AB-PB4 - MAME machine
45505
abpb4
AB-PB4
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GAME SYSTEM CHD BIOS DEVICE PARENT CLONE MECHANICAL SCREENLESS
Main data
Romset and name:
abpb4 AB-PB4
Short name:
AB-PB4
Manufacturer:
Abit
Year:
199?
Genre:
Computer
Category:
Computer / Business - Terminal
Serie:
-
Driver source:
Language:
Similar games:
Input / Controls
Players:
Only one supported
Input:
Mouse, Keyboard
Buttons / keys:
108
Coins:
0
Cabinet:
-
Free-play:
Not supported
Rankings
Average user rating:
AntoPISA BestGame:
-
MASH All-Time:
-
Video
Display:
640x480@60.054866 Hz, CRT 31kHz
Orientation:
Horizontal
Scrolling:
Unknown
Colors:
-
CPU:
AM9517A, Intel 8042AH, Intel 8051, Intel I486
Audio
Sound:
4 audio channel
Audio chips:
Filtered DAC, Floppy sound, Speaker
Romset
First release:
Last release:
Clone of:
Bios:
Not required
Use rom of:
-
Use sample of:
-
Previous romset:
None
New romset:
None
Files
Dump:
GOOD
Required files:
Romset:
Status
OVERALL:
PRELIMINARY
Emulation:
Preliminary
Graphic:
Imperfect
Color:
Good
Sound:
Good
Cocktail:
Good
Protection:
Good
Save state:
Not supported
Additional info
- History
- Info
- Score
- PCB
- Commands
- Init
- Driver
- XML
- Motherboard:
AB-PB4 © 199? Abit
The Abit AB-PB4 is the performance-oriented flagship of the Abit P-series. Built upon the ALi (Acer Laboratories Inc.) M1489/M1487 chipset (the "FinALi" architecture), it is widely considered the best platform for maximizing the performance of late-era 486 and "5x86" processors.
TECHNICAL
Chipset: ALi M1489 / M1487 ("FinALi-486").
CPU Support: Socket 3. Supports Intel 486SX/DX/DX2/DX4, AMD Am486, Am5x86-P75, and Cyrix 5x86.
Expansion: 3x PCI slots, 4x ISA slots.
Memory: 4x 72-pin SIMM sockets (EDO DRAM supported).
Form Factor: Baby AT.
Cache: 256KB/512KB L2 cache (DIP-socketed).
TRIVIA
The "5x86" Benchmark: The AB-PB4 is legendary among retro-enthusiasts as the "Gold Standard" for the AMD Am5x86-P75. The ALi chipset allowed for aggressive memory timing adjustments that other chipsets (like the SiS 496/497) could not maintain, often allowing this board to outperform the AB-PV4 in integer-heavy DOS benchmarks.
Jumper Flexibility: This board was a dream for early "overclockers." The jumper table printed on the board allowed for precise voltage adjustments (3.3V, 3.45V, 3.6V, 4V, 5V), which was essential for pushing the early 3.3V processors without burning them out.
CONTRIBUTE
Edit this entry: https://www.arcade-history.com/game/235611/?o=2Information provided by © Alexis BousigesInformation provided by Contribute to the translation - Information provided byInformation provided by / © Copyright of Fujix
- Information provided by
- Information provided by
- Information provided by Fabricio Coroquer, revisited from the work of
NOTICE: The short version was discontinued in November 2019 - Information provided by Contribute
- Information provided by
- Information provided by
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The specified text will be sent to the site ProgettoSnaps by AntoPISA and integrated with the existing one.
Updates are scheduled on a monthly basis so except in special cases you may not immediately see the changes.
Romset:
abpb4
Title:
AB-PB4
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AB-PB4
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