Difference between revisions of "TU56 DECtape Transport"

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{{Infobox Tape drive|
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{{Infobox Tape drive
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name = TU56 |
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| name = TU56
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manufacturer = [[Digital Equipment Corporation]] |
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| manufacturer = [[Digital Equipment Corporation]]  
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media = [[DECTape]] |
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| media = [[DECTape]]
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controller = [[TD8E]] |
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| controller = [[TC08 DECtape Controller|TC08]], [[TD8-E Simple DECtape Control|TD8-E]], [[TC11 DECtape controller|TC11]]
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| image = Tu56.jpg
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| caption = A TU56 drive
 
|}}
 
|}}
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The '''TU56 DECtape Transport''' is an enhanced successor to the [[TU55 DECtape Transport|TU55]]  [[DECtape]] [[magnetic tape drive]]. The usual configuration was dual-drive (referred to as 'dual transport'), but a single-drive version, the '''TU56H''', was available. The '''TU56M''' (dual) and '''TU56HM''' (single) model included 5 G888 Read/Write Amplifier [[FLIP CHIP]]s, for use with [[device controller]]s which do not include that functionality.
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==Card locations and counts==
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The TU56 contains a small [[backplane]] holding a number of [[FLIP CHIP]] modules. The module location chart for the TU56 backplane is (starting at the right-hand side, viewed from the board-insertion side):
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{| class="wikitable"
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! Slot !! A !! B !! Use
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|-
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| 1 || colspan="2" style="text-align:center;" | G848 || Left forward
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|-
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| 2 || colspan="2" style="text-align:center;" | G848 || Left reverse
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|-
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| 3 || G859 || G847
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|-
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| 4 || M941 || M922%
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|-
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| 5 || M531 || M113
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|-
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| 6 || M908 || M113
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|-
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| 7 || M908 || M117
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|-
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| 8 || M040 || M302
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|-
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| 9 || colspan="2" style="text-align:center;" | G851%
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|-
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| 10 || colspan="2" style="text-align:center;" | W032#
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|-
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| 11 || colspan="2" style="text-align:center;" | W032#
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|-
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| 12 || colspan="2" style="text-align:center;" | G851%
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|-
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| 13 || G888* || G888*
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|-
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| 14 || G888* || G888*
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|-
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| 15 || M040 || G888*
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|-
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| 16 || M117 || M113
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|-
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| 17 ||   || M922%
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|-
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| 18 || M941 || G847
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|-
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| 19 || colspan="2" style="text-align:center;" | G848 || Right forward
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|-
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| 20 || colspan="2" style="text-align:center;" | G848 || Right reverse
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|}
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(% = Connector)<br>
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(# = TU56H only)<br>
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(* = Optional, not used in standard controllers)
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===Module counts===
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Module counts (drawn from the module count chart, mostly confirmed in the module utilization drawing):
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[[Image:TU56Boards.jpg|thumb|right|400px|Internals of a TU56 drive]]
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{| class="wikitable"
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! Count !! Type !! Description
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|-
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| 1 || G742# || Positive Logic Jumper Card
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|-
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| 2& || G847 || Dual Motor Voltage Control
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|-
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| 4& || G848 || Motor Control
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|-
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| 2& || G851 || Relay
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|-
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| 1 || G859 || Clock Regulator
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|-
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| 5 || G888* || Manchester Reader/Writer (Read/Write Amplifier)
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|-
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| 2& || M040 || Solenoid Driver
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|-
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| 3& || M113 || 10x2 Input NAND Gate
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|-
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| 2& || M117 || 6x4 Input NAND Gate
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|-
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| 1 || M302 || Dual Delay MV
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|-
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| 1 || M531# || Bus Converter
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|-
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| 2 || M908 || Connector
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|-
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| 2& || M922 || Cable Connector
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|-
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| 1 || M923* || Cable Connector
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|-
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| 2& || M941% || Jumper Card
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|-
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| 2 || W032 || Cable Connector
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|}
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(& = dual drive; half this in a single drive)<br>
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(# = M531 is used with a negative logic controller; G742 with a positive logic controller)<br>
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(% = Replaced with a W5l3 when the transport is connected to a relay driver controller)<br>
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(* = Optional, not used in standard controllers)
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==See also==
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* [[TU55 DECtape Transport]]
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==External links==
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* [http://www.bitsavers.org/pdf/dec/dectape/tu56/DEC-00-HRTC-D_TU56_Mantenance_Manual_Jan73.pdf TU56 DECtape Transport Maintenance Manual] (DEC-00-HRTC-D)
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* [http://www.bitsavers.org/pdf/dec/dectape/tu56/DEC-TU56-IPB-2_TU56_IPB_1973.pdf TU56 DECtape Illustrated Parts Breakdown] (DEC-TU56-IPB-2)
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* [http://www.bitsavers.org/pdf/dec/dectape/tu56/TU56_Rev_AN_Engineering_Drawings_Apr73.pdf TU56 DECtape transport engineering drawings] (TU56-77-AN)
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* [http://www.bitsavers.org/pdf/dec/dectape/tu56/TU56H_Engineering_Drws_Jun73.pdf TU56 DECtape transport engineering drawings] (TU56-78-AP)
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* [http://www.bitsavers.org/pdf/dec/dectape/tu56/TU56_Rev_AV_Engineering_Drawings_Oct74.pdf TU56 DECtape transport engineering drawings] (TU56-83-AV)
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* [https://www.pdp-11.nl/peripherals/tape/tu56-info.html TU56 tape drive]
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[[Category: DEC Tape Drives]]
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[[Category: DECtape]]

