AOpen AX4B Pro (i845D) Mainboard
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The board from the famous company is based on the black textolite with
a silvery aluminum heatsink.
Accessories:
- Package of a typical colorful design with a cut-out;
- Documentation: a user manual in 4 languages; a poster with brief description
of functional connectors and switches;
- Cables: 1 ATA66/100 and 1 FDD;
- Register card for a user;
- CD including:
- drivers;
- manuals for many AOpen boards;
- system monitoring programs;
- Adobe Acrobat Reader;
- DocuCom;
- E-Color;
- Norton Crash Guard;
- Norton Antivirus 98;
- Norton Antivirus 2001.
The layout is rather good, except audio-ins which
are located in front of PCI slots. It's not difficult to reach jumpers
even when the board is already installed. On the back side there
is a plastic plate meant for massive coolers.
The 3-channel switching voltage regulator incorporates
12 capacitors of 2200 uF.
The following controllers are integrated: an audio
one based on the capabilities of the chipset and an Analog Devices
codec (AD1885).
The board supports AOpen's Dr. Voice technology
(which reports about problems occurred during booting), and there
is space for the second EEPROM chip for the DieHard BIOS technology
(similar to the DualBIOS of Gigabyte).
Non-unsoldered connectors: connectors for readers
of smart cards and flash cards of the Memory Stick format. To realize
them it's necessary to have a different I/O connector.
The system monitoring is supported. Processor voltage
(+/-3.3, +/-5 and +/-12 V), speed of 3 fans and temperatures of
the processor (a built-in sensor) and the board (a built-in sensor)
can be controlled. There are 3 connectors for adjustable connection
of fans.
Brief characteristics of the board: memory
slots - 3 DDR SDRAM; expansion slots - AGP/ 5 PCI/ CNR; I/O ports
- 2 COM/ LPT/ 2 PS/2/ 4 USB; dimensions - 305x245 mm.
Adjustment can be carried out with:
| jumpers and switches |
Jumper to clear up the CMOS |
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| Jumper to make possible to start
up a computer with a PS/2 keyboard |
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| Jumper to enable/disable an integrated
piezoelectric speaker |
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| Jumpers to choose a language of
the Dr. Voice function |
English, German, Chinese, Japanese |
| Jumpers to choose a mode of the
DieHard BIOS function |
Normal/Rescue |
| BIOS based on v6.00PG from Award |
Setup of memory timings |
+ |
CAS Latency, RAS to CAS Delay, RAS Precharge
Delay, Active Precharge Delay, Idle Timer |
| Setup of memory frequency |
+ |
DDR200/DDR266 |
| Setup of AGP bus |
+ |
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| Setup of PCI bus |
+ |
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| Changeable scaler of AGP and PCI buses |
- |
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| Manual assignment of interrupts |
- |
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| Changeable FSB frequency |
+ |
100, 105, 111, 120, 133 MHz |
| Changeable CPU multiplier |
+ |
x8-x50 |
| Changeable core voltage |
- |
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| Changeable memory voltage |
- |
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| Changeable chipset voltage |
- |
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| Changeable AGP bus voltage |
- |
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We used the latest available version of the BIOS
- 1.02.
The board has an average speed, is quite stable
and will be a good purchase for an average user.
Test results:
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