Acer Aspire SA90, Service Manual

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Chapter 1 11
System Memory
Memory Combinations
Slot Memory Module Total Memory
Slot 1 128, 256, 512MB, 1GB 128MB~ 1GB
Slot 2 128, 256, 512MB, 1GB 128MB~ 1GB
Maximum System Memory Supported 128MB~2GB
Item Specification
Memory slot number 2 slot
Support memory size per socket 128MB/256MB/ 512MB/ 1GB
Support maximum memory size 2GB
Support memory type DDR DRAM
Support memory interface DDRII 400 MHz
Support memory voltage 2.5 V
Support memory module package 184-pin DIMM
Support to parity check feature Yes
Support to Error Correction Code (ECC)
feature No
Memory module combinations You can install memory modules in any combination as
long as they match the above specifications.
Cache Memory
Item Specification
First-Level Cache Configurations
Cache function control Enable/Disable by BIOS Setup
Second-Level Cache Configurations
L2 Cache RAM type PBSRAM
L2 Cache RAM size Celeron: 128K
Intel P4: 256K/512K
Core 2 Duo: 2/4 MB
L2 Cache RAM speed One-half the processor core clock frequency
L2 Cache function control Enable/Disable by BIOS Setup
L2 Cache scheme Fixed in write-back
Audio Interface
Item Specification
Audio controller SiS 968
Audio controller Type AC’97,ALC883