Latest revision as of 00:31, 1 March 2023


TU56
Tu56.jpg
A TU56 drive
Manufacturer: Digital Equipment Corporation
Drive Controller(s): TC08, TD8-E, TC11
Media: DECTape


The TU56 DECtape Transport is an enhanced successor to the TU55 DECtape magnetic tape drive. The usual configuration was dual-drive (referred to as 'dual transport'), but a single-drive version, the TU56H, was available. The TU56M (dual) and TU56HM (single) model included 5 G888 Read/Write Amplifier FLIP CHIPs, for use with device controllers which do not include that functionality.

Card locations and counts

The TU56 contains a small backplane holding a number of FLIP CHIP modules. The module location chart for the TU56 backplane is (starting at the right-hand side, viewed from the board-insertion side):

Slot A B Use
1 G848 Left forward
2 G848 Left reverse
3 G859 G847
4 M941 M922%
5 M531 M113
6 M908 M113
7 M908 M117
8 M040 M302
9 G851%
10 W032#
11 W032#
12 G851%
13 G888* G888*
14 G888* G888*
15 M040 G888*
16 M117 M113
17   M922%
18 M941 G847
19 G848 Right forward
20 G848 Right reverse

(% = Connector)
(# = TU56H only)
(* = Optional, not used in standard controllers)

Module counts

Module counts (drawn from the module count chart, mostly confirmed in the module utilization drawing):

Internals of a TU56 drive
Count Type Description
1 G742# Positive Logic Jumper Card
2& G847 Dual Motor Voltage Control
4& G848 Motor Control
2& G851 Relay
1 G859 Clock Regulator
5 G888* Manchester Reader/Writer (Read/Write Amplifier)
2& M040 Solenoid Driver
3& M113 10x2 Input NAND Gate
2& M117 6x4 Input NAND Gate
1 M302 Dual Delay MV
1 M531# Bus Converter
2 M908 Connector
2& M922 Cable Connector
1 M923* Cable Connector
2& M941% Jumper Card
2 W032 Cable Connector

(& = dual drive; half this in a single drive)
(# = M531 is used with a negative logic controller; G742 with a positive logic controller)
(% = Replaced with a W5l3 when the transport is connected to a relay driver controller)
(* = Optional, not used in standard controllers)

See also

External links

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