Dell System 4XX/M, 4XXS/M
Image by Microhouse
Form factor:
OEM / Proprietary
Chipset: Headland HTK340 (Shasta 486 Chip Set) [HT321, HT342]
Dimensions: 330mm x 218mm
CPU platform: 486
Supported FSB speeds: 25MHz 33MHz 50MHz
Cache: 128 KB
Supported RAM size: 64 MB
Supported RAM types: 72-pin FPM
Video Chipset: S3 86C805 (1MB max VRAM)
I/O ports: Expansion slots: Known issues:
  • 1x Floppy interface
  • 1x IDE interface
  • 1x PS/2 keyboard
  • 1x PS/2 mouse
  • 1x Parallel
  • 2x Serial
  • 1x VGA
  • 6x 16-bit ISA

N/A

Drivers: not available
BIOS images: 1 file
Manuf. POST String Note Core Ver. BIOS Ver.
Phoenix 486/ISA 04/14/95 Dell 1.7
Manuals: 1 entry
Model Speed FSB Voltages L1 Cache L2 Cache L3 Cache Core Process TDP
Intel i486 DX 50 50MHz 50MHz 5V 8KB - - P4 1000nm -
Intel i486 DX2 66 66MHz 33MHz 5V 8KB - - P24 800nm 5W
Intel i486 SX 33 33MHz 33MHz 5V 8KB - - P23 1000nm -
Intel i486 DX 33 33MHz 33MHz 5V 8KB - - P4 1000nm -
Intel i486 DX2 50 50MHz 25MHz 5V 8KB - - P24 800nm -
Intel i486 SX 25 25MHz 25MHz 5V 8KB - - P23 1000nm -
Intel i486 DX 25 25MHz 25MHz 5V 8KB - - P4 1000nm -
No NPUs listed.