Overclocking an Oldie Anthelon XP 1800+

Hewlett-packard 1gb pc3200 ddr dimm dual...
December 28, 2009 at 17:35:39
Specs: Windows XP, Anthlon XP 1800+, 1 gb ram
Hi,

I am trying to improve the performance of a co-workers old computer. His old PC2100 ram was very tempermental and aside from not constantly reporting itself entirely in the bios, the system was very unstable.

So now I've put some PC3200 ram in place of the PC2100 on the Shuttle AK32L motherboard(VIA KT266 socket A), and I'm trying to get the best overclocking the performance out of the system while remaining stable. Since the new ram is faster, I figure I should be able to do something. :)

The processor is an Anthlon XP 1800+.

Any ideas? I have found this old post (http://www.computing.net/answers/cpus/overclocking-amd-1800/13957.html#postfp)
but their system was not reporting the cpu correctly and a different motherboard so the same things suggested probably won't work the same.

Here's my CPUZ info.
Processor 1 ID = 0
Number of cores 1 (max 1)
Number of threads 1 (max 1)
Name AMD Athlon XP
Codename Palomino
Specification AMD Athlon(tm) XP 1800+
Package Socket A (462)
CPUID 6.6.2
Extended CPUID 7.6
Core Stepping A5
Technology 0.18 um
Core Speed 1535.4 MHz
Multiplier x FSB 11.5 x 133.5 MHz
Rated Bus speed 267.0 MHz
Instructions sets MMX (+), 3DNow! (+), SSE
L1 Data cache 64 KBytes, 2-way set associative, 64-byte line size
L1 Instruction cache 64 KBytes, 2-way set associative, 64-byte line size
L2 cache 256 KBytes, 16-way set associative, 64-byte line size
FID/VID Control no

K7 Thermal sensor yes

Chipset
-------------------------------------------------------------------------

Northbridge VIA KT266/333 rev. 00
Southbridge VIA VT8233 rev. 00
Graphic Interface AGP
AGP Revision 2.0
AGP Transfer Rate 4x
AGP SBA supported, enabled
Memory Type DDR
Memory Size 1024 MBytes
Memory Frequency 133.5 MHz (1:1)
DRAM Interleave none
CAS# latency (CL) 2.0
RAS# to CAS# delay (tRCD) 2
RAS# Precharge (tRP) 2
Cycle Time (tRAS) 6

Memory SPD
-------------------------------------------------------------------------

DIMM # 1
SMBus address 0x50
Memory type DDR
Manufacturer (ID) Micron Technology (2CFFFFFFFFFFFFFF)
Size 512 MBytes
Max bandwidth PC3200 (200 MHz)
Part number 8VDDT6464AG-40BD2
Serial number 1B68B608
Manufacturing date Week 03/Year 05
Number of banks 1
Data width 64 bits
Correction None
Registered no
Buffered no
Nominal Voltage 2.50 Volts
EPP no
XMP no
JEDEC timings table CL-tRCD-tRP-tRAS-tRC @ frequency
JEDEC #1 2.0-2-2-6-0 @ 133 MHz
JEDEC #2 2.5-3-3-7-0 @ 166 MHz
JEDEC #3 3.0-3-3-8-0 @ 200 MHz

DIMM # 2
SMBus address 0x51
Memory type DDR
Manufacturer (ID) Micron Technology (2CFFFFFFFFFFFFFF)
Size 512 MBytes
Max bandwidth PC3200 (200 MHz)
Part number 8VDDT6464AG-40BD2
Serial number A4057FC1
Manufacturing date Week 04/Year 05
Number of banks 1
Data width 64 bits
Correction None
Registered no
Buffered no
Nominal Voltage 2.50 Volts
EPP no
XMP no
JEDEC timings table CL-tRCD-tRP-tRAS-tRC @ frequency
JEDEC #1 2.0-2-2-6-0 @ 133 MHz
JEDEC #2 2.5-3-3-7-0 @ 166 MHz
JEDEC #3 3.0-3-3-8-0 @ 200 MHz


Thank you!


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#1
December 28, 2009 at 17:36:55
I forgot to mention, the computer is running the 400mhz memory run at 266mhz.

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#2
December 28, 2009 at 18:21:48
I wouldn't expect too much out of that setup. The Palomino is not great overclocker & neither is the old KT266. And since the PCI/AGP can't be locked at their defaults, 150MHz (300MHz FSB) would be the max safe frequency. You probably won't be able to hit 150MHz frequency but let's say you can get it up to 142MHz which would put the CPU clock at 1633MHz (11.5 x 142MHz) for a whopping 6% overclock...do you really think there'd be a noticeable difference?

"I forgot to mention, the computer is running the 400mhz memory run at 266mhz"

That's exactly what you want anyway. For best performance on an AMD Athlon/AthlonXP system, the CPU:DRAM ratio should be 1:1.


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