2 scsi function specifications – FUJITSU MBA3073NP User Manual

Page 33

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2.2

SCSI Function Specifications

Table 2.4 shows the SCSI functions provided with the HDD.

Table 2.4

SCSI function specifications

Item Specification

Single-ended type

Ο

HVD type (High Voltage Differential)

×

LVD type (Low Voltage Differential)

Ο

Single-ended type

Position where the terminating
resistor is mounted on the PCA

×

Differential type

Position where the terminating
resistor is mounted on the PCA

×

Electrical
requirements
(*1)

TERMPWR signal send function

Ο (NP model)

68-pin P cable connector

Ο (NP model)

Connector

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

(Jumper selection, NP model)

Addressing

LUN (logical unit number)

#0 fixed

Data transfer
(Synchronous
mode) (*2)

8-bit SCSI (Single-ended type)
(Ultra 2 type)
16-bit SCSI (Single-ended type)
(Ultra 2 Wide type)
(U160 LVD type)
(U320 LVD type)

Ο 20 MB/s max.

Ο 40 MB/s max.
Ο 40 MB/s max.

Ο 80 MB/s max.

Ο 160 MB/s max.

Ο 320 MB/s max.

Data buffer (*3)

8 MB

Data block length (Logical data length=Physical data length) (*4)

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)

1MB/s=1,000,000

bytes/s

(*3)

1MB=1,048,576

bytes

(*4)

Refer to (13) of Section 1.1.

C141-E270

29

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