Acer Veriton 5100 Service Manual page 23

This section has two table lists, system memory specification and the possible combinations of memory
module.
System Memory
Item
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-100 MHz
DIMM 1
128M
256M
64M
32M
16M
Memory Combinations-133 MHz
DIMM 1
256/DS M
64/SS M
128/SS M
NOTE: For Memory Combinations-133 MHz, if memory is double-sided, only slot 1 and slot 2 will work. The
maximum memory size of S58M is 512M. Users can make different combinations of double-sided
memory in slot 1 and slot 2; single-sided memory in slot 1, 2, and 3, but, the total memory should not go
beyond 512M.
Cache Memory
Item
First-Level Cache Configurations
Cache function control
Second-Level Cache Configurations
Below information is only applicable to system with installed Pentium III processor.
L2 Cache RAM type
L2 Cache RAM size
L2 Cache RAM speed
L2 Cache RAM voltage
L2 Cache function control
L2 Cache scheme
3 sockets (3 banks)
64/128/256MB
512MB
SDRAM
100/133MHz (PC100/ PC133) (for Local Bus speed 100/133MHz)
3.3 V
168-pin DIMM
Yes
Yes
You can install memory modules in any combination as long as they match
the Memory Combination specifications.
DIMM 2
128M
256M
64M
32M
16M
DIMM 2
256/DS M
64/SS M
128/SS M
Enable/Disable by BIOS Setup (Advanced options)
PBSRAM
128/256 KB
One-half the processor core clock frequency
Pentium III processor: 1.65V
Enable/Disable by BIOS Setup
Fixed in write-back
Specification
DIMM 3
128M
0M
64M
32M
16M
DIMM 3
0M
64/SS M
128/SS M
Specification
TOTAL
384M
512M
192M
96M
48M
TOTAL
512M
192M
384M
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