Notebook Specification 7-3
Memory Module
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Memory DRAM Module –– Samsung KMM466S424AT-10ns (4Mx16
x 4pcs)
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Package –– DIMM 144-pin
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Operation Mode –– Synchronous Dynamic Mode
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Refresh –– Auto and Self Refresh
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Slow Refresh –– 4096 refresh cycle / 64ms
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Supply Voltage –– 3.3V
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Configuration
Standard DIMM DRAM Module - 2 pieces
640KB Conventional RAM
128KB BIOS Shadow
256KB reserved for Power Management usage
7168KB Extended RAM
Upgradable to 16, 32, 64, 80, 128MB
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Parity Support –– No parity bit for all memory
BIOS ROM
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ROM Type –– 256K x 8 CMOS Flash Memory - 28SF040-15 (SST )
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ROM Size –– 4M-bit
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Boot Code Sector –– Top Sector
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Package –– PLCC 32-lead
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Erase / Program
8 second typical chip erase
3.6 second chip program
100,000 erase/program cycles minimum
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Program Voltage –– 5V
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Supply Current
Icc Max = 30mA (operating)
Iccsb Max = 1uA (standby)