System Upgrades
Upgrading the Main Memory
15-4
SPARCbook Portable Workstation User Guide
The SPARCbook 3TX and SPARCbook 3000 models can be fitted with
up to 256MB of DRAM. Other SPARCbook 3 models can be fitted with
up to 128MB. The memory is contained on two identical SIMMs
providing the upgrade capacities shown in Table 15-1.
a. The 256MB memory option is not available as user installed
upgrade. For information about obtaining a 256MB upgrade
contact your supplier or Tadpole Customer Support.
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Preparing to Remove the SIMMs
1.
Ensure that your SPARCbook is powered off by carrying out a
system shutdown, as described in “Powering off using a system
shutdown” on page 1-7, and is not connected to an external
power supply unit.
2.
Close the lid and place your computer upside down on a level
surface.
3.
Remove the battery cover and battery.
4.
Placing the forefinger of the left hand on the L symbol and the
forefinger of the right hand on the R symbol on the SIMM cover
(see Figure 15-1), gently pull the SIMM cover toward yourself
with your forefingers until the rearmost row of clips disengage
from the base casting. Then, with your thumbs, press the cover
towards the rear of the unit until the clips (normally) located
beneath the battery disengage.
Upgraded Capacity (MB)
SIMMs (MB)
32
2 x 16
64
2 x 32
128
2 x 64
256
a
2 x 128
Table 15-1 Permissable Memory Capacities
S3UG4_Book Page 4 Friday, August 8, 1997 11:37 am
