Honeywell LEVEL 6 User manual

I
SYSTEM AND PERIPHERALS
Honey",ell
OPERATION .
SERIES 60 (LEVEL 6)
HARDWARE

,
-/
,
If
r"
SYSTEM AND~ERIPHERALS
HoneY"'ell OPERATION
SERIES 60 (LEVEL 6)
SUBJECT:
Control and Indicator Information, and Operating and Maintenance Procedures for the Level 6
Model 6/34 and 6/36 System Control Panel and Peripheral Devices
DATE: February 1976
ORDER NUMBER:
AT04, Rev. 0

PREFACE
This manual describes Level 6 system and peripheral unit operating
procedures and operational characteristics. The manual
is divided into ten
sections. Section I
is an introduction to the system. Section 2 contains
system operating procedures. Section 3 through 10 discuss system com-
ponents and peripherals, including controls and indicators, fault conditions,
and
operator maintenance. Documents supporting this manual and suggested
for
operator reference are:
Series 60 (Level 6) Minicomputer Handbook, Order No. AS22
Series 60 (Level 6) GCOS/BES Operator's GUide, Order No. AS33
Computer Supplies Catalog, Order No. BY62
Computer Supplies Price List Catalog, Order No. AR06
© 1976, Honeywell Information Systems Inc. File No.: IS03
AT04

CONTENTS
Page
Page
Section l. In trod uction . . . . . . . . . . . . . 3-8
Supplies
.. . . . . . . . . . . . . . . . . . . . . .. 1-1
Card Loading and Unloading
System Supplies
1-3
Cleaning and Checking the Card
Power ON
................... .
2-2
Functional Description and
Control Keys .................. .
2-2 Data Transfer and Disk Drive
Operator Maintenance ............. . 2-3 Cartridge Disk Unit Controls and
Section 3. Card Reader Devices . . . . . . .
.. 3-1
Handling
of Defective Cartridge Disk/
Functional Description and
Card Reader
Configuration. . . . . . . . . .. 3-2
Functional Description and
.. I-I Mark Sense Operation
............
Peripherals
..... . . . . . . . . . . . . . . . . .. 1-1
Marking
the Cards ............. 3-8
Peripheral Device
Connection. . . . . .. 1-1
Card Loading ................. " 3-8
Peripheral Interfaces and Power Card Unloading
................. 3-9
Power Distribution
Unit. . . . . . . . . 3-9 .. 1-2
On-The-Fly . . . . . . . . . . . . . . . . . . ..
Memory Save and Autorestart ...... 1-2
Card Mispicks . . . . . . . . . . . . . . . . . .. 3-9
ON/OFF Switch. . . . . . . . . . . . . 3-9 .. 1-2
Operator Maintenance ..............
Memory On Indicator. . . . . . . . . .. 1-2
Care and Handling of Cards ........ 3-9
Reset
Button ................. 1-2
Card Jams ...................... 3-10
Reader
..................... " 3-11
Section 2. Central Processor
Control
Daily Maintenance . . . . . . . . . . .
.. 3-11
Panel
........................... .
2-1
Monthly
Maintenance. . . . . . . . . .. 3-12
Functional Description
............. .
2-1
Operation
....................... .
2-1
Section 4. Cartridge Disk
Units. . . . . . . .. 4-1
Power
ON/OFF ................ .
2-2 Cartridge Disk Unit Assembly ........ 4-1
Power
OFF ................... . Characteristics
................. 4-2
Panel Security Keylock
.......... . Cartridge Disk Unit
Design. . . . . . . . . .. 4-2
Panel Lock 4-2
.................. . Cartridge Disk Unit Configuration
... "
Panel Unlock
................ . 2-2
Interconnections/System Interface. . . .. 4-2
Status
Indicator Lights ........... .
2-2 Simultaneity. . . . . . . . . . . . . . . . . . . .. 4-2
Register Display
................ .
2-3 Basic Track
Format ................ 4-3
Register Keys (Hex Pad)
.......... . 2-3 Peripheral
Commands. . . . . . . . . . . . . .. 4-3
Board Checking
................ .
2-5
Indicators . . . . . . . . . . . . . . . . . . . . .
.. 4-5
Accessing and Checking Boards
.... . 2-5
Cartridge Disk Unit Operation . . . . . .
.. 4-6
Freestanding (Tabletop).Central Standard Power-Up Procedures
..... 4-6
Subsystem
................. .
2-5
Standard Power-Down Procedures ... 4-6
Rack-Mounted Central Subsystem
..
2-5 Cartridge Disk Loading
.......... " 4-6
Physical Characteristics
............ .
2-5
Cartridge Disk Removal
.... . . . . . .. 4-7
Care and Handling
of Cartridge Disks. 4-7
Card Reader
Assembly. . . . . . . . . . . . .. 3-2 Track. . . . . . . . . . . . . . . . . . . . . . .. 4-8
Characteristics
................. 3-2 Section 5. Diskette
Device. . . . . . . . . . . .. 5-1
Card Reader Design ................. 3-2 Diskette Assembly
.. . . . . . . . . . . . . . .. 5-1
Card Reader Capabilities and Data Characteristics
................. 5-1
Formats .. . . . . . . . . . . . . . . . . . . . . .. 3-2 Diskette Design ................... 5-2
Card Data
Formats. . . . . . . . . . . . . .. 3-2 Diskette Configuration. . . . . . . . . . . . .. 5-2
Interconnections/System Interface. . . .. 3-3 Interconnections/System Interface. . . .. 5-2
Peripheral
Commands ............. " 3-5 Data Transfer and Diskette Simultaneity 5-3
Status Bits
....................... 3-5 Basic Track Format ................ 5-3
Processor
Interrupts. . . . . . . . . . . . . . .. 3-5 Peripheral Commands. . . . . . . . . . . . . .. 5-4
Card Reader Controls and Indicators 5-4
... 3-7 Diskette Operation . . . . . . . . . . . . . . .
