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RS/6000 SP and Clustered IBM
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pSeries Systems Handbook
Network equipment such as a MAU and/or switching hub to connect the
token-ring network
UTP or STP cable to attach to the token-ring network
8.2.28 SCSI-2 Ultra/Wide DE PCI adapter (F/C 6204)
The PCI SCSI-2 Ultra/Wide Differential adapter (F/C 6204) provides a differential
SCSI-2 Ultra/Wide interface that can burst data between devices on the SCSI
bus at 40 MBps. F/C 6204 supports Ultra and Fast/Wide synchronous data
transfers and it supports external devices (no internal connections) up to 25 m
away. This adapter conforms to SCSI-2 standards and the Fast-20 (Ultra)
documentation. Industry standard SCSI P (68-pin) connectors are incorporated
on the adapter.
Feature characteristics
This feature has the following characteristics:
32-bit Bus Master Adapter
Supports attachment of external 8-bit or 16-bit SCSI devices on the J2 port
using a 68 pin SCSI-3 standard connector
Customer components
You must supply the following component for this feature:
Cabling (available through IBM)
8.2.29 Dual Channel Ultra2 SCSI PCI adapter (F/C 6205)
The Dual Channel Ultra2 SCSI PCI adapter (F/C 6205) is an ideal solution for
applications requiring large block data transfers (more than 64K block size) in a
multi-disk-drive environment utilizing Ultra/Ultra2 SCSI protocol. It provides up to
160 MBps aggregate SCSI throughput and is able to support single-ended
Fast/Ultra devices or LVD Ultra/Ultra2 devices. The dual channels offer
increased connectivity without utilizing an additional PCI slot. One or both
channels can be dedicated to LVD devices or as an alternative, one channel can
be used to support mixed performance single-ended devices. Industry standard
VHDCI connectors are available for external connection to each channel.
Limitations: Data transfer rates with F/C 6204 are limited to the speed of the
slowest device on the SCSI bus.
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