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14 ASUS P/I-XP55T2P4 User’s Manual
III. INSTALLATION
Static RAM (SRAM) for Level 2 (External) Cache
The motherboard you purchase may have either 0KB, 256KB, or 512KB onboard.
If you have both onboard cache chips (see "Map of Motherboard" for locations) and
a Cache Expansion Slot, then you have 256KB. If you only have onboard cache
chips, then you have 512KB. An "ASUS" or "COAST" cache module can be used
to upgrade the 256KB version to 512KB. If there is no onboard cache, you may
install a cache module of either 256KB or 512KB.
IMPORTANT: You must set jumper 1 "Total Level 2 Cache Size Setting" on
page 8 when changes are made to your cache size.
Pipelined Burst Cache Module
42 Pins 38 Pins
Insert the module as shown. Because the number of pins are different on either side
of the break, the module will only fit in the orientation as shown.
Compatible Cache Modules for this Motherboard
*NOTE: ASUS CMI Rev 3.0 has two TAG SRAM's to comply with COAST 3.0
specifications. This extra TAG SRAM will not conflict with the onboard TAG SRAM.
SIMM Cache Module 256KB Onboard 0KB Onboard
ASUS CM1 Rev 1.0 ---- ----
ASUS CM1 Rev 1.3 ---- ----
ASUS CM4 Rev 1.5 ---- ----
ASUS CM1 Rev 1.6 Ye s ----
ASUS CM1 Rev 3.0* Ye s Yes
COAST 1.1 ---- ----
COAST 1.2 ---- ----
COAST 1.3 ---- ----
COAST 2.0 Ye s Ye s
COAST 2.1 Ye s Ye s
COAST 3.0 Ye s Ye s
COAST 3.1 Ye s Ye s
(SRAM Cache)
III. INSTALLATION