Fujitsu MBA3300NC Product Manual - Page 33

SCSI Function Specifications, LVD type Low Voltage Differential - jumpers

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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) × Electrical LVD type (Low Voltage Differential) Ο requirements Single-ended type (*1) Position where the terminating resistor is mounted on the PCA × Differential type Position where the terminating resistor is mounted on the PCA × TERMPWR signal send function Ο (NP model) Connector 68-pin P cable connector 80-pin SCA2 connector Ο (NP model) Ο (NC model) Data bus parity (Data bus CRC) Ο Bus arbitration function Ο Disconnection/reconnection function Ο Addressing SCSI ID 16-bit SCSI LUN (logical unit number) 8-bit SCSI (Single-ended type) Data transfer (Synchronous mode) (*2) (Ultra 2 type) 16-bit SCSI (Single-ended type) (Ultra 2 Wide type) (U160 LVD type) (U320 LVD type) #0 to #15 (Jumper selection, NP model) #0 fixed 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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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