ALI M1487 PDF
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I’d rather not tear the sticker off to find out I’m a stickler for detailsbut I suppose I could drop the chip into to one of my device programmers and see if they can identify the chip using the device ID bits. Board index All times are UTC. Does anyone familiar with either of these boards have any comments or suggestions on any particular settings I may need to adjust on either board that may account for such a dramatic difference?
I did not bother to check mine with EDO. Faster than SiS as well. The more I learn, the more I realize how much I don’t know. One of my cyrix 5x chips needed 3. Sure enough the memory benchmarks dropped by a pretty noticeable amount, so it does seem like the ALi chipset will indeed leverage EDO RAM when available and unlike SIS, provides a tangible improvement in performance.
M1487 B1 M1489 A1 M1451A1 M1431 A2
Thanks for the detailed reply! That is the case with SiS boards anyway. The 3 jumpers to the right of the clock generator controls the FSB.
I have never witnessed first hand or second hand any improved benchmark results when using EDO on a PCI motherboard. I’d use a trimmer rather than a fixed resistor if you’re testing for an IBM 5x Dual Xeon X 4. Has anyone else experienced this? Last edited by FesterBlatz on There is no material that is knowingly illegal here.
I also have reason to suspect this is the clock generator for the SMT Terminator. I would not have thought the difference so large. And stick with K cache.
The Mother Board
Also, have you read this post? I’d be happy run some time demos. The one above to the left of the clock generator controls the PCI divider. The LSe manual I have doesn’t explain what the individual CPU selection jumpers are, only where to put them for a particular processor.
PC Chipsets documentation: ALi
Users browsing this forum: If anyone in the states has a spare S3 Treo64 they’d like to send I’d gratefully accept, otherwise I can hunt one down on eBay.
I could probably epoxy an angled pin header right to the top of the clock generator to add third jumper. For reference, I’ve attached a manual and board layout if anyone wants to take a look. Parity should theoretically decrease performance since it’s more overhead for the chipset to calculate the parity bits, so for the purpose of testing I was hoping to ensure parity isn’t being used on either board.
I’m also adding the manual in case someone stumbles over this thread in the future and needs it. When I get some time tonight I’ll look closer and see if I can figure out which jumpers are for the multipliers.
This board isn’t as popular as the LS there’s barely any information available. I suspect the memory performance differences may be related to the fact that you are using EDO memory, which not always means better performance in Based on the 33MHz results there appears to be some real potential here! You do not have the required permissions to view the files attached to this post.
I checked the ram sticks and 2 of them out of 3 were EDO. This disclaimer is brought to you thanks to the BSA. I can’t find any datasheets for it. Since I’d likely never need to use the 4V option, I could always replace the relevant divider resistor to change the 4V selection to 3.
I’ll have to take a look at modbin, it would certainly be useful to have some control over parity since most of my DRAM modules are bit. Besides needing to add a 3rd clock speed jumper S2 to the clock generator, I think the most difficult part of achieving 66MHz might be figuring out which jumpers are the PCI divider assuming it has one and CPU multiplier. This site hosts no abandonware. Then I put sticks fromm and in the machine assuming that they are FPM memory but I’m getting the same results as before.
I had K of cache installed, which can sometimes influence what fastest cache timings are stable. Perhaps RAM write to 1 ws. One thing to note: I’d like to be sure it’s an even comparison Return to General Old Hardware. This really limits its usefullness with an Am5x or Cyrix 5x I bought these two boards from a Ukrainian eBay seller and after some minor repairs both are in tip-top shape.
I’m looking forward to your test results of EDO vs. Others will run well at 3.