Tyan Trinity
845e (S2099A) (i845E) Mainboard
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Usually solutions of this company are not trivial. But the today's board is
an entry-level model in the line, that is why it doesn't have any interesting
features. Accessories: - Package of an austere design;
-
Documentation: user manual in English;
- Cables: 1 ATA66/100/133
and FDD;
- Bracket for the rear computer panel;
- CD
containing:
The layout is far not conventional, but the drawbacks are typical: audio-ins
are in front of the PCI, and the IDE and FDD are behind them. When a video card
is installed it's difficult to handle the memory modules, and the cables going
to the power supply connectors stretch right over the processor socket. It's not
difficult to reach the only jumper when the board is already installed. Its functions
are shown on the textolite. The 3-channel switching voltage regulator
incorporates 8 capacitors of 3300 uF and several less capacious ones. The
following controllers are integrated: - audio controller based on
the chipset's capabilities and Avance Logic ALC650 AC'97 codec supporting 5.1
audio systems and having connectors for front audio inputs/outputs and for SPDIF.
Non-unsoldered
connectors: video adapter's chip, video memory chips, network controller and 2
RJ45 connectors, IDE RAID controller and its connectors. The system monitoring
is supported by the Winbond W83627HF-AW chip. What is controlled: -
processor voltage, +3.3, +5 and +-12 V, VBAT and +5 V Standby;
- speed
of 3 fans;
- temperatures of the processor (a built-in sensor) and
the board (a built-in sensor).
There are 2 connectors for adjustable
and 1 for unadjustable connection of fans. Brief characteristics of
the board: memory slots - 4 DDR SDRAM; expansion slots - AGP Pro/ 5 PCI; I/O
ports - 2 COM/ LPT/ 2 PS/2/ 6 USB 2.0; dimensions - 305x245 mm.
Adjustment
can be carried out with:
| jumpers and switches |
Jumper to clear up the CMOS |
|
| BIOS based on the Phoenix AwardBIOS 6.00PG |
Setup of memory timings |
- |
|
| Setup of memory frequency |
+ |
Auto, DDR200, DDR266 |
| Setup of AGP bus |
- |
|
| Setup of PCI bus |
- |
|
| Changeable scaler of AGP and PCI buses |
- |
|
| Manual assignment of interrupts |
- |
|
| Changeable FSB frequency |
+ |
100-165 MHz in 1MHz steps |
| Changeable CPU multiplier |
- |
|
| Changeable core voltage |
+ |
+0.025, +0.5, +0.075 V |
| Changeable memory voltage |
+ |
+0.05, +0.1, +0.15 V |
| Changeable chipset voltage |
- |
|
| Changeable AGP bus voltage |
- |
|
We used the BIOS
1.05 as the latest available version. According to its functions this
board belongs to the entry level but its price is not moderate. The company positions
it as a solution for servers and workstations stressing on its reliability and
error-free operation, but I still don't see lots of prospects for such a restricted
solution. Test results:
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