Fujitsu MAP3367NP Panduan Instalasi - Halaman 2

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Diagram and user-selectable options (on NP models only)

Below is a diagram of the main board of SCSI disk drives and also a summary of the user-selectable options including guidelines for

installation of the drives.

This setting applies only for NP model drives.

Pin 1

Pin 23

Pin #

1-2

3-4

5-6

7-8

9-10

11-12

13-14

15-16

18, 19

21-22

23-24

Pin 1-2

Open

Short

Open

Short

Open

Short

Open

Short

All manuals and user guides at all-guides.com

Pin 2

CN2

Pin 24

Figure 1. Option select terminal

Table 2. CN2 Terminal Setting (on NP models only)

Setting Item

SCSI ID 0

See Table 3.

SCSI ID 1

SCSI ID 2

SCSI ID 3

......

Write protect

Open

......

Short

......

Motor start mode

Open

......

Short

......

Force Narrow

Open

......

Short

......

Force Single Ended

Open

......

Short

GND

N.C

IDD Reset

Input signal

Remote LED

Output signal

......

Terminal power supply

Open

......

Short

Table 3. SCSI ID Setting on CN2 (on NP models only)

Pin 3-4

Pin 5-6

Pin 7-8

Open

Short

Open

Short

Open

Short

Open

Short

Open

Short

Open

Short

Open

Function

Write operation is enabled.

Write operation is disabled.

Starting of motor is controlled with START/STOP

UNIT command.

Motor is started immediately after power supply is

turned on or microcode is downloaded.

16-bit bus mode

Pull upper 8bits and parity internally when drive is

connected to Narrow SCSI bus.

Follows DIFFSNS signal level on SCSI bus.

Single-Ended mode

Drive does not supply terminator power to SCSI bus.

Drive supplies terminator power to SCSI bus.

Pin 1-2

Pin 3-4

Pin 5-6

Pin 7-8

Open

Short

Open

Short

Open

Short

Open

Short

Open

Short

Open

Short

Open

Short

Open

Short

(default)