Viking Computer Hardware 770 User Manual

2. Turn the computer upside-down and rotate it so that you are facing the  
front of the system. Remove the battery from the system. If you are not  
familiar with this procedure, please refer to your computer’s “Owners  
Manual.”  
Viking Memory  
I N S T A L L A T I O N G U I D E  
IBM®  
3. Locate the memory expan-  
sion cover on the right side of  
the bottom panel. Also locate  
its single holding screw. Use a  
small Phillips screwdriver to  
remove the holding screw.  
Then remove the cover by lift-  
ing it to the right.  
ThinkPad 770, 770 220MHz, 770E, 770ED, 770X  
4. Locate the two memory expansion  
slots in the open compartment. Also  
notice the location of the off-center  
key on each of the expansion slots.  
Depending on the model of your  
computer, there may be a standard  
memory module occupying one of  
the slots. If your system has a mod-  
ule occupying one of the slots and  
you wish to expand your system to  
its maximum amount of memory, the  
standard memory module will need  
to be removed and then replaced  
with a higher capacity module. If  
you do not need to remove a memo-  
ry module at this time, please pro-  
ceed to step 6.  
Manual No. 1005233 • Release 12/98, Rev. B  
®
S P E E D  
P O W E R  
P E R F O R M A N C E  
The IBM ThinkPad 770 and 770 220MHz come standard with 32MB of  
memory soldered. They can be expanded to a maximum of 256MB†† by  
installing the following Viking Components memory options into their  
two available expansion slots.  
The IBM ThinkPad 770E and 770ED come standard with 32MB of  
memory soldered or 64MB (32MB soldered + 32MB removable). They  
can be expanded to a maximum of 256MB† by installing the following  
Viking Components memory options into their two available expansion  
slots.  
5. To remove a memory mod-  
ule, locate the retaining clips on  
both sides of the memory mod-  
ule. Gently pull both clips away  
from the module, then lift the  
module out of its expansion  
slot.  
The IBM ThinkPad 770X comes standard with 128MB (64MB soldered  
+ 64MB removable) of memory. It can be expanded to a maximum of  
320MB† by installing the following Viking Components memory options  
into its two available expansion slots.  
Description  
Viking P/N  
16MB SDRAM Memory Module  
32MB SDRAM Memory Module  
64MB SDRAM Memory Module  
128MB SDRAM Memory Module††  
I0293, RI0293  
I0294, RI0294  
I0295, RI0295  
I0296, RI0296  
6. To install a memory module,  
insert the module into the expan-  
sion slot at an angle and then push  
it down until it clicks into place.  
To be certain that the module is  
installed correctly, ensure that the  
off-center notch on the module is  
aligned with the off-center key of  
the expansion slot. The module  
can only be installed one way due  
to the position of the notch.  
†Requires removal of the standard memory module.  
††Installing the I0296, RI0296 for configurations above 160MB will  
require the ACP patch version 1.0 for ThinkPad 770 and 770E from IBM.  
The Pentium MMX machines are upgradeable to 256MB maximum, but  
the Pentium II machines are upgradeable to 288MB maximum.  
Note: For optimum performance, install the largest capacity memo-  
ry module into the top expansion slot.  
7. Replace the memory expansion cover and be sure to secure its holding  
screw.  
Caution:  
8. Insert the battery back into its compartment and turn the system right-  
side up.  
Electro Static Discharge (ESD) can damage electronic components. Before  
touching the memory module, ensure that you are discharged of static elec-  
tricity by touching a grounded metal object.  
9. Replace the AC power supply and any other cables you may have dis-  
connected.  
INSTALLATION INSTRUCTIONS:  
10. Open the display screen and turn the system on. The computer will  
automatically reconfigure itself to recognize the additional memory. The  
new memory can be verified during the POST routine at start-up and at  
the SETUP utility.  
1. Turn the computer off and disconnect the AC power supply and any  
other cables from the unit.  
Note: If the unit appears to be powered down, ensure that it is not in  
Suspend mode.  
The installation is now complete.  
Copyright 1998 Viking Components, Inc.  
 

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