..
Card Reader Operation. . . .. . . . . . . . .. 3-7 Disk Mounting
..... . . . . . . . . . . . .. 5-4
Standard Power-Up Procedures
..... 3-7 Disk
Removal. . . . . . . . . . . . . . . . . .. 5-4
Standard Power-Down Procedures
... 3-8
Operator Maintenance .............. 5-4
iii
AT04

Page
Page
Operator Maintenance .............. 7-12
Care and Handling
of Disks ........ 5-4
Handling
of Defective Disk/Track ... 5-5
Cleaning and Checking the Printer .. , 7-12
Preventive Maintenance
........... 7-13
Section 6. Serial Printers . . . . . . . . . . . .
.. 6-1
Functional Description. . . . . . . . . . . . .. 6-1
Section 8. Keyboard Typewriter
Operation . . . . . . . . . . . . . . . . . . . . . .
.. 6-1
Console .......................... 8-1
Power ON/OFF ................. 6-1
Functional Description. . . . . . . . . . . . .. 8-1
ControIs and Indicators ........... 6-1
Operation ....................... , 8-1
ON/OFF Line. . . . . . . . . . . . . . . .. 6-2 Power
ON/OFF ................. 8-1
Form Space .................. 6-2 ON
Pushbutton ............... 8-1
OFF Pushbutton .............. 8-1
Forms Override ............... 6-2
Single Space . . . . . . . . . . . . . . . .
.. 6-2 Controls and Indicators
........... 8-2
Printer Specification and Console Specification and
. . . . . . . . . . . . . . . . .
.. 6-2
ST ART Pushbutton ........... , 8-2
Paper
Out.
Paper Loading .................. 6-2 STOP
Pushbutton. . . . . . . . . . . . .. 8-2
Top of Form Adjustment. . . . . . . . .. 6-3 READY Indicator
............. 8-2
Form Thickness Control. . . . . . . . . .. 6-3
STANDBY Indicator
........... 8-2
Vertical
Format Unit .. . . . . . . . . . .. 6-4
AC PRESENT Indicator. . . . . . . .. 8-2
Generating a Master Tape . . . . . .
.. 6-5
OFF LINE Indicator ........... 8-2
Splicing the Tape . . . . . . . . . . . .
.. 6-5
OPERATOR ACTion Indicator ... 8-2
Duplicating the Tape
........... 6-5
Keyboard . . . . . . . . . . . . . . . . . . . .
.. 8-2
Ribbon Replacement . . . . . . . . . . .
.. 6-6 Multicopy Adjustment . . . . . . . . . .
.. 8-2
Ribbon Specification
............. 6-6 Form Loading Procedures
......... 8-2
Paper
Specification. . . . . . . . . . . . . .. 6-6
Paper
Control. . . . . . . . . . . . . . . . . .. 8-4
Operator Trouble-Shooting ........ 6-6 Loading Ribbon Cartridges. . . . . . .
.. 8-4
Interconnection/System Interface
..... 6-7
Interconnection/System Interface
..... 8-5
Programming Considerations ......... 6-7
Programming Considerations ......... 8-5
Operator Maintenance .............. 6-7
Operator Maintenance .............. 8-6
Characteristics
................... 6-8 Characteristics
................... 8-6
Section 7. Line
Printers. . . . . . . . . . . . . .. 7-1
Section 9. Teleprinters
............... 9-1
Line Printer Assembly .............. 7-1 Functional Description. . . . . . . . . . . . .. 9-1
Functional Description and Power On/Off .................... , 9-1
Characteristics
................. 7-1
Control Switch ....... '. . . . . . . . . .. 9-1
Line Printer Design. . . . . . . . . . . . . . . .. 7-1
Auto Shutdown ........ . . . . . .. 9-2
Line Printer
Configuration. . . . . . . . . .. 7-2 Paper Tape Punch Control .......... , 9-2
Interconnections/System
Interface. . . .. 7-2 Manual Operation. . . . . . . . . . . . . . .. 9-2
Line Printer Operational Capabilities
... 7-3 Automatic Operation . . . . . . . . . . . .. 9-2
Printer Character Set ............. 7-3 Paper Tape Reader Control .... :..... 9-2
Paper Tape
Format. . . . . . . . . . . . . .. 7-4 Manual Operation. . . . . . . . . . . . . . .. 9-2
Vertical
Format Unit ........... " 7-4 Automatic Operation ...... : . . . . .. 9-2
Peripheral
Commands. . . . . . . . . . . . . .. 7-4 Controls and Indicators
............. 9-2
Status Bits
,....... . . . . . . . . .. . . . .. 7-4 ,Keyboard
..................... , 9-2
Processor
Interrupts . . . . . . . . . . . . . . .. 7-4 Control Keys
................... 9-2
Line Printer Controls and Indicators 9-3
... 7-5 CTRL Key
.... . . . . . . . . . . . . . ..
Mechanical Controls and
Adjustments.. 7-7 SHIFT
Key. . . . . . . . . . . . . . . . . .. 9-3
Line Printer
Operation. . . . . . . . . . . . .. 7-8 LINE FEED Key
.............. 9-3
Standard Power-Bp Procedure . . . .
.. 7-8 RETURN Key
................ 9-3
Standard Power-Down
Procedure. . 9-4 .. 7-9 RUB
OUT Key ................
Paper Loading .................... 7-9 REPT Key
,.................. 9-4
Rib
bon Loading and Removal ........ 7-10 ALT MODE Key
.............. 9-4
Vertical
Format Tape Punching/ Operating Considerations
.......... " 9-4
Loading
........................ 7-11 Ribbon Installation
.............. 9-4
TapePunching .................. 7-11 Paper Installation . . . . . . . . . . . . . .
