Biostar MB-8500TAC-A (VER. 5)
Chipset
CPU socket Socket 7 (PGA321)
CPU family
Pentium (P54)
FSB speeds 50MHz60MHz66MHz
Cache
256KB512KB
RAM type 72-pin EDO
Max RAM size
128MB
PSU connector
AT-Style (P8-P9)
Form factorBaby-AT (max 220 x 330 mm)
Dimensions275mm x 220mm
I/O ports1x
Floppy interface
2x
IDE interface
1x
PS/2 mouse
1x
Parallel
2x
Serial
1x
AT Keyboard
Expansion slots3x
32-bit PCI
4x
16-bit ISA
Known issues:
- DALLAS RTC coin cell empty
The motherboard's Real-Time Clock (RTC) chip contains a coin cell that may have drained, causing the loss of CMOS settings. This can result in an inability to save settings, causing system instability or failure to boot. To fix this, the RTC chip can be replaced with an equivalent or repaired by cutting into it and soldering on a new external coin cell holder. Replacement guides are available at https://github.com/necroware/nwX287 or https://github.com/necroware/nw12887, depending on the actual chip used.
Last updated 2022-04-13T13:48:54Z
Chipset
Chipset parts
Intel 82437FX (TSC)
Intel 82371FB (PIIX)
Intel 82438FX (TDP)
Drivers:
1 entry
Language
Media type
OS Compatibility
Name
Version
1x
OS/2 Warp 3.0
Windows NT 3.5
Windows 95
Windows NT 3.51
Windows NT 4.0
Unknown
BIOS images:
6 files
Manuf.
POST String
Note
Core Ver.
BIOS Ver.
Other files:
not available
Model
Speed
FSB
Voltages
L1 Cache
L2 Cache
L3 Cache
Core
Process
TDP
No NPUs listed.
Image 1 of 1 (Microhouse)
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