Acer Power Sx Service Manual page 21

This section has two table lists, system memory specification and the possible combinations of memory
module.
System Memory
Memory socket number
Support memory size per socket
Support maximum memory size
Support memory type
Support memory speed
Support memory voltage
Support memory module package
Support to parity check feature
Support to Error Correction Code (ECC) feature
Memory module combinations
Memory Combinations
DIMM 1
32M
64M
128M
256M
512M
None
None
None
None
None
32M
32M
32M
32M
64M
64M
64M
64M
128M
128M
128M
128M
256M
256M
256M
256M
Chapter 1
Item
None
None
None
None
None
32M
64M
128M
256M
512M
32M
64M
128M
256M
32M
64M
128M
256M
32M
64M
128M
256M
32M
64M
128M
256M
Specification
2 sockets (2 banks)
AcerPower Sx: 32MB / 64MB / 128MB / 256MB
AcerPower Sc: 128MB / 256MB/512MB
AcerPower Sx: 512MB (256MB x 2)
AcerPower Sc: 1GB (512MB x 2)
SDRAM
133MHz (PC133) (for Local Bus speed 133MHz, 100MHz
3.3 V
168-pin DIMM
Yes
Yes
You can install memory modules in any combination as long as
they match the above specifications.
DIMM 2
32M
64M
128M
256M
512M
32M
64M
128M
256M
512M
64M
96M
160M
288M
96M
128M
192M
320M
160M
192M
256M
384M
288M
320M
384M
512M
Total
13