Universal Scientific Ind. (USI) Pro-860 series
Logs
chipChipset
cpuSocket
Socket 7 (PGA321)
speedFSB speeds
60MHz66MHz75MHz
moboForm factor
LPX (max 229 x 330 mm)
dimDimensions
355mm x 304mm
ramMax VRAM size
4MB
chipCache
512KB
ramMax RAM size
256MB
ramRAM type
SDR UDIMM
pwrPSU connector
ATX 1.x (20-pin ATX)
tag Also known as
connI/O ports
1x 
Floppy interface
1x 
Gameport
2x 
IDE interface
1x 
PS/2 mouse
1x 
Parallel
2x 
Serial
2x 
USB 1.x
1x 
VGA
cardExpansion slots
1x 
16-bit ISA
2x 
32-bit PCI
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

OEM USI Pro-860A (Aptiva 2156-Dxx) or USI Pro-860B (Aptiva 2156-1xx) board

Last updated 2025-06-24T19:48:24Z
Board info score is 9.6/10
bios 1 BIOS file available

vendor Award - 2 entries

POST string
Note
Core Ver.
BIOS Ver.
Logs
POST string
10/09/1998-SiS5598-W877T-2A5IIU1KC-00
Note
Core version
4.51PG
BIOS version
NPC860A 3.0
Logs
POST string
03/10/1999-SiS5598-W877T-2A5IIU1MC-00
Note
Core version
4.51PG
BIOS version
Logs
drv No drivers available
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
1998-03
File
Logs
Family
Release date
File
Logs
Family
Release date
1999-12
File
Logs
Family
Release date
2000-04
File
Logs
Family
mP6
Release date
1999-05-27
File
Logs
Family
mP6
Release date
1999-05-27
File
Logs
Family
Release date
2000-11
File
Logs
Family
Release date
1997-06
File
Logs
Family
Release date
1998-01
File
Logs
image1 Image 1 of 5 (Microhouse)
image2 Image 2 of 5 (timw4mail)
image3 Image 3 of 5 (timw4mail)
image4 Image 4 of 5 (timw4mail)
image5 Image 5 of 5 (timw4mail)

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