Radio Shack LK-1161 Spezifikationen PDF herunterladen (Seite 2)

~FebrUFry,

1981

IS_s_ue_9,

C=-O.:.M:..:.:.:...P.:.UT~E=_!

129

(580P G

Andover

Ave.,

Montreal,

Quebec

H4T

1H4~

Canada,

telephone

(514) 735-1182) has several

mOdtls from $225-$500;

The

Computerist

(34

Che

msford

St.,

Chelmsford,

01824 (617)

256- 649) has

one

for $245.

!You

want

hard

copy? A

popular

hard-copy out-

puaeVice

a teletype,

known

several generations

h m radio

operators

as a

TTY.

KIM,

AIM,

and

SY have built-in

monitor

routines for

TTY's

and

othe serial devices. (I get

tired

writing

KIM,

,or

SYM.

need

a symbol to refer to all

thre~

systems.

Try

KAS.

we could

add

OSI,

anot~er

popular

6502 system,

and

call it

KAOS,

pro-

nouqced

"Chaos.")

1'\

used

TTY

sells for $500

up,

and

will furnish

read4ble,

dependabk,

noisy, all-caps, 1

to-baud

out-

put.

l'\

TTY

may

also have a

paper

tape

reader

and

unch

for

mass

storage,

but

don't

bother

with it.

The

AOS

cassette

tape

storage

quieter,

relia Ie,

and

faster.

The

graphics capabilities

TTY

are very limited.

ther

printers

are

available with parallel

serial

I/O,

grpahics capabilities,

upper

and

lower

case,

and

better

quality.

course, they usual-

co~t

more.

Among

them

are

Centronics

terminals,

the

'IJexas

Instruments

Silent 700, Decwriters,

Diab~o,

Qume,

etc.

the

great

advantage

a serial

terminal

that

it wo

directly with

the

KAOS

ROM's;

RAM

required

run

it,

and

software

purchased

for

any

of the

KAOS

systems will

run

as a

"black

box"

--just

hook

(which brings to

mind

the simplicity

this

operation

for a serial device: only

three

wires

are

needed.

Hook

signal

in,

signal

out,

and

ground,

and

you're

ready to go.)

Hard

copy

output

is a real plus,

but

there

something

anomalous

paying

three

four times

much

for a

printer

as for the

computer

that

drives

it.

Anomalous

may

be,

but

a $3000 Diablo dances

nicely to the

tune

played by a

KIM

that

only cost

$245 four years ago

when

it was shiny

and

new.

A video

terminal

such

as the Lear-Siegler

ADM-3

has

all the serial

advantages

TTY,

but

hard

copy.

Telecommunications,

Alexandria, V A

22303, (703) 683-4019, sells rebuilt

Datapoint

video

terminals for $500

up.

New terminals

can

be found

from

$750

to $3000.

But

why

buy

a $750

terminal

for a $180

CPU?

You

can

buy

a complete

PET

OSI

computer

for not

much

more!

The

answer,

course, lies in your purpose.

you're

going to use

the

computer

occasionally, for no

than

few

hours

a day,

then

limited line

length

and

readable

quality

may

all you need.

the

other

hand,

you're

going

do extensive word

processing

software development,

and

will be look-

ing

the

display for

hours

a time, you

may

willing to

pay

a lot more for a

sharper,

cleaner

display, with

80-character

lines.

The

Seawell little

buffered

mother

The

LITTLE

BUFFERED MOTHER

pro ides

the

most general possible

exp

nsion: filling

the first 8K of

the memory map with

RAM

and

buff ring

all

of the E-connector lines

allo

S straightforward expansion

locks

to 65K. The provision

for bank select line allows for ex-

pan

ion

beyond 65K and/or the ability

to s itch devices

and out of the

ory map, The four board slots

t e

LITTLE

BUFFERED MOTHER

are~uffiCient

to expand with

16K

RAM

boa ds

(SEA-16

or equivalent) or

(SEA·PROMMER

II)

to 65K.

The

connector

the back of the

L1~LE

BUFFERED MOTHER allows

furt er expansion of the motherboard

(SE

·MAXI-MOTHER). The back con-

nec or can also be used

a board

slot.

T/le whole system can

run

from a regulated supply by shorting

out the onboard regulators.

The

LITTLE

BUFFERED

MOTHER

also

has

three

LEOs

indicating power,

IRQ,

and

NMI.

KIM

keyboardlTTY switch

also provided.

Litlle

Buffered

Mother

wl4K

RAM

_ $199

wlo

RAM

$159

RAM

Kit.

. $ 50

• Connects

directly

the KIM, SYM or AIM

• 4

expansion slots

• Buffers for all signals

• 4K RAM

board

• Application and expansion connectors available

• + 5V. +

12V,

and

12V

regulators

• Bank Select signal

• Full decoding for the

KIM·!

• Power, NMI and IRO status LEOs

• Provision for additional mDtherboards

SEA-I:.

SEA-l~

...

SEA-qMOS

SEA-qVT

SEA-qEBUG.

SEA-9

DCl8

SEA-I$DC

SEA-L~M

Seawen

products

are

'also available from

Excert

Incorporated

and

Computers

(

SEAWELL~

BOX

30505,

SEATTLE,

98103

206/782-

9480

SINGLE BOARD DEVELOPMENT SYSTEM

$595

16K RAM BOARD , , " , $280

. . DAY/DATE CLOCK. 8 2K EPROM SOCKETS

CMOS RAM $595

. 7K NMOS RAM.

CMOS RAM $395

. .

, . . . . . WITHOUT RAM $289

. . . . . CVT

POWER

SUPPLY KIT...

, TRANSFORMER

ONLY

HARDWARE BREAKPOINTS AND

TRIGGERS,

. . . $310

. DOUBLE DENSITY, DOUBLE SIDED DISK CONTROLLER

(w/DOS

for

SEA-I)........,......

$425

8 SERIAL PORTS WITH LOCAL PROCESSOR

& DUAL PORT RAM $595

UTILE

BUFFERED MOTHER FOR KIM. SYM.

AIM.

w/4K RAM $199

...

....

. .

....

...

WITHOUT RAM $159

RAM

KIT·

ADDITIONAL 4K

RAM & BUFFER FOR

LBMIB,.

$ 50

SEA'ijXI

MOTHER

10-SLOT

MOTHERBOARD..

,.........

$135

SEA

ICRO MOTHER 4-SLOT

MOTHERBOARD.

. . .

$ 70

SEAP

OB ,

FULLY-BUFFERED

6522s.

$260

SEA-P OMMER

EPROM PROGRAMMER , $299

SEA-P

OTO..

COMPLETELY DECODED PROTOTYPING BOARD POPULATED $ 99

ALL

fARDS

ASSEMBLED'

...

. . "

,......

....

...

BLANK

$ 49

P Y UPS GROUND FREIGHT ON ALL PREPAID

ORDER~

PRICES AND SPECIFICATIONS

ARE

o.IBJECT

CHANGE

WITHOUT

NOTICE. WASHINGTON RESIDENTS

ADD

5.3%

SALE TAX. MASTERCHARGEIVISA ACCEPTED

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