.. 9-4
T<).pe Loading. . . . . . . . . . . . . . . . . .. 7-11 Loading the Paper Tape Reader
., . .. 9-5
iv
AT04

Page
Figure
Page
Loading the Paper Tape Punch . .. 9-5
3-8. Card Reader Assembly. . . . . . . .. 3-10
Interconnection/System Interface
.... 9-5
3-9. Card Reader with Housing
Programming Considerations
........ 9-6 Removed
.................. 3-11
Operator Maintenance
............. 9-6 3-10. Clearing a Card Jam
........... 3-11
Teleprinter Specification and
Characteristics
..................
Section 10. CRT Keyboard Console
....
Functional Description . . . . . . . . . . . ..
Operation . . . . . . . . . . . . . . . . . . . . . ..
Power ON/OFF ................
Power ON . . . . . . . . . . . . . . . . .
..
Power OFF. . . . . . . . . . . . . . . . ..
Brightness Control ..............
Keyboard . . . . . . . . . . . . . . . . . . . ..
SHIFT Key. . . . . . . . . . . . . . . . ..
CTL (Control) Key. . . . . . . . . . ..
RPT (Repeat) Key ............
BRK (Break) Key . . . . . . . . . . . ..
CAP LOCK Key . . . . . . . . . . . . ..
Cursor Control . . . . . . . . . . . . . . . ..
Return Key .................
LF (Line Feed) Key. . . . . . . . . ..
Alarm Bell ....................
Programming Considerations ........
Operator Maintenance .............
Console Specifications and
Characteristics
..................
Interconnection/System Interface ....
ILLUSTRATIONS
Figure
1-1. Typical Level 6 System ....... .
1-2. Peripheral Device Connection
... .
1-3. Power Distribution Unit
....... .
1-4. Memory Save and Autorestart
.. .
2-1. Central Processor Control Panel
..
2-2. Control Keys Identified
by
Function ................. .
3-1.
CRU9l0l/9103 Card Reader ....
3-2. Card Reader Mechanical Assembly
(Card Pa,th)
..... ' ........... .
3-3. Binary Mode
Format ......... .
3-4. ASCII Mode
Format .......... .
3-5. Card Reader System
Configuration
.............. .
3-6. Status
Bi t Assignment ........ .
,~
3-7. Card Reader Operator Panel
.... .
9-7 4-1. Cartridge Disk Unit
........... 4-1
4-2. Cartridge Qisk Unit System
10-1
Configuration . . . . . . . . . . . . .
.. 4-1
10-1
4-3. Channel Assignments .......... 4-3
10-2 4-4. Basic Track
Format ........... 4-4
10-2 4-5. Configuration Words A and B . .
.. 4-4
10-2 4-6. CDU Operator
Panel. . . . . . . . . .. 4-5
10-2 4-7. Cartridge Disk Unit Assembly
'" 4-5
10-2
10-2 5-1.
DIU9l0l/9l02 Diskettes. . . . . .. 5-1
10-2 5-2. System Mounted
Diskettes. . . . . . 5-1
10-2 5-3. Diskette System Configuration. . .
5-2
10-2 5-4. Channel Assignments
.. . . . . . . . . 5-3
10-3 5-5. Basic Track Format
........... 5-3
10-3 5-6. Configuration Words A and B . . . . 5-4
10-3 5-7. DIM9l
01 Assembly ........... 5-5
10-3
10-3 6-1.
PRU910l and PRU9102 Serial
10-3 Printer
.................... 6-1
10-3 6-2.
PRU9l0l and PRU9l02 Control
10-4 Panel
..................... 6-1
6-3. Paper Loading and Form
10-4 Alignment
................. 6-2
10-4 6-4. Forms Thickness
Control. . . . . . . 6-3
6-5. Vertical
Format Unit. . . . . . . . .. 6-4
6-6. Vertical
Format Tape. . . . . . . . . . 6-5
6-7. Splicing a Paper Tape . . . . . . . . . . 6-5
6-8. Ribbon Replacement Diagram ... 6-6
6-9. Serial Printer Attachment
Page
Configuration. . . . . . . . . . . . . . . 6-7
1-1
7-1. PRU Line Printer
............ .
7-1
1-2
7-2. Line Printer System
1-2
Configuration
.............. . 7-2
1-3
7-3. Character Set for
PRU9104/9l06
Printers ................... . 7-3
2-1
7-4. Character Set for
PRU9l03/9l05
Printers .. ,. ................ . 7-3
2-1
7-5. Status Bit Assignment
........ .
7-5
7-6. Line Printer Operator Panel
.... .
7-5
3-1
,7-7. Printer Mechanical Controls and
Adjustments
............... . 7-8
3-1
7-8. Printer Assembly
............ . 7-9
3-3 7-9. Removing Paper Tensioner from
3-3 Drum Gate
................ . 7-9
7-10. Removal
of Printer Ribbon .... . 7-10
3-5
7-11. Printer with Ribbon and Paper
3-6 Tensioner Installed
.......... . 7-11
3-7 7-12. Printer VFU
................ . 7-12
v AT04

Figure
8-1. TWU91 0 I Keyboard Typewriter
Console
...................
8-2. TWU9101 Controls and
Indicators. . . . . . . . . . . . . . . . ..
8-3. TWU91 01 Keyboard
Configuration . . . . . . . . . . . . .
..
8-4. Paper Positioning Procedures. . . .
..
8-5. Loading Ribbon Cartridges. . . . . .
8-6. Device Interconnection/System
In terface . . . . . . . . . . . . . . . . . ..
9-1. TTU91 Oland TTU91 02
Teleprinters
................
9-2. Teleprinter Interconnections in ,
Local and Line Modes
........
9-3. TTU91 01 Control
Panel. . . . . . ..
9-4. Teleprinter Keyboard
...... '.' . .
9-5. Ribbon Installation
...........
9-6. Installation
of Paper Roll. . . . . ..
