U-Board ST1A rev:B
Logs
chipChipset
cpuSocket
Socket 3 (PGA237)
speedFSB speeds
25MHz33MHz40MHz50MHz
moboForm factor
Baby AT (max 220 x 330 mm)
dimDimensions
254 mm x 218 mm
chipCache
128KB256KB512KB
ramMax RAM size
256MB
ramRAM types
72-pin FPM72-pin EDO
pwrPSU connector
AT (6-pin P8 + 6-pin P9)
maxcpuMulti CPU support
no
connI/O ports
1x 
AT Keyboard
1x 
Floppy interface
2x 
IDE interface
1x 
Parallel
2x 
Serial
cardExpansion slots
4x 
16-bit ISA
3x 
32-bit PCI
Last updated 2025-09-05T10:19:59Z
Board info score is 9.2/10
chip Chips
-> Chipset part
UMC UM8881F UMC UM8886AF
-> Signal transmitter/receiver
UMC UM8667 (2 Port RS-232 Driver/Receiver)
-> Super I/O
UMC UM8663
cpufam CPU family support
bios 3 BIOS files available

vendor Award - 3 entries

POST string
Note
Core Ver.
BIOS Ver.
Logs
POST string
03/20/96-UMC-881/886A-2A4X5U03C-00
Note
patched for better sd2ide compatibility
Core version
4.50G
BIOS version
Logs
POST string
03/20/96-UMC-881/886A-2A4X5U03C-00
Note
Core version
4.50G
BIOS version
Logs
POST string
03/20/96-UMC-881/886A-2A4X5000C-00
Note
Core version
4.50G
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
File
Logs
Chip
Release date
File
Logs
Chip
Release date
File
Logs
Family
Release date
File
Logs
Family
Release date
1996-03
File
Logs
Family
Release date
1995-07
File
Logs
Family
Release date
1995-10
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 2 (evasive)
image2 Image 2 of 2 (ychh0)

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