Acer Aspire T130 Service Manual page 36

DRAM Configuration
Parameter
HT_Width This item shows Hyper Transport TM 's bus size of
Local Descriptor Table (LDT). The bus size is
automatically calculated by the CPU. Therefore, we
strongly recommend that you do not change this
setting.
HT_Speed This item shows the bus frequency of Local
Descriptor Table(LDT). Its default is setting as
800MHz.
DDR Timing Set this to the default value to enable the system to
Setting by automatically set the DDR timing by SPD(Serial
Presence Detect). SPD is an EEPROM chip on the
DIMM module that stores information about the
memory chips it contains, including size, speed,
voltage, row and column addresses, and
manufacture. If you disable this item, you can use
the following three items to manually set the timing
parameters for the system memory.
Max Memclock When DDR Timing Setting by is set to Manual, use
(Mhz) this item to set the DRAM frequency.
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Description Option
8 bits
16 bits
Auto
200 MHz
400 MHz
600 MHz
800 MHz
Manual
Auto
200
Chapter 2