9-7. Teleprinter Attachment
Configuration . . . . . . . . . . . . . . .
10-1. DKU9101 CRT Keyboard
Console
...................
10-2. DKU9101 Keyboard Character
Layout . . . . . . . . . . . . . . . . . .
..
10-3. Controls and Indicators
........
10-4. Device Interconnection/System
Interface. . . . . . . . . . . . . . . . . ..
TABLES
Table
1-1. Level 6 Peripherals. . . . . . . . . . . .
2-1. Central Processor Control Keys
..
2-2. Status Indicator Lights ...... ; ..
2-3. Register Selection Codes .......
3-1. Card Reader Read Capabilities .
..
Page
8-1
8-1
8-2
8-3
8-4
8-5
9-1
9-2
9-3
9-3
9-4
9-5
9-6
10-1
10-1
10-2
10-4
.Page
1-1
2-2
2-3
2-4
3-2
vi
Table
3-2.
3-3.
3-4.
3-5.
3-6.
4-1.
4-2.
4-3.
5-1.
5-2.
6-1.
6-2.
6-3.
7-1.
7-2.
7-3.
7-4.
7-5.
8-1.
8-2.
9-1.
9-2.
10-1.
10-2.
Page
Card Reader Specifications/
Characteristics
.............. 3-3
ASCII Code-Hollerith . . . . . . . .
.. 3-4
ASCII Bit Relation to Bits
in Memory
.. . . . . . . . . . . . . . . .. 3-5
Command Repertoire . . . . . . . .
.. 3-5
Status Bit
Definitions. . . . . . . . . . 3-6
Cartridge Disk Unit
Capabilities.. 4-2
Cartridge Disk Unit Specifications/
Characteristics
.............. 4-3
Command Repertoire . . . . . . . .
.. 4-4
Diskette Specifications/
Characteristics
.............. 5-2
Command
Repertoire. . . . . . . . .. 5-4
Operator Trouble-Shooting ..... 6-6
Input/Output Command
Summary . . . . . . . . . . . . . . . .
.. 6-7
PRU9101 and PRU9102 Printer
Characteristics
.............. 6-8
Line Printer Capabilities
....... . 7-1
Line Printer Specifications/
Characteristics
............. . 7-2
Command Repertoire
......... . 7-4
Status Bit Definitions
......... . 7-5
Printer Fault Conditions and
Recovery Procedures
......... 7-13
Input/Output Command
Summary
.. . . . . . . . . . . . . . . .. 8-5
Console Specifications and
Characteristics
.............. 8-6
Input/Output Command
Summary
.. . . . . . . . . . . . . . . . . 9-6
Teleprinter Specification and
Characteristics Summary
...... 9-7
Input/Output Command
Summary
................. , 10-3
CRT Keyboard Console
Specifications and
Characteristics
............... 10-4
AT04

Memory Access (DMA). Multiple controllers can
SECTION I be attached
to the Level 6 Mcgabus and multiple
like adapters and devices can be attached
to any
INTRODUCTION one controller. However,
no more than four
peripheral adapters can be attached
to anyone
controller3 (see Figure 1-2).
Honeywell's Level 6 minicomputer systems
(see Figure 1-1) have been carefully engineered PERIPHERAL INTERFACES AND POWER
for simplicity and compactness
of design com: SUPPLIES
bined with maximum reliability and performance. Peripherals operate under the control
of the
With its open-ended system architecture, its software in a system environment. All action
on a
modular, highly functional software, and its peripheral
is initiated either through input/output
low-cost peripherals, Level 6 satisfies the critical
applications criteria
of end users, system builders,
and OEMs. TABLE 1-1.
LEVEL 6 PERIPHERALS
Device Description
Card Readers
CRU9101/9103
300/500 cpm punched card readers
CRU9102/9104
300/500 cpm punched card and
marked sense readers
Consoles
TTU9101/9102 10 cps, 72 characters per line,
ASR-/KSR·33
TWU91 01
30 cps, 132 characters per line, 64-
character ASCII set
DKU91
01 960 character display (12 lines, 80
characters per line)
Disk Devices
Figure 1-1. Typical Level 6 System
DlU9101/9102
Single/Dual diskettes,
401, 016
bytes/disk (unformatted), 256,
256 bytes/disk (formatted)
CDU9101 Cartridge Disk Unit, low-density,
PERIPHERALS 2.5 MB, removable disk only
Peripherals available for Level 6 system use are CDU9102 Cartridge Disk Unit, low-density,
listed in Table 1-1. The devices are supported
by
5.0 MB, fixed and removable disks
the GCOS Level 6 I/O drivers and executive CDU9103 Cartridge Disk Unit. high-density,
routines. 5.0 MB, removable disk only
CDU9104 Cartridge Disk Unit, high-density
Peripheral Device Connection 10.0 MB, fixed and removable
Peripheral devices are connected to the Level 6 disks
system via a single-board Multiple Device Control- Printers
ler (MDC91 01) and an appropriate Device-Pac
(i.e., adapter)!: The controller
is firmware driven PRU91
01 /9102 Serial Printers. 60 lpm, 64-/96-
and microprogrammed to provide four levels
of
ASCII character set
simultaneity supporting up to four devices in PRU91
03/91 04 Line Printers, 240 Ipm/300 lpm,
any combination2 with full capability
of Direct 96-/64-ASCII character set
PRU9105/9106 Line Printers, 480 Ipm/600 Ipm,
96-/64-ASCII character set
IThe cartridge disk device interfaces with the Level 6 Megabus by
means of the Mass Storage Controller (MSC) and cartridge disk
unit adapter.
2In a system
the diskette device is specifically allocated ports 0
and 1 or ports 2 and 3
or else ports 0, 1, 2, and 3. All other
3Multiple MSCs can be attached to the Level 6 Megabus. However,
devices can be allocated
ports in any combination. no more than one disk adapter can be attached
to anyone MSC.
