Ultra Scsi Differential Adapter (F/C 6207) - IBM RS/6000 SP Handbook

Feature characteristics
This feature has the following characteristics:
32-bit Bus Master PCI 2.1 adapter
Supports attachment of internal and external single ended 8-bit and 16-bit
SCSI or Ultra SCSI devices
– External connections on J2 with 68 pin SCSI-3 standard P connector
– Internal connections on J3 with 68 pin high density SCSI connector for
16-bit attachments
– Internal connections on J4 with 50 pin (2x25) SCSI connector for 8-bit
attachments
Customer components
You must supply the following components for this feature:
If you are using F/C 6206 to configure independent internal disk in an 332
MHz SMP wide node, you must also order F/C 1241.
Adapter limitations:
Data transfer rates are limited to the speed of the slowest attached device.
For example, if you connect an Ultra drive and a fast/wide drive, the
adapter will limit data transfers to fast/wide rates.
If a cable is attached to the external J2 connector, data transfer rates will
be limited to fast/wide rates.
Ultra data transfer rates can only be achieved using the internal
connections with cable lengths of 1.5 m or less.
External cable lengths are limited to 3 m for fast/wide data transfer rates.
The internal J3 and J4 connectors cannot be used at the same time.

8.2.31 Ultra SCSI Differential adapter (F/C 6207)

The PCI SCSI-2 Ultra/Wide Differential adapter (F/C 6207) provides a differential
SCSI-2 Ultra/Wide interface that can burst data between devices on the SCSI
bus at 40 MBps. F/C 6207 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.
252 RS/6000 SP and Clustered IBM ^ pSeries Systems Handbook