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PIIX4 vs. PIIX4E South Bridge questions
- To: misc_(_at_)_openbsd_(_dot_)_org
- Subject: PIIX4 vs. PIIX4E South Bridge questions
- From: "John T. Croteau" <johnc_(_at_)_geekopolis_(_dot_)_com>
- Date: Wed, 26 Apr 2000 16:49:24 -0500
How radically different is PIIX4 from the PIIX4E? Judging by the .PDF
revision changes I downloaded from developer.intel.com, it does not look
like the changes are drastic. However, I am no way close to understanding
In a nutshells, what will happen if I try to install on a system with a
PIIX4E South Bridge and an Ultra/66 drive connected to it? Will it work
just fine at /66 speed, will it fall back to a slower DMA mode, fall back
to non-DMA mode (PIO 2?), or will it simply not work at all?
If it won't work at all, what kind of information do I need to beg and
steal away from Intel so the developers can support this common chipset?
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