Seagate HAWK 4 Series Product Manual page 30

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Model "WC" Single Ended PCB [1]
U15
U16
U2Ø
U11
U1Ø
Model "W" Single Ended I/O PCB [1]
U15
U16
U2Ø
U11
U1Ø
[1] Bottom side of PCB.
[2] U2, U3, U17, U31 are in same locations as other PCB's.
Figure 7.4.1-1. Locations of components listed in Table 7.4.1-1
Product Manual - Hawk 4 Family (Wide) SCSI-2 (Volume 1), Rev. E
U2
U17
U7
U3
Q13
U31
Q4
U1
Q1
Q2
U25
J1
U2
U17
U7
U3
Q13
U31
Q4
U1
Q1
Q2
U4
U25
U5
J1
PCB
Model "DC" Differential I/O PCB [1] [2]
U25
U1Ø
Model "WD" Differential I/O PCB [1]
U15
U16
U2Ø
U7
U11
U25
U1Ø
J1
HDA
U18 U13 U14
J1
U2
U17
U3
Q13
U31
Q4
U1
Q1
Q2
U18 U13 U14