HP D Series Upgrade Manual page 51

Memory Rules 1. Memory must always be added as pairs of SIMMs or DIMMs of the same size.
2. The largest memory SIMM pair must be installed in the lowest numbered slots,
3. SIMM modules must be installed in the correct slot sequence. The first SIMM
Memory Size and 1. Each memory SIMM (board) has its size marked on one side of the board near
Orientation
2. The white stripe on the end of the memory SIMM identifies the end of the board
3. The notch at the lower corner of the board also indicates the end of the board
For example: two 16MB, two 32MB, two 64MB, two 128MB or two 256MB.
followed by the next largest memory pair in the next lowest pair of slots, until all
SIMM modules are installed.
pair is installed in slots 0A and 0B. The next SIMM pair would go into slots 1A
and 1B, and so on until all SIMM modules are installed. Follow rule number 2.
If the memory upgrade increments are larger than the existing (currently
installed) memory increments, ALL memory must be removed, re-ordered, and
re-installed following the rules listed in this section.
an upper corner: 16MB, 32MB, 64MB, 128MB, or 256MB. (In the figure
shown, the marking is on the reverse side of the board.)
that must be toward the white ejector lever of the connector on the Processor/
Memory card.
that must go toward the white ejector lever.
R Class System Memory Upgrade
Memory Installation Procedure
2-11