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Game Accelerator BIOS: ABIT has released a new BIOS that contains a feature called the Game Accelerator. We weren't able to provide benchmarks with our IC7 review earlier this week, but we got them here today.
 
 
Date: June 20, 2003
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If you've read a few ABIT IC7 and IS7 reviews the past few weeks, you'll probably know that the much cheaper Springdale based IS7 has been performing on par with the Canterwood based IS7. Considering the price difference between the two boards, the IS7 appears to be the smarter choice. How can that be, given that the Canterwood has Intel's Performance Acceleration Technology (PAT), but the Springdale does not? The answer can be found in the new "Game Accelerator" BIOS that ABIT released for the IS7 a few weeks ago.

I never did understand why such an optimization would be exclusive to a "mainstream" board, but late last week we got our hands on a BETA BIOS for the IC7 that contains the same optimizations as those found in the IS7.

What is the Game Accelerator?

It's called the Game Accelerator BIOS, but that isn't really accurate. The "Game Accelerator" is actually a feature found in the "Advanced Chipset Features". The rest of the BIOS is essentially unchanged otherwise. from ABIT's site:

"Users have a choice between "Auto", "Turbo", "Street racer" and "F1" so they can optimize their system performance according to their memory modules. The IC7-G will also come equipped with these new settings. With each setting, users can push their overall PC performance further and further. Those who select F1 in the BIOS settings are looking to get Formula 1 performance from their desktop PC, and so should be prepared to unleash raw computing power."

The way the optimizations work is exactly as described above. The Game Accelerator tweaks your memory, and as we already know, tweaked memory improves overall system performance. Basically, you'll want to run your CPU and memory synchronous with each other; i.e., 1:1. Depending on how solid your ram is, either you can the timings before hand, or set it to SPD. Afterwords, you set your ram to one of the four settings, Auto, Turbo, Street Racer or F1. I should point out that Street Racer and F1 may not work on all memory modules. I had a lot of difficulty getting our Corsair TWINX to behave at F1, and it only worked when I relaxed the timings to 2.5-3-3-7, which ended up performing close to 2-3-3-6 at Street Racer settings.

Test Setup

ABIT IC7 : Pentium 4 2.4C (12x200: 2.4GHz), 2 x 256MB Corsair TWINX PC3200 Ram, AiW ATi Radeon 9700 Pro, 80GB Western Digital, Windows XP SP1, ATi Catalyst 3.4

Test software will be:




AVI-to-MPG Encoding
CPU Tests
Unreal Tournament 2003
Quake 3: Arena
Jedi Knight 2



Pre-Game Accelerator (referred to as IC7-Pre-GA in the graphs) scores were compiled in our ABIT IC7 review, so if you wanted more info on that, as well as on the IC7 itself, feel free to check it out.

SiSoft CPU Arithmetic Benchmark

SiSoft CPU Multimedia Benchmark

There's very little change in the CPU based numbers. The new BIOS targets the memory though, so let's check those out.

SiSoft Memory Benchmark

Here the differences are a lot more dramatic. Typically, faster memory will affect overall system performance, so let's look at some application benchmarks.

PC Mark 2002

CPU scores are close again, but the differences in memory performance illustrate the improvements made by ABIT's engineers.

PiFast

We used a computation of 10000000 digits of Pi, Chudnovsky method, 1024 K FFT, and no disk memory. Note that lower scores are better, and times are in seconds.


Lower is Better

Slight improvements in computation times. This reflects a similar trend we've seen with our memory reviews. As memory is tweaked, the time to compute decrease.

TMPGEnc MPEG Encoding

Video editing is a taxing chore, and we'll be testing the IC7 using TMPGEnc 2.512 to encode a 7.78MB, 1:30 movie trailer to a 23FPS MPG file. Note that lower scores are better.


Lower is Better

Much like PiFast, there isn't a huge difference but a second is a second.

Next Page - Game Benchmarks and Final Words


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