Control Data 3528 Manuals

Manuals and User Guides for Control Data 3528. We have 1 Control Data 3528 manual available for free PDF download: Reference Manual

Control Data 3528 Reference Manual

Control Data 3528 Reference Manual (68 pages)

MAGNETIC TAPE CONTROLLER

Brand: Control Data | Category: Computer Hardware | Size: 2 MB

Table of Contents

Table of Contents
4
Functional Description
6
Introduction
6
3518 Magnetic Tape Controller (1 X 8)
6
3528 Magnetic Tape Controller
6
Typical Dual Channel Configuration
9
Subsystem Configuration
10
Recording Methods
11
- NRZI Recording
  11
NRZI and Phase Bits
11
NRZI Formats
12
- Phase Encoded Recording
  13
Transfer Rates
13
Character Transfer Rates between the Controller and
14
Maximum Byte Transfer Rates between Data Channel and Nine Track Controller
14
Data Transfer Operations
15
- Write Operation
  15
- Read Operation
  18
Seven Track Operations
20
Special Operations
24
Parity Checking
24
Error Detection and Correction
26
- NRZI Error Detection/Correction
  26
- Phase Error Detection/Correction
  27
Int to Ext BCD
28
Codes
30
Introduction
30
Connect Code
32
Function Codes
34
- Tape Motion Codes
  35
- Format/Mode Selection Codes
  37
- Interrupt Codes
  42
Status Codes
44
- Status 1 Codes
  45
- Codes
  47
  - Character Transfer During Fill Status
    48
Character Accumulation
51
Switches and Indicators
53
Introduction
53
Switches
53
- Equip No. Rotary Switch
  53
- Neg Ec Ec Phase
  53
- BIT TEST/8 BIT NORMAL Transfer Switch
  53
- 1600 Error Simulator
  53
Indicators
54
- Conn
  54
- BIT 0 through BIT
  54
- Int
  54
- Fm/Tm
  54
- Vert P. E
  54
- Long P.e. (Nrzi Only)
  55
- MULTI TR (Phase)
  55
- Uncorr
  55
- Crc Err
  55
- Write
  55
- Bcd
  55
Operation and Programming
57
Subsystem Clearing
57
Clearing Parity Errors
59
- Transmission Parity Error
  59
- Other Parity Errors
  59
Overlapping Operations
59
Lost Data
60
Reverse Read
60
File Mark/Tape Mark
61
Loading Memory
61
Density Selection
63
- Density Select Responses
  63
- Tape Units
  63
- Density Select Considerations
  64
Programming Considerations
64
- Write FM/TM or Search
  64
- Functions
  64
- Detecting a Preamble or Postamble
  64
- Lost Data Status
  64
- Switching to 800 CPI at Load Point
  64
- Density Indications on Nine Track Controllers
  65
- Channel Hang Condition
  65
  - Parity Error Conditions
    65

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