AOpen
AOpen, a subsidiary of Acer, was a manufacturer of motherboards and sound cards for the IBM PC and its compatibles during the DOS era, first founded in late 1996.
Motherboards
AP53
Year: 1996 This board supports Cyrix 6x86 P120+ up to P166+ CPUs. Supports 66 MHz FSB. Comes with 512 KB of L2 cache onboard. |
AP55CS
Year: 1996 Supports AMD K5 and K6, Cyrix M2, and Intel Pentium.
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AP57
Year: 1996 This board supports Pentium P54C, Pentium MMX 150-233 MHz, Cyrix 6x86 P120+ up to P166+, AMD K5 from PR90 up to PR166, and K6 PR166/PR200. CPU core voltage ranges from 2.5V - 3.45V. For Cyrix chips, a jumper on the board (JP22) can be used to set Linear Burst Mode on.
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AP5S
Year: 1996 This board supports Cyrix 6x86 P120+ up to P166+ CPUs, AMD K5 and K6, and Cyrix M2.
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AX5T
Year: 1997 Revision 3 has some voltage selection jumpers that are probably reserved for 2.1 or 2.2 V core voltage. Thanks to the 430TX chipset it features the same limitations (64 MB cacheable, no ECC) and advantages (UDMA/2, SDRAM support). Its performance is good, as with the AP5T. Other manufacturers should take a look at some of the AOpen features, e.g. the admirable stability at 75 and 83 MHz bus speed; you can say it's more stable than fast at 83 MHz. The only comparable boards are the ABit AB-TX5 and partially the Shuttle HOT-565/569. Supported bus frequencies are 60-83 MHz. |
AX6B
Year: Spring 1998 A decent 440BX motherboard with no compatibility issues, can run almost any type of SDRAM, and supports FSB settings from 66 up to 133 MHz.
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AX6BC
Year: 1998 Supports the following CPUs: Intel Pentium II 233 to 400 MHz, Pentium III 450 to 700 MHz, and Intel Celeron 300A, 366, and 400. The memory slots support SDRAM and buffered SDRAM modules.
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AX37 Plus / AX37 Pro
Year: 199?
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MX59 Pro
Year: ?
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Sound Cards
FX-3D / Plus
Year: 199? This is a Plug & Play card with a wavetable header.
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FX-3D Pro Radio
Year: 2000 ? Compatibility: Ad Lib, Sound Blaster, Sound Blaster Pro, Windows Sound System. The FX-3D Pro Radio was essentially the same FX-3D Plus card, but with an onboard FM radio receiver. This came with software that allowed automatic scanning of radio stations, or stepping in 5 kHz steps across a frequency band of 87 - 108 MHz. You could then store preset frequencies for easier return to your favourite stations later. The software also allowed for recording of radio audio to a .WAV file. Game/MIDI port is MPU-401 compliant. Software Included: |