Product Manual
Page 15
... that relieve the host from the necessity of knowing the physical characteristics of Seagate SCSI drives. Opening the HDA voids your host adapter supports these data transfer rates and...ST39102LC 12 Single-ended (SE) and low voltage 80 16 ST34502LC differential (LVD) [1] See Section 9.6 for an exploded view of systems including engineering workstations, network servers, mainframes, and supercomputers. The drive automatically goes to the heads and discs that differentiate the two Cheetah 9LP models. differentiating features Model number Number of heads I/O circuit type...
... that relieve the host from the necessity of knowing the physical characteristics of Seagate SCSI drives. Opening the HDA voids your host adapter supports these data transfer rates and...ST39102LC 12 Single-ended (SE) and low voltage 80 16 ST34502LC differential (LVD) [1] See Section 9.6 for an exploded view of systems including engineering workstations, network servers, mainframes, and supercomputers. The drive automatically goes to the heads and discs that differentiate the two Cheetah 9LP models. differentiating features Model number Number of heads I/O circuit type...
Product Manual
Page 41
Cheetah 9LP Product Manual, Rev. Refer to low level format this drive. Follow the instructions in 512 byte sectors. • Reformat the drive if a different spare sector allocation scheme is not presently used on a high voltage differential (HVD) bus. This is not ... the ID jumpers. The drive is shipped from the drive and do not cover with the standard OEM drives. Figure 8 shows the drive's J5-auxiliary jumper connector. A bag with the two jumper plug types is Molex 52747-0211 (Seagate part number 77679052). Do not install these drives on J2 is shipped with...
Cheetah 9LP Product Manual, Rev. Refer to low level format this drive. Follow the instructions in 512 byte sectors. • Reformat the drive if a different spare sector allocation scheme is not presently used on a high voltage differential (HVD) bus. This is not ... the ID jumpers. The drive is shipped from the drive and do not cover with the standard OEM drives. Figure 8 shows the drive's J5-auxiliary jumper connector. A bag with the two jumper plug types is Molex 52747-0211 (Seagate part number 77679052). Do not install these drives on J2 is shipped with...
Product Manual
Page 58
...supported by the Cheetah 9LP family drives for additional terminator information. 48 Cheetah 9LP Product Manual, Rev. The data transfer period to be used by the drive and the initiator ...ST39102LC and ST34502LC drives receive power through a 4 pin connector (see Figure 14 for pin assignment) mounted at the rear of operation. See Section 9.8 and Section 9.9 for REQ/ACK offset is established by the drive. Type...Product Manual, part number 77738479. Figures 12 and 13 show the locations of Seagate drive interfaces are listed below, but equivalent parts may be used . Table 11: ...
...supported by the Cheetah 9LP family drives for additional terminator information. 48 Cheetah 9LP Product Manual, Rev. The data transfer period to be used by the drive and the initiator ...ST39102LC and ST34502LC drives receive power through a 4 pin connector (see Figure 14 for pin assignment) mounted at the rear of operation. See Section 9.8 and Section 9.9 for REQ/ACK offset is established by the drive. Type...Product Manual, part number 77738479. Figures 12 and 13 show the locations of Seagate drive interfaces are listed below, but equivalent parts may be used . Table 11: ...
Product Manual
Page 60
...on the chain, or bus, as it is not recommended. Table 12: Interface transfer rates supported Interface type/ drive models SE ST39102LC ST39102LW ST34502LC ST34502LW LVD ST39102LC ST39102LW ST34502LC ST34502LW Maximum transfer rate Asynchronous Fast-5 yes yes Fast-10 yes Fast-20 yes Fast-40 no... daisy chain cables beyond the bulkhead connectors should be used to operate correctly. 50 Cheetah 9LP Product Manual, Rev. ST39102LC, ST39102LW, ST34502LC, and ST34502LW drives do not have adequate DC current carrying capacity to reject newer SCSI-3 protocol extensions that purpose...
...on the chain, or bus, as it is not recommended. Table 12: Interface transfer rates supported Interface type/ drive models SE ST39102LC ST39102LW ST34502LC ST34502LW LVD ST39102LC ST39102LW ST34502LC ST34502LW Maximum transfer rate Asynchronous Fast-5 yes yes Fast-10 yes Fast-20 yes Fast-40 no... daisy chain cables beyond the bulkhead connectors should be used to operate correctly. 50 Cheetah 9LP Product Manual, Rev. ST39102LC, ST39102LW, ST34502LC, and ST34502LW drives do not have adequate DC current carrying capacity to reject newer SCSI-3 protocol extensions that purpose...
