Larger equipment ships via freight carrier. Use the shipping estimator above for a location-specific quote. Local pickup is also available at our Fairfield, IL facility, typically ready within 4 hours.

Returns & Condition

All items are sold as-described based on the photos and condition listed. If an item arrives differing from its description, it may be eligible for return or refund. See our full condition guide for details on our grading terms.

Payment Options

We accept all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available by selecting "Purchase Order / Wire Transfer" at checkout. Payment is due prior to shipment. Contact us for custom terms on established accounts. Tax exemptions are honored if proper documentation is provided.