Abit BD7II-RAID (i845E) Mainboard
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This board is a typical solution from Abit - it's just quite small;
all typical functions are supported.
Accessories:
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Package of a standard design;
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Documentation: user manual in English;
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Cables: 2 ATA66/100/133 and FDD;
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Bracket with 2 USB ports;
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Bracket for the rear computer panel;
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Diskette with drivers for IDE RAID;
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CD containing:
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drivers;
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user manual in PDF;
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Hardware Doctor (system monitoring utility);
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Adobe Acrobat Reader;
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3Deep;
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software suite from BuzzSoft;
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Norton Antivirus 2002;
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DirectX 8.1
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WinDVD.
The layout is not brilliant: all functional connectors are placed too
close to each other as the board is quite small and contains a great deal
of various controllers. It can be difficult as well to reach a jumper when
the board is already installed. Its function is shown on the textolite.
The 3-channel switching voltage regulator incorporates 6 capacitors
of 3300 uF and 3 of 1200 uF.
The following controllers are integrated:
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audio controller based on the ALC650 AC'97 codec supporting 5.1 audio systems
and having a connector for front audio inputs/outputs;
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network controller based on the Realtek RTL8100B chip supporting 10BaseT/100BaseTX;
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IDE RAID controller based on the HighPoint HPT372 chip supporting RAID
0, 1 and 0+1 on the ATA133 protocol.
Non-unsoldered connectors: none.
The system monitoring is supported by the Winbond W83627HF-AW chip.
What is controlled:
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voltage of processor, AGP bus, memory, +1.25, +3.3, +5 and +12 V, VBAT
and +5 V Standby;
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speed of 3 fans;
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temperatures of the processor (a built-in sensor), the board (a built-in
sensor) and an external sensor connected to the board.
There are 2 connectors for adjustable and 1 for unadjustable connection
of fans.
Brief characteristics of the board: memory slots - 3 DDR SDRAM;
expansion slots - AGP/ 5 PCI; I/O ports - 2 COM/ LPT/ 2 PS/2/ 6 USB 2.0;
dimensions - 305x215 mm.
Adjustment can be carried out with:
| jumpers and switches |
Jumper to clear up the CMOS |
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| BIOS based on the AWARDBIOS 6.00PG from Phoenix |
Setup of memory timings |
+ |
CAS Latency, Active To Precharge Delay, RAS to CAS Delay, RAS
Precharge |
| Setup of memory frequency |
+ |
at FSB 100 MHz:
CPU/Memory = Auto, 1:1, 3:4
at FSB 133 MHz:
CPU/Memory = Auto, 1:1, 4:3 |
| Setup of AGP bus |
+ |
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| Setup of PCI bus |
- |
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| Changeable scaler of AGP and PCI buses |
+ |
PCI (AGP/2) = 33 MHz, 37 MHz, 44 MHz, FSB/3, FSB/4 |
| Manual assignment of interrupts |
+ |
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| Changeable FSB frequency |
+ |
100-250 MHz in 1MHz steps |
| Changeable CPU multiplier |
+ |
x8-x24 |
| Changeable core voltage |
+ |
+5%, +10%, +15% |
| Changeable memory voltage |
+ |
2.5, 2.6, 2.7 V |
| Changeable chipset voltage |
- |
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| Changeable AGP bus voltage |
- |
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We used the latest available version of the BIOS - BIOS 9X.
This is a good board and it will suit a wide circle of users. It is
rich in controllers and tools for fine adjustment of the system.
Test results:
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