Direction | Fujitsu MPF3XXXAH manual

3.3Mounting

(1)Direction

Figure 3.3 illustrates normal direction for the disk drive. The disk drives can be mounted in any direction.

Horizontal mounting with the PCB facing down

Figure 3.3 Direction

(2)Frame

The disk enclosure (DE) body is connected to signal ground (SG) and the mounting frame is also connected to signal ground. These are electrically shorted.

Note:

Use No.6-32UNC screw for the mounting screw and the screw length should satisfy the specification in Figure 3.5.

(3)Limitation of side-mounting

When the disk drive is mounted using the screw holes on both side of the disk drive, use two screw holes shown in Figure 3.4.

Do not use the center hole. For screw length, see Figure 3.5.

3 - 4

C141-E106-01EN

Image 35

Fujitsu MPF3XXXAH manual Direction

Contents

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Hstrobe Dstrobe IordyDdmardy 1 I/O registers Logical Interface DA2 DA1 DA0 I/O registers Icrc UNC Idnf Abrt TK0NF Amnf Command block registersPage DEV HS3 HS2 HS1 HS0 BSY Drdy DSC DRQ ERR Page Srst Host CommandsControl block registers Command code and parameters 1 Command code and parameters Command code and parameters 2 LBA LSB Command descriptionsLBA 1F2 HSC Transfer sector count 1F1 HFR = 0 or C141-E106-01EN Read Multiple XC4 BSY Drdy Intrq DRQ Execution example of Read Multiple command 1F3 HSN Start sector No 1F4 HCL End cylinder No. LSB LBA Write Multiple XC5 LBA Write Verify X3C LBA 1F2 HSC 1F1 HER Error information C141-E106-01EN Identify Device XEC Initialize Device Parameters 7DEOH ,QIRUPDWLRQWREHUHDGE\,17,9,&FRPPDQGRI 0DQXIDFWXUHUVUHFRPPHQGHG0$WUDQVIHUF\FOHWLPHQV@ 7DEOH ,QIRUPDWLRQWREHUHDGE\,17,9,&FRPPDQGRI LW5HVHUYHG LW5HOHDVH,QWHUUXSWVXSSRUWHG LW 8QGHILQHG Identify Device DMA XEE SET Features XEF Qdeohwkhdgydqfhgsrzhupdqdjhphqwixqfwlrq 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$PRGHLjxuhvkrzvdqhdpsohridvvxplqjwkhuhlvqrwudfnvnhz Ljxuh $GGUHVVWUDQVODWLRQHDPSOHLQ/%$PRGH 5HVHWKDUGZDUHRUVRIWZDUH $FWLYHPRGH$GHYLFHHQWHUVWKHDFWLYHPRGHXQGHUWKHIROORZLQJFRQGLWLRQV Gohprgh Power commands Ljxuh 6HFWRUVOLSSURFHVVLQJ 6SDUHDUHD6SDUHF\OLQGHUIRUDOWHUQDWLYHDVVLJQPHQW QGH Khqdzulwhhuururffxuvdqgwkhhuurugrhvqrwuhfryhuhg $OWHUQDWHF\OLQGHUDVVLJQPHQW$OWHUQDWH \OLQGHU$OUHDG\ Ljxuh Dwdexiihufrqiljxudwlrq 5HDG$KHDG&DFKHDwdexiihufrqiljxudwlrq ∙ Write Sectors ∙ Write DMA ∙ Write Multiple Caching operation∙ Read Sector S ∙ Read Multiple ∙ Read DMA DAP Usage of read segmentHAP Mis-hit data Empty data Read-ahead data New read-ahead data Hit data HAP set to hit position for data transfer Partially hit data Lack data Write Cache ∙ Write Sectors ∙ Write Multiple ∙ Write DMA XVLQHVV3ODQQLQJ