Asus P I-P55TP4N User Manual - Page 20

III. INSTALLATION Level 2 External Static RAM (SRAM) Cache The motherboard you purchase may either have 0KB, 256KB, or 512KB. Most likely you will have two cache chips onboard (see "Map of Motherboard" for locations), then you have 256KB pipelined bust SRAM cache. A cache module can be used to upgrade the 256KB version to 512KB and the 0KB version to 256KB or 512KB. IMPORTANT: You must set jumper 16 "Total Level 2 Cache Size Setting" on page 9 when changes are made to your cache size. 42 Pins III. INSTALLATION (SRAM Cache) 38 Pins 256KB PB Cache Module 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 Motherboard PCB 1.01 SIMM Cache Module ASUS CM1 Rev 1.0 ASUS CM1 Rev 1.3 ASUS CM4 Rev 1.5 ASUS CM1 Rev 1.6 ASUS CM1 Rev 3.0 COAST 1.1 COAST 1.2 COAST 1.3 COAST 2.0 COAST 2.1 COAST 3.0 256KB to 512KB No No No Yes Yes Yes Yes Yes Yes Yes Yes 0KB to 256/ 512KB Yes Yes Yes No Yes Yes Yes Yes Yes Yes Yes NOTE: Motherboard PCB 1.0 can only use ASUS CM1 Rev. 1.6 to upgrade the 256KB version to 512KB. 0KB version can use all modules for upgrade to 256KB or 512KB except the ASUS CM1 Rev. 1.6. 14 P/I-P55TP4N User's Manual