Asus P I-P55TVP4 User Manual download pdf (Page 18)

ASUS P/I-P55T2P4 User's Manual12

III. INSTALLATION

2. System Memory (DRAM & SRAM)

This motherboard supports four 72-pin SIMMs of 4MB, 8MB, 16MB, 32MB, or

64MB to form a memory size between 8MB to 256MB. The DRAM can be either

60ns or 70ns Fast Page Mode (Asymmetric or Symmetric) or EDO. To support

ECC, you must use true (opposed to phantom parity generated by logic chips) 36-bit

parity-type DRAM (e.g. 8 chips + 4 parity chips) in pairs for all modules. Mixing

32-bit non-parity DRAM (e.g. 8 chips) and 36-bit DRAM (e.g. 12 chips) will work

minus the ECC feature.

IMPORTANT: Memory setup is required in BIOS Chipset Setup "Auto

Configuration" on page 34.

IMPORTANT: Each bank must have the same size memory installed in

pairs. Do not use memory modules with more than 24 chips per module.

Modules with more than 24 chips exceed the design specifications of the

memory subsystem and will be unstable.

TAG SRAM Upgrade:

The purpose of this SRAM is described by "Memory Cacheable Size" jumper. You

must use a standard 5Volt SRAM chip that is 15ns or faster.

Insert one 16K8 or

32K8 SRAM chip as

shown by the Top

view with the semi-

circle "Indention" on

the same side as the

"Notch."

TAG SRAM Upgrade

Top

Side

Indention

Notch

WARNING: If the cache module that you install already have an extended tag, do

not install another TAG SRAM into the TAG SRAM Upgrade Socket.

III. INSTALLATION

(Memory)

Install memory in any or all of the banks in any combination as follows:

Bank Memory Module Total Memory

Bank 0 4MB, 8MB, 16MB, 32MB, 64MB x2

SIMM Sockets 1&2 72-pin FPM or EDO SIMM

Bank 1 4MB, 8MB, 16MB, 32MB, 64MB x2

SIMM Sockets 3&4 72-pin FPM or EDO SIMM

Total System Memory =

1 ... 17 18 19 ... 64

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Asus P I-P55TVP4 User Manual Page 18