Digital Equipment AlphaServer 2000, Owner'S Manual

Page: 106 / 196

System Bus Options
Memory
Modules The standard AlphaServer 2000 system comes with 64 megabtyes
of installed memory. It can be configured with a maximum of
640 megabytes using two memory modules: one fully populated
module with 4-megabyte SIMMs (single in-line memory modules)
and one fully populated module with 16-megabyte SIMMs.
SIMM Characteristics
You can install up to four banks of memory per module, using
industry-standard JEDEC, 72-pin SIMMs in either of two types:
• 1-megabyte x 36-bit, 70 nanoseconds or faster
• 4-megabyte x 36-bit, 70 nanoseconds or faster
Caution
The maximum height SIMM that will fit in the
AlphaServer 2000 system is 1.1 inches. Be sure to
make a note of this requirement before you purchase
SIMMs for your system.
Memory Upgrades
To increase your system memory, you can order memory add-on
packages and additional memory modules. The memory modules
and add-on packages available from Digital are as follows:
MS452-AA 32-megabyte memory module (SIMM carrier
with eight 4-megabyte SIMMs)
MS452-BA 128-megabyte memory module (SIMM carrier
with eight 16-megabyte SIMMs)
MS452-UA 32-megabtye memory add-on package (eight
4-megabtye SIMMs for MS452-AA)
MS452-UB 128-megabyte memory add-on package (eight
16-megabyte SIMMs for MS452-BA)
3–22 Options and Upgrades