2.2SCSI Function Specifications

Table 2.4 shows the SCSI functions provided with the IDD.

 

 

Table 2.4

SCSI function specifications

 

 

 

 

 

 

 

 

 

 

 

 

Item

 

 

 

 

Specification

 

 

 

 

 

 

 

 

 

Single-ended type

 

 

 

 

 

Ο

 

 

 

 

 

 

 

 

HVD type (High Voltage Differential)

 

 

 

 

 

 

 

 

 

 

Electrical

LVD type (Low Voltage Differential)

 

 

 

Ο

 

 

 

 

 

 

 

 

requirements

Single-ended type

Position where the terminating

 

 

(*1)

resistor is mounted on the PCA

 

 

 

 

 

 

 

 

Differential type

Position where the terminating

 

 

 

resistor is mounted on the PCA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TERMPWR signal send function

 

 

 

Ο

 

 

 

 

 

 

 

Connector

68 pin P cable connector

 

 

 

Ο

(NP model)

 

 

 

 

 

 

 

 

80 pin SCA2 connector

 

 

 

Ο

(NC model)

 

 

 

 

 

 

 

 

 

 

 

 

Data bus parity (Data bus CRC)

 

 

 

 

 

Ο

 

 

 

 

 

 

 

 

Bus arbitration function

 

 

 

 

 

 

Ο

 

 

 

 

 

 

 

Disconnection/reconnection function

 

 

 

 

 

Ο

 

 

 

 

 

 

 

 

 

 

SCSI ID

16-bit SCSI

 

 

 

 

#0 to #15

Addressing

 

 

 

(Jumper selection)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LUN (logical unit number)

 

 

 

 

#0 fixed

 

 

 

 

 

 

8-bit SCSI (Single-ended type)

 

Ο

20 MB/s max.

Data transfer

 

(LVD type)

 

 

Ο

40 MB/s max.

16-bit SCSI (Single-ended type)

 

Ο

40 MB/s max.

(Synchronous

 

 

Ο

80 MB/s max.

mode)

 

(LVD type)

 

 

 

(U160 LVD type)

 

 

Ο

160 MB/s max.

 

 

 

 

 

 

(U320 LVD type)

 

 

Ο

320 MB/s max.

 

 

 

 

 

 

 

 

 

Data buffer

 

 

 

 

 

 

 

8 MB

 

 

 

 

 

 

 

 

Data block length (Logical data length=Physical data length) (*2)

 

 

512 to 528 bytes

 

 

(Fixed length)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ο

: Provided

⋅ : Not provided

(*1) The driver mode (Single-ended or LVD) changes automatically by Diffsence signal level.

(*2) Refer to (12) of Section 1.1.

C141-E166

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Fujitsu MAP3367NC/NP, MAP3147NC/NP, MAP3735NP, MAP3735NC/NP, MAP3367NP manual Shows the Scsi functions provided with the IDD

MAP3735NP, MAP3367NC, MAP3735NC/NP, MAP3367NC/NP, MAP3147NC/NP specifications

Fujitsu's MAP3147NC/NP, MAP3367NC/NP, and MAP3735NC/NP hard disk drives represent a robust solution for businesses seeking reliable data storage options. These models are part of Fujitsu’s extensive line of high-performance hard drives that cater to various organizational needs, from servers to high-capacity data storage systems.

One of the standout features of these hard drives is their speed. The MAP3147NC/NP operates at a spindle speed of 10,000 RPM, ensuring rapid data access and retrieval. This speed is essential for environments requiring quick data transactions, making it suitable for enterprise-level databases and high-performance computing applications.

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The drives employ a 64 MB cache, providing a significant performance boost by allowing for quicker access to frequently used data. This capability improves overall system responsiveness, especially in applications requiring high input/output operations per second (IOPS).

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