PCChips M558
chipChipset
cpuCPU socket
Socket 7 (PGA321)
cpuCPU family
Pentium (P54) Pentium MMX (P55)
speedFSB speeds
50MHz55MHz60MHz66MHz75MHz
chipCache
256KB512KB
ramRAM type
72-pin EDO
ramMax RAM size
128MB
pwrPSU connector
AT (P8-P9)
moboForm factor
Baby AT (max 220 x 330 mm)
dimDimensions
254mm x 218mm
connI/O ports
1x 
Floppy interface
2x 
IDE interface
1x 
Parallel
2x 
Serial
1x 
AT Keyboard
cardExpansion slots
4x 
32-bit PCI
3x 
16-bit ISA

Also known as:

  • EURONE EM-5558
  • PC Wave M558
  • Elpina M558

Notes:

Early editions have the chipset marked as MMXPro and have UMC I/O, later they are marked as VXPro II with SMC I/O. A version with ALi I/O exists as well.

Last updated 2023-10-30T18:43:33Z
 TRW ID: 4160
drv 0 drivers available
7 BIOS images available
Manuf.
POST string
Note
Core Ver.
BIOS Ver.
Manuf.
AMI
POST string
51-0830-001437-00101111-071595-UT801X
Note
Core version
071595
BIOS version
Manuf.
AMI
POST string
51-0609-001437-00101110-071595-558-001_10_UTRON
Note
PCB V1.9
Core version
071595
BIOS version
Manuf.
AMI
POST string
51-0421-001437-00111111-071595-558
Note
PCB V1.3 ALi5113
Core version
071595
BIOS version
Manuf.
AMI
POST string
51-0310-001437-00111111-071595-UT801X-001_10_UTRON
Note
SMC I/O version
Core version
071595
BIOS version
Manuf.
AMI
POST string
51-0310-001437-00111111-071595-UT801X-001_10_UTRON
Note
SMC I/O version, modded BIOS
Core version
071595
BIOS version
Manuf.
AMI
POST string
51-0225-001437-00101111-071595-558-001_10_UTRON
Note
PCB V1.3 beta ALi5113
Core version
071595
BIOS version
Manuf.
AMI
POST string
51-0830-001437-00111111-071595-UT801X-001_10_UTRON
Note
Core version
071595
BIOS version
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