Tekram Technology DC-315 Series Bedienungsanleitung

DC-315 Series User’s Manual 11

DC-315 Series

PCI SCSI Host Adapters

User’s Manual

Manual Rev: 3.00

Date: Jan. 99

Model

Number Protocol Mode SCSI

Width Max Xfer

Rate (MB/S) Max

Devices

DC-315 SCSI-3 SE 8-bit 20 7

DC-315U SCSI-3 SE 8-bit 20 7

U: Ultra SCSI (Narrow)

* All other product names are trademarks or copyrights of their respective owners.

DC-315 Series User’s Manual

1. INTRODUCTION

The DC-315 series is a SCSI (Small Computer System Interface) bus to PCI bus host adapter,

which complies to the PCI 2.1 specification with Plug-&-Play (PnP) readiness. By using the

Disconnect/Reconnect technique, performance degradation during multitasking operations is

prevented. Other enhanced SCSI-2 features such as scatter-gather and command-tag queuing

are supported.

The DC-315 series supports ASPI (Advanced SCSI Programming Interface) managers for the

following operating systems to assure operation with popular third party applications:

•MS-DOS •Windows 95/98/NT

Device drivers are also supported for the following major operating systems for

compatibility with a full range of SCSI peripherals including CD-ROMs, Photo CDs, tape

backups, scanners, removable media and SCSI hard drives:

•MS-DOS •Windows 95/98

•Windows NT 3.x/4.0

2. HARDWARE SETUP

Static Precautions

Static electricity can be a serious danger to the electronic components on this board. To avoid

damage caused by electrostatic discharge, observe the following precautions:

üDon’t remove the board from its anti-static packaging until you are ready to install it into

a computer case. Also, handle add-in cards and modules by the edges or mounting

bracket.

üBefore you handle the board in any way, touch a grounded, anti-static surface, such as an

unpainted portion of the system chassis, for a few seconds to discharge any built-up static

electricity.

Before plugging the DC-315 series adapter into your system, make sure that the SCSI ID

number (0-6 for DC-315/315U) of each SCSI device is set properly for the host adapter.

The maximum devices that can be installed on each model are show below:

Model # Max. Devices Number

DC-315 7

DC-315U 7

DC-315 Series User’s Manual 33

2.1 Board Layout

The following figures illustrate the jumper and connector locations for the DC-315 Series

PCI SCSI Host Adapters:

DC-315 Ultra SCSI-3 adapter

DC-315U Ultra SCSI-3 adapter

DC-315 Series User’s Manual

2.2 Setting the Jumpers

DC-315U: JP1 (LED)

SCSI Device Activity LED Indicator (JP1)

JP1 is used to indicate activity of the SCSI devices controlled by the DC-315U adapter, and

should be connected to the cable leading to the Hard Drive LED on the front panel of your

computer case.

2.3 Setting the SCSI IDs

Each SCSI device attached to the SCSI card, as well as the card itself, must be assigned a

unique SCSI ID number. SCSI ID 7 is preset to the SCSI card, giving it the highest priority

on the SCSI bus.

The SCSI IDs of your peripheral devices are usually set with jumpers or with a switch on the

peripheral. Refer to the peripheral manufacturer’s manual to determine the ID of each device

and how to change it.

2.4 Checking the Terminators on the SCSI Bus

In order to stabilize the SCSI bus, only two sets of terminators can be installed - one at each

end of the SCSI bus. The DC-315 series is equipped with Active Terminators that

automatically switch from Enabled to Disabled or vice versa by scanning the devices

connected on the SCSI bus. So, manual termination adjustment is not required. The following

explains the terminator configuration of other devices on the SCSI bus:

Note: There are two types of termination available on SCSI devices, active and passive.

Active termination is strongly recommended to ensure system integrity, particularly

when devices with high transfer rates are being used. A SCSI CD-ROM drive usually

comes with a passive terminator. For proper termination, it is recommended that you

keep this terminator disabled, i.e. avoid connect the CD-ROM drive at the end of the

SCSI bus

3. INSTALLING DEVICE DRIVERS

You need to install host adapter drivers and other software before you can use the device. For

more information, see the readme file of the drivers and other software installation

instructions.

*For the driver and BIOS updates, please visit our website at

http://www.tekram.com.tw

http://www.tekram.com

http://www.tekram.com.de

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