ND110324
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The ND110324 is a re-branded StorageTek model 2920 9-track tape drive.
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Technical data
- Interface : SCSI HVD (5V differential)
- Rack mounted, vertical orientation
- Weight 58 kg
- Tape formats 1600 / 6250 BPI [1], selectable manually or via software
- Auto load function but possible to load manually too
Fault codes
The drive have a lot of tests done during operation and can display a hexadecimal fault code on its built in display. From 001 up to F13. For the complete list of fault codes, look in the FCD (Fault Code Dictionary) manual. [2] Depending on interface and microcode version different fault codes can be displayed.
Microcode level
The drive can have several versions of microcode. To find the version of a drive, use the following front panel sequence.
<ENTER ADDR>,1FFA,<ENTER> : displays msb of the release level
<ENTER> : displays lsb of the release level
Configuration
There are a number of options that can be configured by switches on the interface card. (See chapter 6.1.8 in the service manual from Apr88[3])
- SCSI Bus ID
- Enable SCSI Bus Parity
- Connect TERMPWR to Pin 25
- Connect TERMPWR to Pin 26
- Enable DIFFSENS
- Disable Timeouts
- Report EOM.on Read
- Disable GCR Write Correction
- Write Buffer Threshold
- Read Buffer Threshold
- Number of Write Retries
- Number of Read Retries
- Buffer Size After Early EOT
- Sync on 2 Filemarks
Sources
- ↑ Norsk Data Library, Hardware - ND-99.119.1EN : ND-110324 Magtape Quick reference card
- ↑ STC 2920 documents on Bitsavers
- ↑ 95521 STC 2920 Maintenance Apr88