User Guide

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A-8
Q: ¬°¦ó«ØùÖAOpen¥D¾÷ªO¨Ï¥Î³\¦h¹q¸Ñ (Electrolytic) ¹q®e¦Ó¤£¨Ï¥Î©Z½è
(Tantalum) ¹q®e?
A: ¹q¸Ñ¹q®e«~½è¨Ì¾Ú«¬¸¹¤Î¼t°Ó®t²§·¥¤j¡C¤@¯ë¨Ó»¡©Z½è¹q®eªº«~½è¤ñ¹q¸Ñ¹q®e
¦n¡A¦ý»ù®æ©ù¶Q«~½èÀu¨}ªº¹q¸Ñ¹q®e«o¤ñ©Z½è¹q®e-n¦n¡C³Ì¦- AOpen ¥D¾÷ªO
CPU ®Ç¬O¨Ï¥Î 100uF ªº©Z½è¹q®e¨Ó-°§C CPU ¹qÀ£º§ªi (voltage ripple)¡A¦ý·s
ªº§Þ³N§ï¶i¦¨¥\ªº±À¥X 1000uF ·¥§C ESR (Equivalent Serial Resistor) ªº¹q¸Ñ¹q
®e¡A¨ä ESR ¬° 0.15 ohm¡A¦Ó©Z½è¹q®e¤Ï¦Ó-n 0.7 ohm¡C¥H¤U¬O¥Ø«e«ØùÖ AOpen
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©Z½è SPRAGUE 100uF,
Part number 595D107X06R3C2T,
Max ESR is 0.7 at 25 degree 100KHz.
¹q¸Ñ SANYO 1000uF,
Part number 16MV1000CG,
Max ESR is 0.15 at 20 degree 100khz.
¶V¦h¹q®e¨Ã¤£¥Nªí CPU ¹qÀ£¤@©w§ó¦n¡AÄpµ²¦b¹q®eªº¦ì¸m¡Cºë½Tªº¤èªk¬°¨Ï¥Î
Àx¦s¦¡¥Üªi¾¹ª½±µ´ú¶q CPU ¹qÀ£¡A·íµM¡A¨Ï¥ÎªÌ«ÜÃø³o¼Ë°µ¡C³oÂI AOpen §¹
¥þ¿í³y Intel¡BAMD ¤Î Cyrix ªº³]-p³W½d¡A¨Ã¥B³q¹LIntel¡BAMD ¤Î Cyrix ªº»{ÃÒ¡C
Q: ¤°»ò¬O PC 100 SDRAM?
A: ÁöµM 440BX ´¹¤ù²Õ¦³¤ä´© 100MHz ¥~ÀW¡A¦ý¶Ç²Îªº FPM »P EDO DRAM «oµL
ªk¦b³oºØ¥~ÀW¤U¥¿±`¹B§@¡C¬°¤F¥R¤À¤ä´© 100MHz ¥~ÀW¡AIntel ´£¥X¤F¤@-Ó "PC
SDRAM Specifications" ¨Ó°µ¬°·s¤@¥N SDRAM ³]-pªº¨Ì¾Ú¡A³o¤]´N¬O©Ò¿×ªº
PC 100 SDRAM ³W®æ¡C-n¦b100MHz ¬Æ¦Ü§ó°ªªº¥~ÀW¤U¡A±o¨ì¸û¦nªº®Ä¯à»PÃ-
©w©Ê¡A§Ú-̱j¯P«Øij±z¿ï¥Î²Å¦X PC 100 ³W®æªº SDRAM¡C¥H¤U´N¬O AOpen ´ú
¸Õ¹Lªº PC 100 SDRAM¡G
Size Vendor Model Single/Double Chip Count
16M Micron MT48LC2M8A1-08 x1 8
16M TI TMX626812BDGE-10A x1 8
16M Hyundai HY57V168010CTC-10 x1 8
32M Micron MT48LC2M8A1-08 x2 16
32M Hyndai HY57V168010CTC-10 x1 16
32M NEC D4516821AG5-A10-7JF x1 16
32M SEC KM48S2020CT-GH x1 16
128M Simens HYS72V16220GU x2 18