PowerTech MB457
Form factor
Baby-AT (max 220 x 330mm)
PSU connector
AT-Style (P8-P9)
Chipset
Chipset parts
UMC UM8496 UMC UM8498F
Dimensions
Unknown
CPU platform
486
Supported RAM types
30-pin SIMM, 72-pin FPM
I/O ports
1x 
AT Keyboard
Expansion slots
1x 
8-bit ISA
5x 
16-bit ISA

Known issues:

  • Leaky Ni-Cd clock battery.

    Remove the Ni-Cd battery as soon as possible and neutralize the leakage using white vinegar. Some more in-depth look may be needed to properly fix the motherboard. The battery can then be replaced using this https://github.com/wiretap-retro/Not-A-Varta.

Notes

Same board as Pine PT-2068.1

Last updated 2022-11-24T15:06:47Z
drv Drivers: not available
BIOS images: 2 files
Manuf.
POST String
Note
Core Ver.
BIOS Ver.
Award
05/24/95-UMC-498GP-2C4X6000-00
4.50G
Award
12/20/94-UMC-498GP-2C4X6000-00
4.50G
Award
10/20/94-UMC-498GP-2C4X6000-00
4.50G
MB45XB
Award
02/07/95-UMC-498GP-2C4X6000-00
4.50G
doc Documentation: not available
No CPUs listed.
No NPUs listed.

Disclaimer

The info found in this page might not be entirely correct. Feel free to amend this page by logging in, contacting us on Discord or via email.