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Problems
I was still using Win95 OSR2 when I did all these. When my PC booted, it refuses to go
into windows. Always windows protection error, go through safe mode, unable to pin point
the source of error, ended up re-installing windows. I don't know if this is the norm if
you just change your motherboard without re-installing windows. The better option, if you
can, is to start from a brand new hard disk and install a new window after changing
motherboard. Other Win95 related problems like Bus mastering problem, AGP support, etc,
are well documented in Chaintech's website, with solutions given.
Overclocking
After configuring my Win95 back to original state, I began to think about overclocking
(the main reason for buying Celeron). To overclock this baby, an overclocker's bios is
needed from Chaintech's website. The bios update was a breeze, however please read the
instructions carefully as you may have to exchange your board if it fails. Soon I was
playing around with the numbers in the bios page. The speed supported are
66/75/83/100/103/112/133 MHz with multipliers up to 5.5x. Everything is controlled from
the bios page, no jumper settings required.
The first speed I tested was 4x100 and the system ran smoothly like it is meant for this
speed. Went up to 4x103 and 4x112 with no problems, but failed to boot at 4x133 (too
ambitious considering the rams I'm using). After failing at 133MHz, all I need to do is to
hold on to the 'Home' key and reboot the PC, and Presto ! it is back to 266MHz. The CPU
voltage is not adjustable so for all test the voltage remained at 2.0V. I played around
with the Ram timings and found that no matter what I choose, there seems to be no
difference at all. The selections are Auto, CAS 2 and CAS 3. Hmmm.... weird... anyone can
enlighten me on this ? One thing I noticed was that the CPU temperature does not differ
much no matter what speed I use. Be it 400MHz or 448MHz, the temperature hovers between
37-41 degrees depending on usage. This temperature is still considered cool as the Celeron
is able to take up to 85 degrees C ! Don't believe me ? See here.
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Shepherd monitoring program
that comes with 6BTM
PC configuration :
Intel Celeron 266 (SL2QG)
Chaintech 6BTM BX Motherboard
32Mb Samsung PC66 SDRAM (...-G10)
ET 6000 2D Card (PCI)
Cardex 3Dfx Voodoo 1 (PCI)
3Com 10/100 Base 3C905TX (PCI)
AWE64 Value (ISA)
CH Gamecard (ISA)
CH F16 Combatstick
TEAC 6X CD-Rom
IBM 1.7 GB HD (3yrs old)
Quantum 3.2 GB HD (2 yrs old)
Wintune 98 results : The first result is for 400MHz and second for 448MHz (dunno why
Wintune detect it as 437MHZ)
| CPU |
(1) Intel Pentium II with MMX@400 MHz |
| Video Board |
TLI ET6000/ET6100 16-bit Safe/Compatible
4.10.01.0064 |
| Video Mode |
800x600@16bits/pixel |
| RAM |
32 MB |
| OS |
Windows 95b |
| Area Tested |
Value |
| CPU Integer |
1139.898 MIPS |
| CPU Floating Point |
460.7141 MFLOPS |
| Video(2D) |
50.35787 MPixels/s |
| Direct3D |
40.90505 MPixels/s |
| OpenGL |
11.863 MPixels/s |
| Memory |
612.3068 MB/s |
| Cached Disk |
70.54266 MB/s |
| Uncached Disk |
1.371178 MB/s |
| CPU |
(1) Intel Pentium II with MMX@437 MHz |
| Video Board |
TLI ET6000/ET6100 16-bit Safe/Compatible
4.10.01.0064 |
| Video Mode |
800x600@16bits/pixel |
| RAM |
32 MB |
| OS |
Windows 95b |
| Area Tested |
Value |
| CPU Integer |
1273.598 MIPS |
| CPU Floating Point |
515.3124 MFLOPS |
| Video(2D) |
53.55185 MPixels/s |
| Direct3D |
41.54745 MPixels/s |
| OpenGL |
13.19557 MPixels/s |
| Memory |
687.0045 MB/s |
| Cached Disk |
82.52969 MB/s |
| Uncached Disk |
1.367518 MB/s |
Well, since the difference in performance was not much, I'm happy to run the system at
400MHz. At least now all my old 3D games are playable, in fact silky smooth. I'll just
wait for those better rams that can run at 133MHz to become cheaper before I try the
4x133MHz.
Comments ? Drop me a mail !
[email protected]
13 September 1998 11:37 AM
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