Laptop User Manual

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7521
7521
Plus / N N/B MAINTENANCE
Plus / N N/B MAINTENANCE
1.2.11 Memory System
HYUNDAI SDRAM cell on board13
One chip memory size : 4Banksx1Mx16bit SDRAM.
Standard 54-pin TSOP-II package.
Power supply : 3 ±0.3V
Supports One JEDEC 144-pin SO-DIMM sockets on Mother Board for expansion
Supports 3.3V SDRAM
2 banks on one socket.
SDRAM accesses time from clock: 6ns
Memory bus bandwidth: 64 bits
7521 plus Supports 64 MB SDRAM on board and one 144-pin DIMM socket for upgrading up to 320 MB of DRAM.
Here are some main memory system essential characteristics :
One chip 4Banksx1Mx16bit on board 64 MB
144-pin SO-DIMM socket 1
Memory Voltage 3.3V ± 10%
Banks on DIMM Mixed type DRAM Only supports SDRAM