OEM P/N:
ESCT P/N:
PART TYPE:
OEM:
The LAM CPU Board, carrying OEM part number 810-017034-003, is the central processing circuit board that sits at the heart of the embedded control architecture on Lam Research plasma process equipment. In a semiconductor fab, Lam etch, strip and clean platforms rely on a hierarchy of intelligent boards to coordinate gas delivery, RF power, vacuum sequencing, wafer handling and chamber state. The CPU board is the supervisory node in that hierarchy: it executes the firmware that interprets recipe commands, schedules I/O transactions across the system backplane and maintains the deterministic timing on which a stable plasma process depends.
Physically, the board is a populated printed circuit assembly that plugs into a card cage or backplane within the tool’s control rack or gas box electronics enclosure. It hosts a microprocessor, volatile and non-volatile memory, clock and reset circuitry, bus transceivers and the connector interfaces that tie it to peripheral I/O, communication and motion boards. Because it governs the logical behaviour of the subsystem rather than directly handling process gases or RF energy, its reliability is measured in uptime, data integrity and timing accuracy rather than in particle counts.
When a CPU board degrades or fails, the symptoms are rarely subtle: tools may fail to boot, drop communication with the host, throw watchdog or bus faults, or behave intermittently in ways that defeat conventional troubleshooting. A verified, drop-in replacement such as ESCT P/N ES2022-084 lets fab engineers restore deterministic control quickly, without waiting on scarce OEM stock for an obsolescent assembly.
The 810-017034-003 board functions as the master controller for its subsystem, translating high-level instructions into the precisely timed sequence of digital and analogue events that drive a process step. It is the component that decides what happens, when, and verifies that each commanded action actually occurred. Its principal functions include:
As a digital control board, the value of the CPU assembly lies in the integrity of its power rails, the cleanliness of its clock and bus signals, and the stability of its memory. Sub-system reliability depends on every one of these holding tolerance across thousands of thermal cycles in a fab environment.
The board derives several regulated logic voltages from the rack supply and distributes them through decoupling networks to the processor, memory and logic devices. Regulation, ripple rejection and adequate bypass capacitance prevent logic upsets and brown-out resets that masquerade as random software faults.
Communication with the rest of the tool relies on clean differential and single-ended signalling across the backplane and connector interfaces, supported by intact bus transceivers and properly terminated lines. Memory must retain both program and configuration data without bit errors.
Because the CPU board sets the timing and logic for an entire subsystem, its condition propagates directly into process repeatability and ultimately into device yield. A marginal or failing board can produce consequences that are costly out of all proportion to the component itself:
Electrolytic capacitors in the on-board power and decoupling networks dry out and lose capacitance over years of service, raising ripple and triggering random resets, boot failures and logic upsets that are notoriously difficult to reproduce on the bench.
Battery-backed or non-volatile memory can lose retention as backup cells deplete or devices age, corrupting calibration constants and stored state. The result is lost configuration, checksum errors at boot, or a tool that powers up into an inconsistent condition.
Repeated thermal cycling, vibration and connector insertion fatigue solder joints, edge contacts and through-plated vias. Hairline cracks and oxidised contacts produce intermittent bus errors and communication dropouts that worsen as the board warms during operation.
Replacing the CPU board is a controlled electronics procedure that should be carried out by a qualified equipment technician following the relevant LAM service documentation and your site’s lockout and ESD procedures. A typical sequence is:
Control boards for legacy Lam platforms are increasingly difficult to source through original channels, and lead times on obsolescent electronics can stretch into months. ESCT Fab Support helps fabs de-risk that exposure with verified, fit-for-purpose alternatives held to a defined standard. Choosing ES2022-084 brings several advantages:
It is the central processor board for its subsystem on a Lam plasma process tool. It executes the embedded firmware, sequences recipe and interlock logic, manages the backplane bus, and coordinates the peripheral I/O, gas, RF and motion boards that carry out each process step.
No. ES2022-084 is supplied as a new, OEM-compatible board verified to the form, fit and function of 810-017034-003. It is not an original Lam Research part and is not sold as one; it is an independently supplied alternative intended as a direct functional replacement.
It is designed to match the original board’s mechanical footprint and electrical interface so it seats in the same backplane slot and uses the same connectors. As with any controller swap, switch and jumper settings should be matched to the original and the tool re-qualified before production use.
The current lead time is 3 weeks. We recommend holding a board of this criticality in your spares pool, since a CPU failure idles the whole subsystem and the cost of downtime far exceeds the cost of carrying a spare.
Symptoms that point to the CPU board include failure to boot, repeated watchdog resets, loss of host communication, checksum or memory errors at start-up, and intermittent bus faults that worsen with temperature. Confirm against your diagnostic logs and service documentation, and rule out power supply and backplane issues, before replacing the board.
That depends on the subsystem architecture. Some configurations retain settings on associated boards, while others require firmware or calibration data to be reloaded onto the replacement. Always back up configuration beforehand and follow the LAM procedure for restoring state, then verify operation before release.
The LAM CPU Board (OEM P/N 810-017034-003, ESCT P/N ES2022-084) is the supervisory processor board that governs recipe sequencing, backplane communication and deterministic timing within a Lam Research plasma process subsystem. Its electrical integrity, clean power, stable clocks and reliable memory, underpins process repeatability and tool availability, and its common failure modes centre on capacitor ageing, memory retention loss and connector or solder fatigue. Supplied with a 3 week lead time and verified to form, fit and function, ES2022-084 offers fabs a dependable, cost-effective way to keep ageing Lam control electronics running without the delay and uncertainty of sourcing obsolescent OEM stock.
Disclaimer: This part is supplied by ESCT Fab Support as a new, OEM-compatible second-source component, verified to the form, fit and function of Lam Research part number 810-017034-003. It is not an original OEM part and is not sold as one. It is not manufactured by, endorsed by, or affiliated with Lam Research, and all manufacturer names and part numbers are quoted for identification and compatibility purposes only.
Fill out the form below to request a quote for the part/s you require, making sure to include the OEM part number.
If the part you are looking for is not listed, get in touch and we will try to source it for you through our wide network of partners and suppliers.
We use cookies We use analytics cookies to see how visitors use this site, so we can improve it. They are set only if you accept. Read our Cookie Policy.
