BSU Cable Configuration

The BSU is cabled using a single channel on-board IDE Controller and dual channel on-board Adaptec 7899 SCSI Controller.

The on-board IDE controller supports the standard internally mounted CD-ROM as its master device.

The AIC 7899 contains two independent SCSI channels that share a single PCI bus master interface. Each channel is capable of operations using either 8- or 16- bit SCSI providing 160 MB/s (Ultra 160/m) or 80 MB/s (Ultra2-Wide) throughput. As implemented on the system I/O board controller B attaches to an Ultra-160/m SCSI backplane that supports up to two 160/m SCA drives. Controller A can be used to support SCSI devices in the 5 1/4-inch removable media bays. A 68 pin to 50 pin converter is also available to be used when installing SCSI narrow devices.

A 3.5-inch floppy diskette drive is also installed in the system and interfaces separately to the I/O riser board, which is plugged into the system I/O board.

Referring to Figure C-1 a 68-pin Ultra-160/m SCSI interface cable (K) is connected to the SCSI connector (L) on the system I/O board. This cable connects to the rear of the hard disk drive's SCSI backplane (H). Another 68-pin Ultra-160/m SCSI interface cable (Q) is connected to the SCSI connector (P) on the system I/O board. This cable connects to an external SCSI connector (S) located on the rear of the BSU chassis.

The IDE interface cable (G) is connected to the IDE connector (M) on the system I/O board. This cable connects to the rear of the internally mounted CD- ROM drive (F).

Optional internally mounted SCSI removable media devices (A) may be connected to the SCSI controller connector (N) with Ultra2-Wide SCSI interface cable (B).

The diskette drive interface cable (D) is connected to the diskette drive connector (O) on the I/O riser board. This cable connects to the rear of the internally mounted diskette drive (C).

System Cabling Configurations C-3

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NEC 5800/180Ra-7 manual BSU Cable Configuration, System Cabling Configurations C-3

5800/180Ra-7 specifications

The NEC 5800/180Ra-7 is a high-performance server model that represents a significant advancement in the realm of enterprise computing. Launched by NEC, a renowned leader in information technology, this server is designed for critical business applications and is tailored to meet the demanding requirements of modern data centers.

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In summary, the NEC 5800/180Ra-7 offers a combination of performance, scalability, energy efficiency, and security. With its advanced features and technologies, it serves as an ideal solution for enterprises looking to enhance their computing capabilities in today’s data-driven landscape. Its design caters to the evolving needs of businesses, making it a reliable choice for diverse applications across various industries.