AT04
INTRODIJCTION
1-1

LEVEL 6 MEGABUS
I
MULTIPLE DEVICE CONTROLLER
f----T---r--
I
I
I I I
I DEVICE·
I PAC
I
PERIPHERAL
DEVICE
Figure 1-2. Peripheral Device Connection
commands or by operator entered data. If a
requested. device becomes unavailable
to the
system (device turned off, device busy, device
malfunctioning, etc.) the software
outputs an
error code. The error message corresponding
to
the error code is described in the Series 60 (Level
6) GCOS/BES Operators Guide and indicates to
the
operator exactly what action is required to
correct the situation. Section 2 of this text
discusses the central processor, and sections 3
through 10 discuss the available peripherals.
For the system to operate, all the power
supplies must be turned on. Additionally, the
Power Distribution Unit and the optional
Memory Save and Autorestart must have power
applied.
The order for application
of power to the
Level 6 system
is as follows:
Power Distribution Unit
Central Processor
Memory Save and Autorestart
Peripherals
Power Distribution Unit
The Power Distribution Unit
is located in the
base
of the cabinet (bottom of the rack; see
Figure 1-3). The Power Distribution Unit
ON/
OFF switch must be set to the ON position by
the operator. This action is taken before power is
applied to the Central Processor.
Memory Save
and Autorestart
Memory Save and Autorestart
(PSS91 °1 /9lO2) is an optional device which
INTRODUCTION
Figure 1-3. Power Distribution Unit
provides for the retention of up to 131,072 bytes
of memory for a two hour period in the event of
a power failure or fault (see Figure 1-4).
In the event
of a normal system power down,
the memory contents are automatically retained
(with the
ON/OFF switch positioned ON) until
the system is manually powered up again.
ON/OFFSwitch
An ON/OFF switch enables the selection of
one of two states. When it is placed in the OFF
position, memory contents are not saved. When it
is placed in the ON position, however, the central
processor memory
contents are saved for up to
two hours by the battery backup unit.
Memory On Indicator
The device also contains a Memory On indica-
tor which when illuminated indicates that the
device
is functioning properly. Loss of ac power
for longer
than two hours or a malfunction in the
device (battery backup supply dead, etc.) causes
the power supply
to be turned Off and the
Memory On indicator
to be extinguished. Should
total device failure occur, information retained
is
not available. Manual depression of the Reset
Button
is necessary to re-illuminate the indicator
if the device itself lost power or the two hour
time period was exceeded. AC power must be
applied
to the device and the battery, if run
down, requires time
to be recharged.
Reset Button
Depression of the Reset button restores power
to the device, thereby enabling a restart.
1-2 AT04

Figure 1-4. Memory Save and Autorestart
cartridge disks, disk packs, etc. For details, see
SYSTEM SUPPLIES
the
Computer Supplies Catalog, Order No. BY62,
Honeywell markets all the supplies required and the
Computer Supplies Price List Catalog,
for the operation
of the peripherals in a Level 6 Order No. AR06.
system -printer ribbons, paper, card stock,
INTRODUCTION
1-3
AT04

OPERATION
SECTION 2
POWER
§
REGISTER
LOCATION
CONTENTS
[§l]~~
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8D MUIORVDAU
T e 9 00 INSTRUCTION
0 0 o 0
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01 IttRUDI" DATA
DC ON
.. CHECK
TRAfFIC ST 0P RUN
MONITOR
~I®ll®l:: ::::::. I
COIJIiIH~
0 0 0 0 0 0 0
READ
STEP READY
LOAD
CHANGE
PLUS
WRITE
~~~ REGISTERS
~ AD = MEMORV ADDRESS
80'" MEMORY DATA
81 THRU 81 "BASE
~~[I]~~~~
CONTROL
[1 "'Ml AND I
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01 THAU D7" DATA
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Honeywell
CUI [[]@] [[J EXECUTE
Figure 2-1. Central Processor Control Panel
CENTRAL PROCESSOR CONTROL PANEL 2-1
AT04
CENTRAL
PROCESSOR
CONTROL PANEL
This section describes the general operating
considerations
of the Level 6 central processor's
control panel (see Figure 2-1). Physical descrip-
tion as well
as applicable preventive maintenance
are also discussed.
The Level 6 central processor
is a solid state
general purpose minicomputer
that provides ex-
tensive system building capabilities and efficient
real time handling
of communications or control
problems. The central processor is a state-of-the-
art device, open-ended, powerful, and flexible.
FUNCTIONAL DESCRIPTION
The central processor control panel
is designed
for the following operator actions:
o Applying and removing
of system power
o Starting/stopping the central processor
o Entering and displaying registers and
memory
o Initiating various central processor states
The configuration
of the central processor
operator's panel includes the following functional
elements:
o Power switch
o Control panel keylock
o Status indicator lights
o Register displays
o Register keys (hexadecimal pad)
In this manual the control keys will be
referred
to by their function, with the initial or
significant letter of the key legend underlined:
e.g., Load, Plus
1, Read. To illustrate the associa-
tion
of the control key with its function, Figure
2-2 shows a close-up view of the control panel
area.
CONTROL
Figure 2-2. Control Keys Identified by Function

Power ON/OFF
Panel Lock
The Power ON/OFF switch, located on the Turning the keylock
to the left locks the
left side
of the central processor, is the primary control panel. All switches, keys and registers are
power supply switch. disabled. The
ON/OFF switch remains operable.
Panel Unlock
Power
ON
Turning the Keylock to the right unlocks
the
Positioning the ON/OFF switch up to the ON panel. In the unlocked state the panel can be used
position applies ac power
to the central processor. for normal operations.
Power
OFF
Control Keys
Positioning the
ON/OFF switch down to the There are eleven keys for controlling the
OFF position removes
ac power from the central various central processor states and operating
processor. modes. Each
of these keys is discussed in Table
2-1.
