SUPER P6DBS/P6DBE/P6DBU/P6SBU/P6SBS/P6SBA/P6SBM Manual
1-28
1-9 AIC-7895 MultiChannel
TM
Single-Chip UltraSCSI
The SUPER P6DBS/P6SBS has an onboard SCSI controller that is 100%
compatible with all major operating and hardware platforms. PCI 2.1 and
SCAM Level 1 compliance are assured. Two independent UltraSCSI chan-
nels provide a per channel data transfer rate of 40 MB/s. Connectors
include two 68-pin 16-bit Ultra Wide SCSI connectors (JA1/JA2) and a 50-
pin 8-bit Ultra SCSI connector (JA3). You can connect up to 15 devices
(seven 8-bit internal and eight 16-bit internal or external SCSI devices, or 15
wide internal and external SCSI devices).
When Fast SCSI devices are connected, the total length of all cables (inter-
nal and external) must not exceed 3 meters (9.8 ft) to ensure reliable opera-
tion. If no Fast SCSI devices are connected, the total length of all cables
must not exceed 6 meters (19.7 ft).
The AIC-7895 consolidates the functions of two SCSI chips, eliminating the
need of a PCI bridge. Reducing PCI bus loading allows you to expand your
system capabilities with additional PCI devices.
The AIC-7895 functions with Adaptec RAIDport II (ARO1130SA/CA) to
deliver RAID functionality. For information on installing onboard SCSI under
Windows NT, refer to pages 3-6 and 3-7 in the FAQ section of this manual.
The Super I/O provides functions that comply with ACPI (Advanced Con-
figuration and Power Interface), which includes support of legacy and ACPI
power management through an SMI or SCI function pin. It also features
auto power management to reduce power consumption.
The Super I/O complies with the Microsoft PC98 Hardware Design
Guide. IRQs, DMAs and I/O space resources can flexibly adjust to meet
ISA PnP requirements. Moreover, it meets the specifications of PC98's
power management requirements: ACPI and APM (Advanced Power Man-
agement).
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