Adaptec 1742A Uživatelský manuál stáhnout pdf (Strana 5)

2. Loosen the two screws securing the large (lower) inside cover to the

chassis, (toward the front of the box).

3. By inserting your finger into the large circular hole, slide the

large inside cover toward the front of the system unit swing the top

 away from the box and lift up to remove it.

o Removing the ADAPTEC 1742A Option Board

a) If applicable, disconnect cable from the external SCSI connector of

the SCSI controller at the rear of the system.

b) Note or record the position of the 1742A module on the motherboard.

c) Disconnect the 50 pin SCSI cable from the 1742A module.

d) Disconnect the 34 pin floppy cable from the 1742A module.

e) Disconnect the hard disk activity LED cable from the 1742A module.

f) Remove the screw securing the option board to the chassis.



g) Carefully disconnect the option board from the connectors on the

system module and remove it from the system.



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| d | i | g | i | t | a | l | |

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o Removing the EPROM containing the microcode.

Use ALL ESD safety precautions to prevent DOA’s on material in kit.

************************* C A U T I O N ****************************

* *

* The module, as with all modules, contain electrostatic discharge *

* sensitive devices (ESDS). The use of the Velostat Kit or ESD *

* module box is essential to prevent damage which may not be *

* noticed immediately. *

********************************************************************

 OR:

************************* C A U T I O N ****************************

* *

* If using a module in an ESD box, insure wrist strap is connected *

* to the box and the box is connected to chassis of the device *

* being upgraded. *

********************************************************************

Adaptec 1742A Uživatelský manuál Strana 5