DEC Venturis 486 433 (VER. 1.0)
Logs
chipChipset
cpuSocket
Socket 3 (PGA237)
speedFSB speeds
25MHz33MHz40MHz
moboForm factor
LPX (max 229 x 330 mm)
dimDimensions
254mm x 218mm
ramMax VRAM size
2MB
chipCache
128KB
ramMax RAM size
4MB(onboard)64MB(extra in slots so maximum total is 68MB)
ramRAM type
72-pin FPM
pwrPSU connector
AT (6-pin P8 + 6-pin P9)
tag Also known as
  • DEC Venturis 486 450 (VER. 1.0)
  • DEC Venturis 486 466 (VER. 1.0)
  • DEC Venturis 486 4100 (VER. 1.0)
  • DEC Starion 200
  • DEC Starion 300
connI/O ports
1x 
Floppy interface
2x 
IDE interface
1x 
PS/2 keyboard
1x 
PS/2 mouse
1x 
Parallel
2x 
Serial
1x 
VGA
cardExpansion slots
3x 
16-bit ISA
wrench Known issues
  • Faulty IDE Controller

The IDE controller(s) is known to be faulty, which may cause problems with IDE devices such as data corruption or lockups.

  • Expansion slots are on proprietary riser

The listed slots are on the riser card that came with the motherboard.
If you have this board make sure you have the riser for it.

  • Faulty IDE Controller

The IDE controller(s) is known to be faulty, which may cause problems with IDE devices such as data corruption or lockups.

notes Notes

Apparently this board is also delivered with the S3 Trio64 graphics chip. When Trio 32, max VRAM is 1MB. J24 is for Riser card, J26 is personality card slot.

Last updated 2025-06-24T18:35:40Z
Board info score is 9.2/10
bios 10 BIOS files available

vendor Phoenix - 10 entries

POST string
Note
Core Ver.
BIOS Ver.
Logs
POST string
Note
ENG,64
Core version
4.04
BIOS version
Logs
POST string
Note
GER,32
Core version
4.04
BIOS version
Logs
POST string
Note
GER,64
Core version
4.04
BIOS version
Logs
POST string
Note
FRA,32
Core version
4.04
BIOS version
Logs
POST string
Note
FRA,64
Core version
4.04
BIOS version
Logs
POST string
Note
SPA,32
Core version
4.04
BIOS version
Logs
POST string
Note
SPA,64
Core version
4.04
BIOS version
Logs
POST string
Note
ITA,32
Core version
4.04
BIOS version
Logs
POST string
Note
ITA,64
Core version
4.04
BIOS version
Logs
POST string
Note
ENG,32
Core version
4.04
BIOS version
Logs
drv 5 drivers available
Name
Version
Arch
OS support
Size
Filename
Name
Version
v2.09
Arch
x86
OS support
MS-DOS NetWare Server 3 NetWare Server 4 OS/2 2.x SCO Unix - OpenServer Windows NT 3.1 Windows NT 3.5x
Size
691.223KB
Filename
Name
Version
1.3B8
Arch
x86
OS support
Windows 3.1x
Size
994.811KB
Filename
Name
Version
1.6
Arch
x86
OS support
OS/2 1.x OS/2 2.x OS/2 Warp 3.x
Size
1.211MB
Filename
Name
Version
N/A
Arch
x86
OS support
Windows NT 3.5x
Size
64.592KB
Filename
Name
Version
2.00.18
Arch
x86
OS support
Windows NT 4.0
Size
177.732KB
Filename
doc 4 board documents available
Release date
File
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File
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Chip
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File
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Chip
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File
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Chip
Release date
File
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Chip
Release date
File
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Chip
Release date
1994-10-10
File
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Chip
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File
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Chip
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File
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Chip
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File
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Chip
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1995-03
File
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Chip
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1995-03
File
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Chip
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1996-02
File
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Family
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File
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Family
Release date
1995-12
File
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Family
Release date
1989-04
File
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Family
Release date
1990
File
Logs
Family
Release date
1992-10
File
Logs
Family
Release date
1992-02
File
Logs
image1 Image 1 of 7 (Microhouse)
image2 Image 2 of 7 (Electromyne)
image3 Image 3 of 7 (plaes)
image4 Image 4 of 7 (butjer1010)
image5 Image 5 of 7 (plaes)
image6 Image 6 of 7 (plaes)
image7 Image 7 of 7 (plaes)

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