MCU 8625
NORCONTROL / KONGSBERG
Refurbished
| Manufacturer | NORCONTROL (later Kongsberg Norcontrol / Kongsberg Maritime), Norway |
| Model | MCU 8625 |
| Product type | Main Computer Unit |
| Article / part number | Not clearly visible in the supplied photograph. Market listings show Art. No. 8200291 and 8200262 for MCU 8625 versions (Not verified for this unit). |
| Serial number | Not clearly visible in the supplied photograph |
| Processor (inside, from photo) | Intel i486DX CPU on an OPTi chipset motherboard with AMIBIOS 486 BIOS |
| Front panel | RESET push button, KEYBOARD (DIN) connector, key lock, twin cooling fan grilles |
| Power rating | Dual power input: 24 V DC or 220 V AC. This unit has been power-tested by SM MARINE SERVICE™ on a 24 V DC supply. (Market listings state 24 V DC, 270 W.) |
| Mounting | 19-inch rack mount with front handle and fixing ears |
| Country of manufacture | Norway (market listings) |
| Condition | Refurbished (subject to confirmation) |
The NORCONTROL MCU 8625 Main Computer Unit is the central industrial computer of Norcontrol (Kongsberg Norcontrol) marine automation systems. Built into a rugged 19-inch rack enclosure, it runs the system software that processes alarms, monitoring data and control functions from the ship's machinery and passes them to operator panels and printers.
SM MARINE SERVICE™ (https://www.smmarineservice.com/) supplies Norcontrol MCU 8625 units, their internal boards and related Norcontrol automation spares to vessels and repair yards worldwide.
The MCU 8625 is a PC-based marine computer. Inside the steel rack housing is an ISA/VESA-bus 486 motherboard with stacked plug-in interface cards connected by ribbon cables to the system's I/O and communication lines, a power supply section and two front cooling fans. The front panel offers a RESET button, a keyboard connector for service, and a key lock.
In a Norcontrol installation the MCU works together with signal acquisition units, operator control panels and order printers to form the engine-room alarm, monitoring and control system. Market listings describe it as a main computer for Norcontrol / Kongsberg marine automation and ship control systems.
NORCONTROL MCU 8625 Main Computer Unit – front panel with RESET, KEYBOARD and key lock
| Type | Main Computer Unit (MCU) |
| CPU (this unit) | Intel i486DX |
| Other known versions | Pentium-based versions ("PENT-120", "PENT-200") appear in market listings (Not verified) |
| Chipset / BIOS | OPTi chipset, AMIBIOS 486 BIOS (American Megatrends) |
| Cache memory | ISSI SRAM cache chips (as seen on board) |
| Supply | 24 V DC or 220 V AC (both inputs supported); power-tested on 24 V DC. Market listings state 270 W consumption. |
| Dimensions / weight | Approx. 350 × 280 × 150 mm, approx. 12.65 kg (market listing, Not verified) |
| Front controls | RESET, KEYBOARD connector, key lock |
| Cooling | Two front fans |
The internal photograph shows the following assemblies. Norcontrol board part numbers are not visible in the photo and were not found in public sources – they are marked Not verified. Send us a photo of the label on your failed board for exact matching.
Main processor board with Intel i486DX CPU, three OPTi chipset ICs, ISSI cache SRAM, memory and AMIBIOS 486 BIOS chip. Runs the MCU operating software. Norcontrol part number: Not verified.
Several stacked expansion cards in the motherboard slots, connected with ribbon cables to the system's communication and signal lines. Card numbers: Not clearly visible in the supplied photograph.
Internal PSU feeding the motherboard and cards. Accepts 24 V DC or 220 V AC input; this unit was power-tested on 24 V DC. Part number: Not verified.
Two front-mounted fans for forced-air cooling. Part number: Not verified.
AMIBIOS (American Megatrends) 486 BIOS chip on the motherboard; the label code is not clearly legible in the supplied photograph.
Other Norcontrol units commonly found in the same family of automation systems (compatibility with a specific MCU 8625 installation must be confirmed from the vessel's system drawings):
Inside the MCU 8625: Intel i486DX motherboard with OPTi chipset, AMIBIOS and plug-in interface cards
Safety: the MCU runs the ship's alarm and monitoring system. Inform the chief engineer and arrange manual watch before switching it off. Isolate the power supply before opening the unit and use ESD protection when handling boards.
SM MARINE SERVICE™ supplies complete Norcontrol MCU 8625 units and internal boards (motherboard, interface cards, power supply, fans). For a quotation, please send:
We ship worldwide, subject to availability confirmation.
Norcontrol automation systems were installed on a very large number of ships and many remain in service. Replacing a complete alarm and monitoring system is expensive and needs class approval, so owners keep these systems running with tested replacement MCUs and boards.
What is the Norcontrol MCU 8625?
It is the Main Computer Unit of Norcontrol (Kongsberg Norcontrol) marine automation systems.
What CPU is inside the MCU 8625?
This unit has an Intel i486DX motherboard; Pentium-based versions are also listed on the market.
What is article number 8200291?
It is an article number listed on the market for an MCU 8625 version. Please compare with your unit's label.
What is 8200262?
Another article number listed for an MCU 8625 version (Not verified).
Can you supply only the motherboard or an interface card?
Yes, send us photos of the board and its labels and we will check availability.
Do you have the Norcontrol PCB numbers for the MCU 8625 cards?
They are not visible in this photo or public sources; send us your board label for matching.
What power supply does it need?
It can be powered from either 24 V DC or 220 V AC. Our unit has been power-tested on 24 V DC.
Which other Norcontrol units do you supply?
SAU 8810, OCP 8810, OPU 8810, SSU 8810, DGU 8800e and AutoChief 4 parts, subject to availability.
Why does my MCU 8625 restart by itself?
Common causes are overheating, failing fans, a weak power supply or loose cards.
Is this unit refurbished?
Yes, this listing is refurbished; condition and stock are subject to confirmation.
Do you ship worldwide?
Yes, SM MARINE SERVICE™ ships worldwide from Bangladesh and China.
NORCONTROL MCU 8625 Main Computer Unit for Norcontrol / Kongsberg Norcontrol marine automation, alarm and monitoring systems. Rugged 19-inch rack-mount marine computer with front RESET button, KEYBOARD connector, key lock and twin cooling fans. This unit is built around an Intel i486DX motherboard with OPTi chipset, AMIBIOS 486 BIOS and plug-in interface cards. It accepts 24 V DC or 220 V AC supply and has been power-tested on 24 V DC. Market listings show article numbers 8200291 / 8200262 for MCU 8625 versions. Supplied refurbished by SM MARINE SERVICE™, Chattogram, Bangladesh, with worldwide shipping. Complete units and internal boards available on request.
Available Equipment Conditions: New • Used • Refurbished • Reconditioned (Specific product condition and availability are subject to confirmation.)
Stock Locations: Bangladesh • China
Services: Worldwide Shipping • Technical Support • Spare Parts Supply • Marine Equipment Sourcing
Samir Market, DT Road, Pahartali, beside CDA Market, Chattogram, Bangladesh
Mobile / WhatsApp / Viber: +88 01818 929292
Email: info@smmarineservice.com
Website: https://www.smmarineservice.com/
Need a Norcontrol MCU 8625 or any of its boards? Send us your label photo today for a fast quotation.
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