PCChips/Hsin Tech M558
Chipset
Socket 
FSB speeds 50MHz55MHz60MHz66MHz75MHz
Form factorBaby AT (max 220 x 330 mm)
Dimensions254mm x 218mm
Max RAM size
RAM type 
PSU connector
I/O ports1x
AT Keyboard
1x
Floppy interface
2x
IDE interface
1x
Parallel
2x
Serial
Expansion slots3x
16-bit ISA
4x
32-bit PCI
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 2024-04-18T16:33:10Z
Board info score is 9.6/10
Chipset parts
Clock Synth / PLL chipsSuper I/O chips
CPU family support
7 files available
Vendor: AMI [7 entries]
POST string
Note
Core Ver.
BIOS Ver.
Logs
POST string
51-0609-001437-00101110-071595-558-001_10_UTRON
Note
PCB V1.9
Core version
071595
BIOS version
Logs
POST string
51-0421-001437-00111111-071595-558
Note
PCB V1.3 ALi5113
Core version
071595
BIOS version
Logs
POST string
51-0310-001437-00111111-071595-UT801X-001_10_UTRON
Note
SMC I/O version
Core version
071595
BIOS version
Logs
POST string
51-0310-001437-00111111-071595-UT801X-001_10_UTRON
Note
SMC I/O version, modded BIOS
Core version
071595
BIOS version
Logs
POST string
51-0225-001437-00101111-071595-558-001_10_UTRON
Note
PCB V1.3 beta ALi5113
Core version
071595
BIOS version
Logs
POST string
51-0830-001437-00111111-071595-UT801X-001_10_UTRON
Note
Core version
071595
BIOS version
Logs
1 driver available
Name
Version
OS support
Size
Filename
Name
Version
1.0.0.1
OS support
Windows 9x
Size
282.4KB
Filename
3 board documents available
Release date
File
Logs
Chip
Release date
File
Logs
Family
Release date
File
Logs
Family
Release date
File
Logs
Family
Release date
File
Logs
Image 1 of 5 (Microhouse)
Image 2 of 5
Image 3 of 5
Image 4 of 5 (ThisOldTech)
Image 5 of 5 (ThisOldTech)
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