IBM PC 300 (TYPE 6561, 6591, 6872)
Logs
chipChipset
cpuSocket
Slot 1 (Slot-242)
speedFSB speed
66MHz
moboForm factor
NLX (max 229 x 345 mm)
dimDimensions
Empty
ramMax VRAM size
32MB
chipCache
None/Integrated in the CPU
ramMax RAM size
384MB
ramRAM types
SDR UDIMM168-pin EDO UDIMM
pwrPSU connector
ATX 1.x (20-pin ATX)
connI/O ports
1x 
PS/2 keyboard
1x 
PS/2 mouse
1x 
Parallel
2x 
Serial
2x 
USB 1.x
1x 
VGA
cardExpansion slots
1x 
3.3V AGP
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

ISA/PCI slots, floppy + 2x IDE + 1 serial port are on the NLX riser card. Also used in NEC PowerMate 8000 Enterprise

Last updated 2025-07-24T17:20:32Z
Board info score is 7.1/10
bios 0 BIOS files available
drv 13 drivers available
Name
Version
OS support
Arch
Size
Filename
Name
Version
1.70
OS support
Windows 3.1x
Arch
x86
Size
793.6KB
Filename
Name
Version
1.71a
OS support
Windows NT 4.0
Arch
x86
Size
308KB
Filename
Name
Version
2.00
OS support
Windows 9x
Arch
x86
Size
1.2MB
Filename
Name
Version
1.70c
OS support
Windows 9x
Arch
x86
Size
2.7MB
Filename
Name
Version
3.20.1008
OS support
Windows 2000 Windows 9x Windows XP/2k3
Arch
Size
Empty
Filename
Name
Version
3.00
OS support
OS/2 Warp 3.x Windows NT 3.5x Windows NT 4.0
Arch
x86
Size
1.2MB
Filename
Name
Version
3.7B / 3.7D
OS support
MS-DOS NetWare Server 3 NetWare Server 4 OS/2 Warp 3.x Windows 3.1x Windows 9x Windows NT 3.5x
Arch
x86
Size
1.6MB
Filename
Name
Version
v2329
OS support
Windows 3.1x
Arch
x86
Size
1.7MB
Filename
Name
Version
v2343
OS support
Windows 9x
Arch
x86
Size
1.9MB
Filename
Version
OS support
Arch
Size
Filename
Version
OS support
Windows 9x
Arch
x86
Size
569.7KB
Filename
Version
OS support
Windows 9x
Arch
x86
Size
577.8KB
Filename
Version
OS support
Arch
Size
Filename
Version
OS support
Windows 2000 Windows 9x Windows XP/2k3
Arch
x86
Size
2.2MB
Filename
Version
OS support
Windows 2000 Windows 9x
Arch
x86
Size
1.5MB
Filename
doc 1 board document available
Release date
File
Logs
Release date
File
Logs
Chip
Release date
File
Logs
Chip
Release date
File
Logs
Chip
Release date
File
Logs
Chip
Release date
File
Logs
Chip
Release date
File
Logs
Chip
Release date
File
Logs
Chip
Release date
File
Logs
Chip
Release date
File
Logs
Chip
Release date
File
Logs
Family
Release date
File
Logs
Family
Release date
2002-02
File
Logs
Family
Release date
1998-01
File
Logs
Family
Release date
1998-01
File
Logs
Socket
Release date
File
Logs
Socket
Release date
1999-02
File
Logs
Socket
Release date
1997-05
File
Logs
image1 Image 1 of 1 (Microhouse)

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