Dell OptiPlex 4xx/Ly
Logs
chipChipset
cpuSocket
Socket 1 (PGA169)
speedFSB speeds
25MHz33MHz50MHz
moboForm factor
LPX (max 229 x 330 mm)
dimDimensions
330mm x 218mm
ramMax VRAM size
1MB
chipCache
128KB
ramMax RAM size
64MB
ramRAM type
72-pin FPM
pwrPSU connector
DELL (20-pin)
tag Also known as
  • Dell OptiPlex 4XX/MTe (4XXDMT) MIDSIZE 486 ISA/VL SYSTEMS
  • Dell PWB 68403
  • Dell Dimension 4xx/DL/DM/DMT
  • Dell OptiPlex 4xx/Le (4XXDL)
  • Dell OptiPlex 4xx/LN
connI/O ports
1x 
Floppy interface
1x 
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
  • 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.

notes Notes

Name depends on processor speed and supplied riser card:

4xx/Ly

  • xx = Speed of CPU in MHz
  • y = E or N
    • E = ISA + VLB riser
    • N = ISA only riser
Last updated 2025-06-29T09:03:18Z
Board info score is 9.4/10
bios 5 BIOS files available

vendor Phoenix - 5 entries

POST string
Note
Core Ver.
BIOS Ver.
Logs
POST string
Note
Core version
Dell
BIOS version
Logs
POST string
Note
Core version
Dell
BIOS version
Logs
POST string
Note
Core version
Dell
BIOS version
Logs
POST string
Note
Core version
Dell
BIOS version
Logs
POST string
Note
Core version
Dell
BIOS version
Logs
drv 4 drivers available
Name
Version
OS support
Arch
Size
Filename
Name
Version
1.43
OS support
MS-DOS Windows 3.1x
Arch
x86
Size
741.9KB
Filename
Name
Version
3.50
OS support
Windows NT 3.1 Windows NT 3.5x
Arch
x86
Size
140KB
Filename
Version
OS support
Arch
Size
Filename
Version
OS support
Windows 3.1x
Arch
x86
Size
1.4MB
Filename
Version
OS support
Windows 3.1x
Arch
x86
Size
600.3KB
Filename
doc 4 board documents available
Release date
File
Logs
Release date
File
Logs
Release date
File
Logs
Release date
File
Logs
Release date
File
Logs
Chip
Release date
File
Logs
Chip
Release date
File
Logs
Chip
Release date
1993-10
File
Logs
Chip
Release date
1993-03
File
Logs
Family
Release date
File
Logs
Family
Release date
1995-12
File
Logs
Family
Release date
1989-04
File
Logs
Family
Release date
1990
File
Logs
Family
Release date
1992-10
File
Logs
Family
Release date
1992-02
File
Logs
image1 Image 1 of 8 (Microhouse)
image2 Image 2 of 8 (VanoRu)
image3 Image 3 of 8 (Andrew Spode)
image4 Image 4 of 8 (VanoRu)
image5 Image 5 of 8 (Andrew Spode)
image6 Image 6 of 8 (Andrew Spode)
image7 Image 7 of 8 (Andrew Spode)
image8 Image 8 of 8 (VanoRu)

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