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Green rectangular motherboard with silver components and connectors

IBM

IBM System Board PC300GL 6561 6591

SKU CH-213T-HYPA1

Replacement motherboard for IBM PC300GL models 6561 and 6591, listed April 2026

  • Genuine IBM replacement board for PC300GL systems
  • Supports model numbers 6561 and 6591 for exact fit
  • New condition ensures reliable, long-term operation
  • Motherboard form factor matches original chassis layout
  • First listed by manufacturer on 28 April 2026

System Board PC300GL

The IBM System Board PC300GL 6561 6591 is a replacement motherboard built for the PC300GL desktop platform. It restores core system functionality for point-of-sale terminals and office workstations that use this specific chassis. The board integrates the essential chipset and connectivity required by the original design. It is supplied in new condition for immediate deployment.

Repair technicians and IT maintainers

This board suits repair technicians and IT maintainers who need a direct, like-for-like substitute to return a legacy PC300GL unit to service. It is not intended for builders assembling new systems or for users seeking modern expansion slots, faster memory standards or current processor support. Buyers requiring a different form factor or updated I/O should look at something else.

Sustained operation in legacy roles

Under sustained load the board delivers the steady throughput the PC300GL architecture was designed for, handling typical POS transactions and office applications without thermal throttling. Long-term reliability matches the original equipment specifications for continuous daily use. The component layout supports consistent airflow within the approved chassis.

Highlights

  • Genuine IBM replacement board for PC300GL systems
  • Supports model numbers 6561 and 6591 for exact fit
  • New condition ensures reliable, long-term operation
  • Motherboard form factor matches original chassis layout
  • First listed by manufacturer on 28 April 2026

Specifications

BrandMotherboard

Questions about this item

Which PC300GL chassis variants accept the 6561 6591 system board?

This board is designed for the PC300GL 6561 and 6591 models; verify your chassis matches one of those two part numbers before installation.

Can I reuse the processor and memory from an older PC300GL unit with this board?

The board uses the same socket and memory architecture as other PC300GL models, so compatible CPUs and DIMMs from those systems will transfer directly.

What indicates the 6561 6591 board has posted successfully after assembly?

A single beep followed by the BIOS splash screen confirms the board has completed POST and initialised attached components.

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