RA92 disk drive: Difference between revisions
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1.506 GB (formatted) [[ | The '''RA92 disk drive''' was a 1.506 GB (formatted) [[Standard Disk Interconnect]] [[non-removable-media disk]] from [[Digital Equipment Corporation|DEC]]. It is member of the [[Digital Storage Architecture]] family. It was internally operated by three [[microprocessor]]s. | ||
* 1.987 GB (un-formatted) | |||
* 3,099 User Cylinders | * 3,099 User Cylinders | ||
* 14 Heads (13 data + 1 servo) | * 14 Heads (13 data + 1 servo) | ||
| Line 6: | Line 7: | ||
* 2,942,849 User Blocks | * 2,942,849 User Blocks | ||
* 16 ms Average Seek | * 16 ms Average Seek | ||
* 8. | * 8.81 ms Average Latency | ||
* 26.56 cm x 22.19 cm x 68.47 cm Size | |||
* 31.8 kg/ 70 lbs Weight | |||
The RA92 can also be connected in a dual-[[hardware port|port]] arrangement, permitting its use by two [[device controller|controllers]]. | |||
{{stub}} | {{stub}} | ||
[[Category: | ==External links== | ||
* [http://www.vaxhaven.com/images/4/42/EK-ORA90-UG-002.pdf RA90/RA92 Disk Drive User Guide] (EK–ORA90–UG–002) | |||
* [http://bitsavers.org/pdf/dec/disc/ra90/EK-ORA90-SV-003_RA90_RA92_Service_Jun90.pdf RA90/RA92 Disk Drive Service Manual] (EK-ORA90-SV-003) | |||
* [http://www.vaxhaven.com/images/8/81/EK-RA90H-IN-002.pdf RA90/RA92/H9643 Cabinet Installation Guide] (EK-RA90H-IN-002) | |||
[[Category: SDI Disk Drives]] | |||
[[Category: DEC Non-removable-media Disks]] | |||
Latest revision as of 01:14, 31 August 2023
The RA92 disk drive was a 1.506 GB (formatted) Standard Disk Interconnect non-removable-media disk from DEC. It is member of the Digital Storage Architecture family. It was internally operated by three microprocessors.
- 1.987 GB (un-formatted)
- 3,099 User Cylinders
- 14 Heads (13 data + 1 servo)
- 73 Sectors (+ 1 spare)
- 2,942,849 User Blocks
- 16 ms Average Seek
- 8.81 ms Average Latency
- 26.56 cm x 22.19 cm x 68.47 cm Size
- 31.8 kg/ 70 lbs Weight
The RA92 can also be connected in a dual-port arrangement, permitting its use by two controllers.
External links
- RA90/RA92 Disk Drive User Guide (EK–ORA90–UG–002)
- RA90/RA92 Disk Drive Service Manual (EK-ORA90-SV-003)
- RA90/RA92/H9643 Cabinet Installation Guide (EK-RA90H-IN-002)