Panel Security Keylock
The Panel Security Keylock, located to the Status Indicator Lights
immediate right
of the ON/OFF switch, is used to Eleven lights located in the area
of the panel
enable/disable
all switches and keys on the labeled MONITOR indicate the status and operat-
control panel (except for
the Power ON/OFF
ing modes. Each
of these lights is discussed in
switch). Table 2-2.
TABLE 2-1. CENTRAL PROCESSOR CONTROL KEYS
Key Function Key Colora Description
L Load
-Green Depress the
boad key to place the processor in the !:.oad Mode. Depres-
sing the E key will bootload a program into memory.
C
~hange
Green Depress the
~hange key to place the processor in the ~hange Mode. In
this mode the processor
is ready to accept operator modifications to the
contents
of selected registers.
1 Plus 1
-White Depress the Plus1 key
to place the processor in Plus1 Mode. In this
mode the processor is ready to read or write successive memory locations
from the control panel, and each depression
of the E key causes the mem-
ory address register to be incremented by 1.
W Write
-White Depress to place the processor
in ~Tite Mode. In this mode the processor
~rites the contents of the selected register into the location addressed
by the memory address register (AO).
R Read
-White Depress the
.!S,ead key to place the processor in the Read Mode. In the
Read Mode the processor reads the contents
of the selected register
from the location addressed by the memory address register (AO).
S
~top
Red Depress the ..§.top key to stop instruction execution and place the proces-
sor in the
..§.top State. In this state each depression of the E key causes
execution
of one instruction so that the operator may step through a
program.
R Ready Red Depress the Ready key to place the processor in the Ready Mode
(.!S,eady
indicator ON). In this mode the processor is ready to execute. If the E
key
is depressed program execution begins and the RUN indicator
illuminates.
CLR Master Black Depress the
,g!:.~ key to clear the processor. This action resets the in-
~~a.!S,
struction register (DO) and the program counter (EO) to zero and clears
any order pending in the processor. Master clear can be performed only
in the STOP State.
S Select Green Depress the
~elect key to place the processor in the ..§.elect Mode. The
register to the operated on
is selected by keying in the proper selection
code from the hexadecimal pad.
CENTRAL PROCESSOR CONTROL PANEL 2-2 AT04

Key
Function Key Color Description
0 PlusQ White Depress the Q key to reset the
-Plus I Mode. In this mode the memory
address register cannot be modified during a memory read
or write from
the control panel.
E Execute Black Depress the.§.key to place the processor in the Run State. In this state
-the processor executes instructions starting at the location specified by
the program counter. Execution continues until the S key
is depressed
or up to the first halt instruction.
aRefer to color of key.
TABLE 2-2. STATUS INDICATOR LIGHTS
..
Indicator Description
DC ON
Lights to indicate that dc power is on.
CHECK Lights to indicate a
Mega bus element has not successfully completed its logic test
or that a Mega bus element is not plugged into the bus properly.
TRAFFIC Lights to indicate that the processor
is executing instructions other than the HALT
instruction.
RUN Lights to indicate the processor
is in the RUN State; i.e., it is executing a program.
If the TRAFFIC light is off while the RUN light is on, the processor is halted.
LOAD Lights when the L key
is depressed.
CHANGE Lights when the C key is depressed.
PLUS Lights when the plus 1key
is depressed. The light goes off when the reset-to-zero
(0) key is depressed.
WRITE Lights when the Wkey
is depressed.
READ Lights when the white R key
is depressed.
STOP/STEP Lights when the red S key is depressed.
READY Lights when the red R key
is depressed. Depress the E key to run.
OPERATOR MAINTENANCE
Register Display Operator maintenance includes such preven-
A six-digit hexadecimal (hex) display in the tive maintenance
as normal checking, cleaning,
upper part
of the panel marked REGISTER operating considerations, etc., performed periodi-
indicates the two-digit LOCATION and four digit cally
on a routine scheduled basis. The purpose of
CONTENTS of any of the twenty-one registers. the maintenance
is to keep the central SUbsystem
Table
2-3 indicates the applicable codes for in
the best of operating conditions, thereby
register selection. reducing
the possibility of downtime.
The following list is a general guide
to opera-
Register Keys (Hex Pad)
The set of 16 hexadecimal keys in the right
tor maintenance:
part
of the control panel marked REGISTERS is
o Ensure
that the central processor is plugged
called the hex pad. These keys provide access
to
into a 3- wire, grounded outlet.
the twenty-one user-visible registers.
In
the select mode, a hex pad entry selects the o Ensure
that all covers are closed and
register
to be operated on, and the digits entered secured during operation.
light up under LOCATION in the Register Dis- o
If the central subsystem is freestanding:
play.
In the change mode, a hex pad entry changes o Do
not lean on any part of cabinet
the contents
of the selected register, and the o Do
not place objects on the cabinet
digits entered light up under CONTENTS in the
Register Display. Each keystroke shifts and loads o
Food or beverages should not be near
one hexadecimal digit
into the least significant
the cabinet
hexadecimal position
of the selected register and o Keep cover clean and free
of debris
display.