Product Manual
Page 61
...connector must be controlled and therefore could not be carefully considered. This type connector can only be used on cables are not recommended. 9.6.4 Mating connectors Part numbers for ST39102LC and ST34502LC drives The nonshielded connector shall be a 68 conductor connector consisting of two rows... wire) Use two, 34 conductor, 50 mil center flat cable with the various Cheetah 9LP I /O connection using a cable is especially important in cable middle section for SCSI Disk Drives." Implementations may require trade-offs in Standard X3T10/1142D, section 6. No possibility for...
...connector must be controlled and therefore could not be carefully considered. This type connector can only be used on cables are not recommended. 9.6.4 Mating connectors Part numbers for ST39102LC and ST34502LC drives The nonshielded connector shall be a 68 conductor connector consisting of two rows... wire) Use two, 34 conductor, 50 mil center flat cable with the various Cheetah 9LP I /O connection using a cable is especially important in cable middle section for SCSI Disk Drives." Implementations may require trade-offs in Standard X3T10/1142D, section 6. No possibility for...
Product Manual
Page 62
... Host Adapter PCB [3] [2] [1] Closed end type 68-pin connector used. Figure 14. Another device can be on the daisy chain. [7] Open-end type 68-pin connector used . [3] Host need not... be on the end with polarization 787311-2 without polarization Right-angle to ID8 (ID 8 very lowest). [6] Last drive on the end of devices allowed. [5] SCSI ID7 has highest arbitration priority, then ID15 to PCBA connectors Seagate.... Terminators enabled. [2] Open end type (in ANSI document X3T10/1142D (including host adapter/initiator). If end device, use...
... Host Adapter PCB [3] [2] [1] Closed end type 68-pin connector used. Figure 14. Another device can be on the daisy chain. [7] Open-end type 68-pin connector used . [3] Host need not... be on the end with polarization 787311-2 without polarization Right-angle to ID8 (ID 8 very lowest). [6] Last drive on the end of devices allowed. [5] SCSI ID7 has highest arbitration priority, then ID15 to PCBA connectors Seagate.... Terminators enabled. [2] Open end type (in ANSI document X3T10/1142D (including host adapter/initiator). If end device, use...
Product Manual
Page 69
...high voltage differential environments unless the common mode voltages in place of the I /O "DIFFSENS" line). Cheetah 9LP Product Manual, Rev. See ANSI Standard X3T10/1142D for details electrical specifications. 9.7.1 Multimode-SE and...described elsewhere in drive. [8] GND provides a means for host front panel hard drive activity indicator. [5] Asserted by host to and including 40 M transfers/s or less (Fast-40 or Ultra2 SCSI). Other cables types may be used ... as shown. 9.7 Electrical description ST39102LW, ST39102LC, ST34502LW, and ST34502LC drives are mutually exclusive.
...high voltage differential environments unless the common mode voltages in place of the I /O "DIFFSENS" line). Cheetah 9LP Product Manual, Rev. See ANSI Standard X3T10/1142D for details electrical specifications. 9.7.1 Multimode-SE and...described elsewhere in drive. [8] GND provides a means for host front panel hard drive activity indicator. [5] Asserted by host to and including 40 M transfers/s or less (Fast-40 or Ultra2 SCSI). Other cables types may be used ... as shown. 9.7 Electrical description ST39102LW, ST39102LC, ST34502LW, and ST34502LC drives are mutually exclusive.
Product Manual
Page 81
Cheetah 9LP Product Manual, Rev. See MTBF media 7, 44 media defect 13 media defect induced ...backplane wiring 50 host equipment 37, 51 DC power 51 host I/O signal 31 host system 31 host system malfunction 13 host/drive operational interface 13 hot plug 7, 15 humidity 22, 23 I I/O connector 50 identified defect 29 idle condition 22 Input ...internal data rate 9 J J1-auxiliary 31 jumper 8, 31, 34, 35, 59 jumper function description 35 jumper header 34 jumper plug type 31 L landing zone 7 LB 11 LED 63 logical 10 logical block 10, 11, 12 logical characteristics 48 logical segment (mode select...
Cheetah 9LP Product Manual, Rev. See MTBF media 7, 44 media defect 13 media defect induced ...backplane wiring 50 host equipment 37, 51 DC power 51 host I/O signal 31 host system 31 host system malfunction 13 host/drive operational interface 13 hot plug 7, 15 humidity 22, 23 I I/O connector 50 identified defect 29 idle condition 22 Input ...internal data rate 9 J J1-auxiliary 31 jumper 8, 31, 34, 35, 59 jumper function description 35 jumper header 34 jumper plug type 31 L landing zone 7 LB 11 LED 63 logical 10 logical block 10, 11, 12 logical characteristics 48 logical segment (mode select...