SGI Octane III Spécifications télécharger pdf (Page 76)

Chapter 2: Installing and Removing the CPU and Memory

Installing and Removing Memory

To install or remove memory, you must power off the workstation, wait 5 minutes after

powering off the workstation to allow the heat sinks to cool, attach the wriststrap, and

remove the system module. Follow the instructions for preparing the workstation and

removing the system module, “Preparing the Workstation to Remove and Install a CPU

and Memory”on page 38 through, “Removingthe System Module.” Then return to this

section.

Caution: Dual inline memory modules (DIMMs) are extremely sensitive to static

electricity. Handle the DIMMs carefully and wear the wrist strap to avoid the ﬂow of

static electricity.

About Memory

BeforeyouinstallDIMMsinyour OCTANEworkstation,readthefollowinginformation.

• Bank 1 (sockets 1 and 2) must always be ﬁlled.

– Minimum memory conﬁguration is 64 MB in a bank. (2 x 32 MB DIMM)

– Maximum conﬁguration is 512 MB in a bank. (2 x 256 MB DIMM)

• Banks are ﬁlled sequentially; when Bank 1 is full, ﬁll Bank 2. Do not skip banks.

• Each bank is either empty, or contains two DIMMs, one in each of the two sockets.

• Each banks of DIMMS must contain two DIMMs of the same capacity or density

and of the same type.

Capacity refers to the number of megabytes in a DIMM: 32, 64, 128, and so on.

Type refers to the construction ofthe DIMM.Because DIMMconstruction cannotbe

determined visually, it is important to know that two DIMMs are the same type

beforeyou begininstallation. If youinsert twoDIMMsof different types, thesystem

does not work. Banked DIMMs and stacked DIMMs are two examples of many

different types of memory.

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SGI Octane III Spécifications Page 76