Sun Microsystems Sun Ultra 80 Guía Inicial página 29

Installing Additional Memory
Install additional memory as follows:
1. Power off the system, remove the access panel, and attach an antistatic wrist strap
as described in "Preparing for Installation" on page en-5.
2. Review the important memory installation information below before you begin
installing the memory.
The system's dual in-line memory modules (DIMMs) are arranged in four banks,
each bank consisting of four slots. The four slots in each bank are separated, with
two slots on the motherboard, and two slots on the memory riser assembly.
DIMM Bank DIMM Slots on Memory Riser Assembly
3 U0403, U0404
1 U0401, U0402
2 U0303, U0304
0 U0301, U0302
The following diagram shows the placement of the DIMM banks on the memory
riser assembly (left) and the motherboard (right). On the motherboard, bank 3 is
closest to the system top, bank 0 is closest to the CPU shroud.
Note – Each DIMM bank being used must contain four DIMMs of equal density (for
example, four 64-Mbyte DIMMs) to function properly. Do not mix DIMM densities
in any bank.
See Figure
DIMM Slots on Motherboard
U1403, U1404
U1401, U1402
U1303, U1304
U1301, U1302
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