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OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) SSA MODELS 1.12/2.25 GB - 1.0" HIGH
Table 11. Electrical Connector Contact Assignments —CxC Models
5.2 Carrier Connector
Electrical connections for CxB models are provided by a single 128 pin connector mounted on the rear of
the drive (see Figure 15 on page 58 for location). Connections are provided for two SSA ports, fault
sensors and indicators, and power. The receptacle used is a 4×32, female contact, BERG HPC connector,
IBM part number 99F9429. Refer to Figure 20 and Table 12 on page 65 for contact assignments.
Pin SSA PORT SSA PORT OPTION PORT POWER PORT
1 + Line Out + Line Out - MTM + 12V Charge
(long)
2 - Line Out - Line Out - Auto Start + 5V Charge (long)
3 Gnd (long) Gnd (long) - Sync Gnd (long)
4 Gnd (long) Gnd (long) - Write Protect + 12V
5 - Line In - Line In Gnd (long) + 12V
6 + Line In + Line In - Device Activity + 12V
7 N/A N/A +5V Gnd (long)
8 N/A N/A - Device Fault Gnd (long)
9 N/A N/A Programmable 1 +5V
10 N/A N/A Programmable 2 +5V
11 N/A N/A N/A - Power Fail
12 N/A N/A N/A GND (long)
13 N/A N/A N/A + 3.3V
14 N/A N/A N/A + 3.3V
15 N/A N/A N/A Gnd (long)
16 N/A N/A N/A Gnd (long)
Figure 20. Carrier Interface Receptacle
Source filename=ELECTRICIBM CorporationPage 64 of 87