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Supplies - Honeywell LEVEL 6 Operation Manual

Series 60 computer system.
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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
controller
3
(see Figure 1-2).
Honeywell's Level 6 minicomputer systems
(see Figure 1-1) have been carefully engineered
PERIPHERAL
INTERF ACES
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 0 1
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 combination
2
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
3 Mult iple 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
INTRODI JCTION
1-1

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