Mail Archives: opendos/2001/02/27/13:50:11
Pat wrote:
>All the autodetect hard drive does is reads the drives'
True, but if you don't have a drive many BIOSes will be very slow on
detecting this, thereby increasing the time to start the computer with 2-4
seconds (per drive).
>There are several AT boards still available. They are getting a
>little harder to find, but they are out there. You can also look
>in the used market for them. Also look for what they call BAT
>boards. These will work in AT or ATX cases and have both power
>connectors.
I've always wondered why the one I have that have both was called AT - it
wasn't ;-)
>Yes they are, but who needs this for a DOS box. Why not just find
>some older technology real cheap.
This is true.
>> BTW: I've never even heard of a 166MHz bus.
>
>I don't know if this is a standard or not, but some motherboards
>may have this capability. I have never heard of 112Mhz and 124MHz
>FSB, but I have seen questions about these speeds, which probably
>means that someone played with various jumper settings and found
>them to be available. Since 166 is double 83, it would not seem
>unreasonable.
83, 112, 124 and such are "tweaks".
66 (Celeron, original Pentium (and Pentium Pro?)), 100 (Pentium II/III (and
MMX?), AMD K6-x, Duron and Athlon), 133 (AMD Duron and Athlon) and 166 (I
have no idea - probably Athlon, but they do exist) are "real" speeds.
200 and 266 are other "tweaks" to get the speed somewhat better
BTW: PC-100 beats 400MHz RDRAM (Pentium IV) easily unless you read big
chunks in a row from RAM.
>This has become very common. These boards use the 80 pin SCSI
>connectors. They have been around for quite awhile. I think I have
>seen some with SCSI RAID controllers on them.
Interesting, I saw a motherboard with IDE RAID on it when I was
investigating the market. But I didn't feel a need to buy more than one HD
so I never looked into it.
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