AT04
CENTRAL PROCESSOR CONTROL PANEL
2-3

TABLE 2-3. REGISTER SELECTION CODES
LOCATION
CONTENTS
SELECTION CODES
VISIBLE REGISTERS
A 0
B 0
B 1
B 2
B 3
B 4
B 5
B 6
B 7
C I
0 0
D 1
D 2
D 3
D 4
D 5
D 6
D 7
E 0
E 7
I HI I
H2
I
CENTRAL PROCESSOR CONTROL PANEL
0
15
MEMORY
ADDRESS REGISTER
0
15
MEMORY DATA
REGISTER
0
15
81
B2
B3
B4
B5
B6
B7
0 8 15
IMI REGISTERI I-REGISTER I
0
15
IINSTRUCTION REGISTER I
0 15
Rl
R2
R3
R4
R5
R6
R7
0
15
PROGRAM
COUNTER (P-!{EGISTER)
0
15
IS-REGISTER I
0 4 8
12 IS
I
H3
I
H5
I
H6
H4
I I
2-4
AT04

Board Checking
Boards inside the central subsystem (boards
that have microprogramming (firmware) capabili-
ties) have built-in self-checking capabilities
and
LEDs (Light-Emitting Diodes) for problem indica-
tion. When the computer is powered up, the
LEDs on the associated boards are illuminated,
and after internal checking is finished, the lights
are
extinguished one after another. Any LED
remaining lit indicates a malfunction on that
board and the CHECK light on the operator's
panel is lit to inform the operator. The operator
thereby identifies the board which is malfunction-
ing. This allows the integrity of the configuration
to be quickly checked, ensuring that all boards
are inserted properly (filling every consecutive
slot) and all terminators have been inserted.
Accessing
and Checking Boards
The operator is required to check and identify
malfunctioning boards inside the central subsys-
tem. The accessing and checking procedures for
both the freestanding (tabletop) and rack-
mounted versions of the central subsystem are as
follows:
Freestanding (Tabletop) Central Subsystem
1. With the power ON, push the right and left
cover release levers. (The release levers are
located on the left and right side of the
base chassis, 6 inches from the front.)
2. Lift the white cover upwards as far as
possible.
(The cover opens far enough to
allow easy access to the boards for viewing
and if necessary, removal.)
3. Check the boards in the cabinet for the one
with the illuminated LED. (The LED is
located in the right front section of the
board and is easily viewed by the operator.)
4. Gently apply pressure to the front of the
lighted board to ensure that it is positioned
and seated properly.
5. Take the applicable action to correct any
malfunctioning board (e.g.. replace, notify
Honeywell FED, etc.)
6. Once the light is extinguished, push the
white cabinet cover down to its original
position, ensuring that it is locked in place.
Rack.Mounted Central Subsystem
I. With the power ON, grasp the white face
plate covering the operator's panel and
CENTRAL PROCESSOR CONTROL PANEL
remove. (The face plate is kept in place by
a series of pressure fittings which are easily
disengaged.)
2.
Once the front of the operator's panel is
exposed (black rectangle with the buttons
and indicators), the next operation is to
unlatch and swing away the operator's
panel for access to the boards.
3.
To remove the operator's panel:
A. Unlock the operator's panel. (Turn the
set screw, on the extreme lower right
section of the operator's panel chassis,
counter-clockwise.
B. Swing the hinged operator's panel to the
left. (Once it is opened the operator has
easy access
to the boards for viewing
and if necessary removal.
4.
Check the boards in the cabinet for the one
with the illuminated LED. (The LED is
located in the right front section of the
board and is easily viewed by the operator.)
5. Gently apply pressure to the front of the
lighted board to ensure that it is positioned
and seated properly.
6. Take the applicable action to correct any
malfunctioning boards (e.g., replace, notify
Honeywell FED, etc.)
7. Once the light is extinguished, swing the
operator's panel closed (to the right) and
turn the locking set screw clockwise.
8.
Reposition the white face plate cover over
the operator's panel and apply pressure to
ensure proper positioning.
PHYSICAL CHARACTERISTICS
A variety of cabinet options is available for the
central subsystem. All offer easy access and
require only front-to-rear airflow for cooling:
Drawer unit 5.25 inches (l3.33cm) high for
standard EIA rack mounting.
60 inch (1 52.40cm) high cabinet for central
subsystem, diskette, and other drawers.
Tabletop configuration- completely enclosed,
completely portable, 5.S inches (13.97 cm)
high, 19.5 inches (49.53 cm) wide, 29.7 inches
(75.43 cm) deep.
2-5 AT04

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SECTION 3
CARD READER DEVICES
This section describes the functions, character-
istics, operating, and maintenance procedures for
the
CRU9l0l, 9102, 9103, and 9104 Card
Readers (see Figure 3-1). The devices are
se1f-
contained tabletop units. utilizing a photoelectric
system for data sensing. They have
the capability
of reading standard 80-column Hollerith or binary
punched cards and 40-or 80-co1umn mark sense
cards at the maximum rate
of 300 or 500 cards
per minute. With Option CRF910
1, the card
readers have the added capability
of reading
51-column cards. The card readers interface with
THROAT
STROBE WHEEL
PICKUP
OUTPUT
DRIVE ROLLER----L.L.....,f-
PINCH ROLLER
CARD FOLLOWER
Figure 3-1. CRU9 101/9103 Card Reader
INPUT HOPPER
EMPTY SWITCH
PICKER ROLLER
INPUT
DRIVE ROLLER
Figure 3·2. Card Reader Mechanical Assembly (Card Path)
AT04
CARD READER DEVICES 3·1

the Level 6 processor by means of a single-board,
multiple device controller (MDC91 0I), a Card
Reader Device-Pac (Card Reader Adapter)
CRM9101 (one per device) and a 50-foot cable.
CARD READER ASSEMBLY
The card reader assembly consists
of an input
module and an output hopper. The input module
contains the input hopper, the picker roller, a
gau~ed throat, a pair of drive rollers, and their
opposing pinch rollers (see Figure 3-2).
Functional Description And Characteristics
As shown in Figure 3-2, cards are moved from
the input hopper by
the picker roller, which is a
friction roller in close contact with the
bottom
card of the stack. This roller is rotated (by motor)
on command by a magnetically operated clutch.
This rotation feeds a card through the throat,
which
is gauged to permit only one card at a time
to pass through. The picker roller continues to
drive the card until its leading edge is sensed, at
which time the card is already captured by the
first drive roller and the accompanying set
of
pinch rollers as shown in Figure 3-2. An inertial
damper on
the picker roller shaft prevents over-
travel
of the picker roller after the captured card
loses contact with it.
