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1. Build MP table
2. Build & update ESCD.
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3. Set CMOS century to 20h or 19h
4. Load CMOS time into DOS timer tick.
5. Build MSIRQ routing table.
FF
Boot attempt (INT 19h)
Appendix
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Appendix
IDE RAID Installation
Introduction
The motherboard includes a high-end Ultra ATA/133 RAID (0 or 1) hard drive
interface specifications supported through Promise® PDC20276 controller.
The Ultra ATA/133 interface boosts data transfer rates between the computer and
the hard drive up to 133 megabytes (MB) per second. The new interface is one-third
faster than earlier record-breaking Ultra ATA/100 technology and is backwards
compatible with Ultra ATA100/66/33 interface drives.
The low-cost RAID (Redundant Array of Independent Disks) solution integrates two
IDE RAID connectors that support PIO mode 0-4, Bus Master, and Ultra DMA
33/66/100/133 modes. The IDE RAID connectors allow you to connect Ultra
ATA/DMA hard disks and use RAID technology (RAID 0 striping or RAID 1
mirroring) for high performance, data security and fault tolerance.
RAID 0 (Data striping) this will optimize two identical hard disk drivers to read
and write data in parallel, interleaved stacks. Identical drives can read and write data
in parallel to increase performance and storage.
RAID 1 (Data mirroring) this will copy and maintain an identical image of data
from one drive to another. It will increase read performance through load balancing
and elevator sorting while creating a complete backup of your files. It provides data
protection and increases fault tolerance to the whole system.
Steps for Installing your IDE RAID
The Promise PDC20276 Chip supports Ultra ATA 133/100/66/33 hard disk. For
optimal performance, install identical drivers of the same model and capacity when
creating a disk array.
RAID 0 (Data striping)
For performance use two new drives when creating a RAID 0 array.
RAID 1 (Data mirroring)
For protection use two new drives or use an existing drive and a new
drives (The new drive must be larger or the same as the existing drive)
when creating a RAID 1 array.
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