PCChips M918 (486)
chipChipset
cpuCPU socket
speedFSB speeds
20MHz25MHz33MHz40MHz50MHz
moboForm factor
Baby AT (max 220 x 330 mm)
dimDimensions
254mm x 218mm
chipCache
128KB256KB512KB1MB
ramMax RAM size
256MB
ramRAM types
72-pin FPM72-pin EDO
pwrPSU connector
connI/O ports
1x 
AT Keyboard
1x 
Floppy interface
2x 
IDE interface
1x 
Parallel
2x 
Serial
cardExpansion slots
4x 
16-bit ISA
3x 
32-bit PCI

Known issues:

  • Fake cache

The motherboard may include a non-functional or counterfeit SRAM cache, which can adversely affect performance. Signs of fake cache often include soldered QFP or DIP-chips labeled "WRITE-BACK" with traces that do not connect to the chipset.

  • DIP chips can typically be removed and replaced with functional SRAM chips in sockets to restore cache functionality.
  • QFP fake cache chips are often not replaceable with functional cache as the PCB footprints are not chipset connected.

Notes:

The CPU socket is not a full Socket 3, it lacks the outside rows of pins used by the Pentium OverDrive.

Is cloned as Amptron DX-9300A (VER 1.1)

Last updated 2023-02-09T17:52:27Z
Board info score is 9.1/10
3 files available

Vendor: AMI [3 entries]

POST string
Note
Core Ver.
BIOS Ver.
Logs
POST string
41-C100-001437-00101111-101094-486PCIMB-U
Note
Core version
101094
BIOS version
Logs
POST string
41-A300-001437-00101111-101094-21011
Note
Core version
101094
BIOS version
Logs
POST string
41-C100-001437-00101111-101094-486PCIMB-U
Note
Core version
101094
BIOS version
Logs
drv No drivers available
doc 3 board documents available
Release date
File
Logs
Release date
File
Logs
Release date
File
Logs
Release date
File
Logs

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