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Amptron DX9700 486 cache module

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First post, by M4tthewd

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Hello! I have an Amptron DX9700 rev. 3.2 motherboard, and it has a cache module. Or at least what appears to be and my cache stick fits but it does not work. Further investigation lead me to this page: http://th2chips.freeservers.com/m919/

Where it states the cache module is not a cache module and a cache module will not work. It doesn't state why though. Im just curious if anyone knows why and has come across similar things.

Reply 1 of 5, by tpowell.ca

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This is actually a PC-Chips M919 motherboard.
It uses a proprietery connector for the cache stick, and is absolutely not compatible with Pentium/socket 5/7 style COAST modules.

Unless your module looks something like this:

m919cache.jpg
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m919cache.jpg
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637.66 KiB
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530 views
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Fair use/fair dealing exception

I would advise against using it.

If it does look like this, how did you confirm that it did not work?

  • Merlin: MS-4144, AMD5x86-160 32MB, 16GB CF, ZIP100, Orpheus, GUS, S3 VirgeGX 2MB
    Tesla: GA-6BXC, VIA C3 Ezra-T, 256MB, 120GB SATA, YMF744, GUSpnp, Quadro2
    Newton: K6XV3+/66, AMD K6-III+500, 256MB, 32GB SSD, AWE32, Voodoo3

Reply 2 of 5, by M4tthewd

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Exactly like that? No the one I have I've attached a picture. When I installed it, the pc wouldnt boot or post at all. When I took it out it did. Repeated to make sure it was seated properly and same result.

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Reply 3 of 5, by tpowell.ca

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M4tthewd wrote:

Exactly like that? No the one I have I've attached a picture. When I installed it, the pc wouldnt boot or post at all. When I took it out it did. Repeated to make sure it was seated properly and same result.

That is a Pentium-generation COAST module.
You're lucky your board didn't go up in smoke with that installed as the pinout is completely incompatible.

  • Merlin: MS-4144, AMD5x86-160 32MB, 16GB CF, ZIP100, Orpheus, GUS, S3 VirgeGX 2MB
    Tesla: GA-6BXC, VIA C3 Ezra-T, 256MB, 120GB SATA, YMF744, GUSpnp, Quadro2
    Newton: K6XV3+/66, AMD K6-III+500, 256MB, 32GB SSD, AWE32, Voodoo3
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