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Upgrading Main Memory Modules
Upgrading Main Memory Modules
Main memory modules are available in 64 MB, 128 MB and 256 MB ECC
SDRAM modules. However, it is important to note that the 64MB and 128
MB modules are non-buffered ECC SDRAM modules, while the 256 MB
modules are registered ECC SDRAM modules. Refer to the table on
page 5
for details on how much main memory can be installed on each PC
Workstation.
Mixing Memory Modules
Unbuffered and Registered ECC modules are not compatible with each
other, and cannot be mixed. If these have been mixed, this will be
detected in the basic pre-boot tests when you boot the system for the
first time. The BIOS checks that the inserted DIMMs are compatible with
one another, and if it detects an error, it is reported to the HP MaxiLife.
The error message (shown on the left) will then be displayed on the LCD
status panel. Refer to the following table for DIMM compatibility rules.
1.
All DIMMs will function as Non-ECC.
HP XU and XW PC Workstations support only ECC DIMMs.
Original DIMM Type
Adding Non-ECC
Adding
Unbuffered ECC
Adding Registered
ECC (256 MB)
Non-ECC
Yes
Yes
1
No
Unbuffered ECC
Yes
1
Yes
1
No
Registered ECC
(256 MB)
No
No
Yes
The PC Workstation has 64 MB of Non-ECC SDRAM main memory
installed in one DIMM slot. Can a 256 MB ECC SDRAM memory
module be added to a second DIMM slot to upgrade the memory?
No. To upgrade the memory, you can use 64 MB or 128 MB
memory modules (either ECC or Non-ECC). Or, alternatively,
replace the existing 64 MB memory module and install a 256
MB ECC SDRAM memory module.
Error!
RAM type
Содержание Kayak XU 03xx
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