Fujitsu MPA3035AT Product Manual - Page 26
System Configuration, The high-speed
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(5) Air circulation system The disk enclosure (DE) is sealed to prevent dust and dirt from entering. The disk enclosure features a closed loop air circulation system that relies on the blower effect of the rotating disk. This system continuously circulates the air through the circulation filter to maintain the cleanliness of the air within the disk enclosure. (6) Read/write circuit The read/write circuit uses a LSI chip for the read/write preamplifier. It improves data reliability by preventing errors caused by external noise. (7) Controller circuit The controller circuit consists of an LSI chip to improve reliability. The high-speed microprocessor unit (MPU) achieves a high-performance AT controller. 2.2 System Configuration 2.2.1 ATA interface Figures 2.3 and 2.4 show the ATA interface system configuration. The drive has a 40-pin PC AT interface connector and supports the PIO transfer till 16.7 MB/s (ATA-3, Mode 4), the DMA transfer till 16.7 MB/s (ATA-3, Multiword mode 2), and the ultra DMA transfer till (ATA-4, Mode 4). 2.2.2 1 drive connection Host HA (Host adaptor) Disk drive AT bus (Host interface) ATA interface Figure 2.3 1 drive system configuration 2 - 4 C141-E034-02EN
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