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ARCHIVE PYTHON DDS-DC DA T DRIVES---PRODUCT DESCRIPTION MANUAL
Position 1 shows the tape drive type. This character is always 4 for Archive DAT products, which refers to
the 4-millimeter tape size.
Position 2 shows the fonn factor. This character is either a 5, which refers to the 5.25-inch internal fonn
factor, or a 3, which refers to either the 3.5-inch internal fonn factor or an external Python subsystem, which
(like all Archive Python drives) uses a 3.5-inch internal mechanism.
Position 3 is a marketing option.
Position 4 denotes the following: 0 for single-ended SCSI interface models without data compression; 1 for
differential SCSI interface models without data compression; and 2 for single-ended SCSI interface models
with data compression.
Position 5 also shows whether the drive is an internal or external unit. This character is an N for internal or
an X for external.
Position 6 shows the interface and PROM type. For the SCSI-l or SCSI-2 compatible interface (default
setting SCSI-2) with the standard PROM, this character is a T. For the SCSI-l or SCSI-2 compatible
interface (default setting SCSI-2) with flash EEPROM, this character is a P.
1.2.2 Python OAT Drives
Figures 1-1, 1-2, and 1-3 illustrate the Python 4322, 4542, and 4352 drives, respectively.
Figure 1-1
Python 4322 OAT Drive
1-4
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