Installing Additional Memory; Rimms - Compaq 159715-002 - Deskpro EN - DT 6650 Model 10000 Configuration Manual

Installing Additional
Memory

RIMMs

2-14 Upgrading the Compaq Deskpro EP Series
Depending on the model, the computer comes with:
Direct Rambus dynamic random access memory
(RDRAM) Rambus inline memory modules (RIMMs)
Synchronous dynamic random access memory
(SDRAM) dual inline memory modules (DIMMs)
The three memory sockets on the Intel 820 chipset–based
system board can be populated with industry-standard RIMMs.
These memory module slots are populated with preinstalled
RIMMs and/or continuity modules (CRIMMs). To achieve the
maximum memory support, you may be required to replace the
preinstalled RIMM and CRIMMs with higher capacity RIMMs.
All slots must be occupied by either memory modules (at least
one) or continuity modules.
For proper system operation, the RIMMs must be industry-
standard 184-pin, PC600–, PC700–, or PC800–compliant
RAMBUS memory modules, depending on the model. They
must also contain the mandatory Joint Electronic Device
Engineering Council (JEDEC) Serial Presence Detect (SPD)
information (1.0 or later). Intel 820 chipset–based Deskpro
models have one Direct RAMBUS channel that supports a
maximum of 32 devices. The total number of devices on all
RIMMs must be less than or equal to 32. Each RIMM includes a
label that lists the number of devices contained on the RIMM.
If you install RIMMs of varying speeds, the system will
run at the speed of the slowest installed RIMM.
RIMM upgrade kits are available as options from Compaq.