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3 Interface Devices and Mass-Storage Drives
SCSI / LAN Combo Board
By default, the internal SCSI bus is configured to run in Ultra-SCSI mode
(providing a maximum band-width of 40 MB/s. The user may configure the
SCSI system using the SCSI Configuration Utility, included in the system
BIOS. This utility is described in more detail on page 77
.
SCSI-configured-automatically (SCAM) support is provided at level 2, for
Plug and Play. However, hot swap is not supported. The controller is BBS
compliant.
External (8-bit) SCSI
connector
The Ultra narrow 8-bit SCSI connector uses addresses ranging from 0 to 7. As
with the 16-bit internal SCSI connector, the SCSI address 0 is used by the first
SCSI hard disk drive and SCSI address 7 is reserved for the integrated SCSI
controller (the default for wide and narrow SCSI devices).
SCSI / PCI LAN Combo Board Features
Interface Features
PCI Interface
Full 32-bit DMA bus master.
Zero wait-state bus master data bursts.
Universal PCI bus voltage support.
SCSI Interface 16-bit single ended.
Automatically enabled active termination
Fast and Ultra SCSI data transfer capability.
SCSI TERMPWR source with auto-resetting circuit breaker
SCAM (SCSI Configured AutoMatically).
Serial NVRAM (Non-Volatile RAM) for configuration utility and SCAM.
Flash BIOS.
Fast and Ultra SCSI controlled by external SCSI cable detection.
Ultra speed requires 1.5m maximum SCSI bus.