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Chapter 1 Server Description
Onboard RAID
With the RPX board installed on the system board, RAID software, and
SCSI hard disk drives in the hot-docking bays, you can easily set up RAID
applications. A two channel RAID solution can be constructed by installing
an RPX module with RAID firmware resident in the RPX FLASH memory.
The server system supports two types of embedded RAID firmware
packages: I2O compliant and vendor proprietary firmware. The RAID
features are as follows:
• RAID levels 0, 1, 3, 5, 0+1, and JBOD
• Support for hot spares, hot plugs, and user selectable rebuild rate
• Support for multiple rebuilds across separate arrays and multiple
consistency checks
• Write back cache support with battery backup
• Support for up to 2 terabytes per logical array and up to 64 terabytes of
attached disk storage
• Support for SAF-TE and SMART
Server System Board
ISA Expansion Slots
One of the ISA connectors shares a common chassis I/O expansion slot with
a PCI connector; you can use either ISA or PCI in the slot, but not both.
The ISA bus operates at up to 8.33 MHz and provides
• 24-bit memory addressing
• Type A transfers at 5.33 MB per second
• Type B transfers at 8 MB per second
• 8- or 16-bit data transfers