When the card enters the transport system,
matched drive rollers maintain positive control
during
the entire reading operation. The read
station. consisting
of a 'line lamp and an array of
photosensors, is located between these two drive
rollers (see Figure 3-2). Timing is taken from
the
first drive roller by means of the strobe wheel (sec
Figure 3-2), and
is therefore, in unison with the
card being driven. The second drive roller also
functions
as a positive drive to deposit the card
into the
output hopper. The cards arc ramped
downward into the
output hopper over a variable
angle
that is a function of the number of cards in
the
output hopper. A hinged follower in the
output hopper guides the buildup of cards in the
hopper and ensures positive stacking action. The
input and output hoppers are both capable of
holding 500 cards.
CARD READER DESIGN
The card reader has been carefully engineered
for simplicity
of design making it a most highly
reliable device with minimum intervention
re-
quired on the part of the operator in the areas of
operation and maintenance.
Detection
of input hopper empty-output
hopper full, failure to pick a card on three
successive tries, and card jam conditions will
cause
motor to stop and the card reader to go
offline. These features are incorporated into the
design
of the device in order to protect the
mechanism.
CARD READER CONFIGURATION
There are four types
of card readers available
at two different card speeds; two
that read cards
at 300 cards per minute and two
that read cards
at 500 cards per minute. Two
of the devices in
each speed category have
the additional capability
of reading mark sense cards. The four types of
card readers configured for Level 6 system use are
shown in Table 3-1. Specifications and prime card
reader characteristics are described in Table 3-2.
CARD READER CAPABILITIES AND DATA
FORMATS
Cards meeting American National Standards
Institute standards
in stock, size, and specifica-
tions
in general, are used with the Level 6 system
card reader. Cards used with the device are:
80-column Hollerith
or binary punched cards,
51-column cards (require Option
CRF910 I), and
40-or 80- column mark sense cards (available only
with the
CRU9102j9104 Card Reader). Cards
may be read in either binary
or ASCII format.
Card Data Formats
Cards may be read in either
of two formats:
binary
or ASCII. A card column has 12-rows for
punched data, which if read in binary mode
is
12-bits. These bits arc placed directly into
memory, right justified as shown in Figure 3-3.
One memory word
is required for each card
column read.
TABLE 3-1. CARD READER READ CAPABILITIES
Speed
Card Reader Cards Per Minute
CRU9101 300 cpm
CRU9102 300 cpm
CRU9103
500 cpm
CRU9104 500 cpm
Punched Cards1 Mark Sense Cards
51-or SO-column
51-or SO-column
51-or SO-column
51-or SO-column
Not Available
40-or SO-column
Not Available
40-or SO-column
ICard readers have the added capability of reading 51-column cards only if option CRF9101 is installed.
CARD READER DEVICES
3-2
AT04

TABLE 3-2. CARD READER SPECIFICATIONS/CHARACTERISTICS
PROGRAMMED OPERATIONS:
READ SPEED:
MEDIUM:
DATA TRANSFER MODE:
DATA RATE:
INPUT AREA:
READING TECHNIQUE
INPUT/OUTPUT HOPPER CAPACITY:
DEVICE PROTECTION:
CARD SPECIFICATION:
PHYSICAL DIMENSIONS:
COLUMN N
Read data from card
300 or 500 cpm (see Table
3-0
Standard SO-51-optional column punched cards
40-or SO-column mark sense cards (CRU9102j9104 device only)
Software selectable: Binary-cell
12 rows input directly to mem-
ory; ASCII-Hardware converts Hollerith to ASCII and inputs
two characters per memory word.
Data timing
is electronically resynchronized for each column
containing data (approximately one msec., per column)
Any main memory area
Photoelectric, column-by-column serially
500 cards
Card feed stop and motor shutdown for
input hopper empty,
output hopper full; failure to pick a card on three successive
tries,
and card jam detection
Standard punched or mark sense cards, 7 3/S in. X 3 1/2 in.
(18,6 cm X
15,9 em), 0.00770 in. (0,01956 cm) thick; cards must
be clean and free from excessive curl
13.5 in. (34.2 em) high; 19.5 in.
(49,5 em) wide;
15 in. (38,1 cm) deep
Weight -35 pounds (15,S kg)
Multiple MDCs can be attached to the Level 6
bus, and multiple like adapters and devices can be
attached to any
MDC. However, no more than
four peripheral Device-Pacs can be attached
to
anyone MDC. Both the MDC91 Oland CRM91 0I
are plug-in printed circuit boards. The
MDC
contains the circuitry necessary to support the
device adapter connections. Circuitry pertinent to
the card reader
is contained in the card reader
adapter. Through its adapter, each attached card
reader presents a
DMA (Direct Memory Access)
interface to the Level 6 processor. See Figure 3-5.
Figure 3-3. Binary Mode Format
COLUMN
In ASCII mode, the 12-bits designated
by each N
~CARD
card column are converted to a single eight-bit
byte and transferred
to the system memory -
two bytes per word; see Figure 3-4. The conver-
sion from Hollerith to ASCII
is performed by the
HOLLERITH
card reader adapter. Table 3-3 shows a compari-
TO
ASCII
CONVERSION
son of the Hollerith and ASCII codes (bit
designations are in ASCII and relate
to the bits on
the system memory
as shown in Table 3-4).
r-------------~
COLUMN
N+1
INTERCONNECTIONS/SYSTEM INTERFACE
The card reader interfaces with the system bus
of the Level 6 processor by means of the MDC
(Multiple Device Controller) and card reader SYSTEM MEMORY
adapter. The
MDC 910I controller is a firmware- Figure 3-4. ASCII Mode
Format
driven microprogrammed peripheral controller.
CARD READER DEVICES 3-3 AT04