I have 3 memory slots which are filled with 64mb, 64mb and 256mb SDRAM modules. This should give me 384mb of ram but only 320mb of it is picked up. Anyone have any ideas why.
Output from the Cpu-Z utility which gives more detail as to the type of ram and the
Memory SPD
------------------------------------------------------------------------------
Module #1
General
Memory type SDRAM
Manufacturer (ID) Transcend Information (7F4F000000000000)
Size 256 MBytes
Max bandwidth PC100 (100 MHz)
Part number TS32MLS64V8D2
Attributes
Number of banks 2
Data width 64 bits
Correction None
Registered no
Buffered no
Timings table
Frequency (MHz) 100 100
CAS# 2.0 3.0
RAS# to CAS# delay 2 2
RAS# Precharge 2 2
TRAS# 5 5
Module #2
General
Memory type SDRAM
Manufacturer (ID) Winbond Electronic (DA44414E452D454C)
Size 64 MBytes
Max bandwidth PC100 (100 MHz)
Part number PDP100-064082AU
Attributes
Number of banks 1
Data width 64 bits
Correction None
Registered no
Buffered no
Timings table
Frequency (MHz) 100 100
CAS# 2.0 3.0
RAS# to CAS# delay 2 2
RAS# Precharge 2 2
TRAS# 5 5
Module #3
General
Memory type SDRAM
Manufacturer (ID) Micron Technology (2CFFFFFFFFFFFFFF)
Size 64 MBytes
Max bandwidth PC125 (125 MHz)
Part number 8LSDT864AG-10EC7
Attributes
Number of banks 1
Data width 64 bits
Correction None
Registered no
Buffered no
Timings table
Frequency (MHz) 100 125
CAS# 2.0 3.0
RAS# to CAS# delay 2 3
RAS# Precharge 2 3
TRAS# 5 7
Output from the Cpu-Z utility which gives more detail as to the type of ram and the
Memory SPD
------------------------------------------------------------------------------
Module #1
General
Memory type SDRAM
Manufacturer (ID) Transcend Information (7F4F000000000000)
Size 256 MBytes
Max bandwidth PC100 (100 MHz)
Part number TS32MLS64V8D2
Attributes
Number of banks 2
Data width 64 bits
Correction None
Registered no
Buffered no
Timings table
Frequency (MHz) 100 100
CAS# 2.0 3.0
RAS# to CAS# delay 2 2
RAS# Precharge 2 2
TRAS# 5 5
Module #2
General
Memory type SDRAM
Manufacturer (ID) Winbond Electronic (DA44414E452D454C)
Size 64 MBytes
Max bandwidth PC100 (100 MHz)
Part number PDP100-064082AU
Attributes
Number of banks 1
Data width 64 bits
Correction None
Registered no
Buffered no
Timings table
Frequency (MHz) 100 100
CAS# 2.0 3.0
RAS# to CAS# delay 2 2
RAS# Precharge 2 2
TRAS# 5 5
Module #3
General
Memory type SDRAM
Manufacturer (ID) Micron Technology (2CFFFFFFFFFFFFFF)
Size 64 MBytes
Max bandwidth PC125 (125 MHz)
Part number 8LSDT864AG-10EC7
Attributes
Number of banks 1
Data width 64 bits
Correction None
Registered no
Buffered no
Timings table
Frequency (MHz) 100 125
CAS# 2.0 3.0
RAS# to CAS# delay 2 3
RAS# Precharge 2 3
TRAS# 5 7