2 scsi function specifications – FUJITSU MAT3147NC/NP User Manual

Page 33

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C141-E201

2-7

2.2

SCSI 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)

×

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)

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

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.

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