Texas Instruments PHP1250 User manual

Texas Instruments Home Computer

Disk

Memory

Drive

Model No.

P1250

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1039353·'

FEDERAL COMMUNICATIONS COMMISSION REQUIREMENTS

CONCERNING RADIO FREQUENCY INTERFERENCE

The

Texas

Instruments

Home

Computer

and

peripherals

generate

and

use

radio

frequency

(RF)

energy.

not

Installed

and

used

properly

(as

outlined

the

tnstructlons

provided

Texas

Instruments),

this

eqUipment

may

cause

Interference

to radIo

and

television

reception.

This

eqUipment

has

been

type·

tested

and

found

comply

with

the

limits

for a

Class

compullng

device

accordance

with

the

specifications

Subparl

Part

FCC

Rules.

These

rules

are

designed

provide

reasonable

protection

against

radio

and

television

Interference

In a

residential

Installation.

However,

there

guarantee

that

Interference

will

not

occur

In a

particular

Installallon.

this

equipment

does

cause

Interference

radio

television

reception

(which

you

can

delermlne

turntng

the

equipment

off

and

on),

try

correct

the

Interference

one

the

followtng

measures:

•

Reorient

the

receiving

antenna

(that

Is,

the

antenna

for

the

radio

teleVision

that

Is "receiVing"

the

Interference).

•

Change

the

position

the

computer

with

respect

the

radio

televlston

eqUipment

that

receiving

Interference.

•

Plug

the

computer

Into a

different

wall

outlet

that

the

computer

and

the

equipment

receiving

Interference

are

different

branch

circuit".

these

measures

not

eliminate

the

Interference.

please

consult

your

dealer

experienced

radio/television

tpchnl"lan

for

addillonal

suggestions,

Also.

the

Federal

Communications

Commission

has

prepared

ahelpful booklet,

"How

to Identify

and

Resolve Radlo·TV

Interference

Problems."

This

booklet Is

available

from

The

Government

Printing

Office

Washington,

20402

Please

specify

Stock

Number

004·000-00345-4

when

ordering

copies.

WARNING: ThiS

eqUipment

has

been

certified to

comply

with

the

limits

for a

Class

computing

device,

pursuant

Subpart

Jof

Part

FCC Rules.

Only

peripherals

(computer

Input/output

devtces.

terminals.

printers,

etc.) certified to

comply

with

the

Class

limits

may

attached

this

computer,

Operation

with

non.certlfied

peripherals

Is likely to

result

Interference

radio

and

reception.

Texas Instruments Home Computer

Disk

Memory

Drive

Model No. PHP1250

00000000

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...

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TItUAfr

...

,..

IMPORTANT

Record

the

serial

number

from

the

Disk

Memory

Drive

and

the

purchase

date

the

space

below.

The

serial

number

identified

the

words

"SERIAL

....

Always

reference

thl5

Infonnatlon

any

correspondence.

PHP1250

Model No. Serle1No.

IVB2,

Tex

••

Instrumant,

Incorporated

INTRODUCTION

The

Texas

Instruments

Disk

Memory

Drive Is a

high-speed.

high-volume

memory

device. Utilizing a

51,4

Inch

diskette".

the

disk

drive

can

rapidly

locate.

read

from.

and

write

any

position

file

the

diskette.

The

disk

drive

spins

the

diskette

constant

speed

and.

under

the

direction

the

Disk Drive

Controller-.

places

the

magnetic

read/write

head

the

desired

position

the

diskette.

This

manual

contains

only

the

set-up.

service.

and

warranty

Information

for

the

Disk

Memory Drive.

For

instructions

regarding

setup.

test.

and

operation

the

complete

disk

system.

please

refer

the

Disk

Memory

System

manual

included

with

the

Disk

Drive Controller.

Depending

the

type

disk

drive

you

are

using.

two

possible

configurations

exist

for

setting

the

system.

YOII

"an

have

one

internal

disk

drive

that

fits

inside

the

Peripheral

Expansion

System

and

two

external

drives. Or.

you

can

have

three

external

drives

connected

the

system.

Disk

Memory

Drive

SET·UP

INSTRUCTIONS

Once

you've

unpacked

the

unit,

you're

ready

Insert

the

Controller

Card

Into

the

peripheral

system,

(Save

the

packing

material

for

storing

transporting

the

unit.)

The

steps

Involved In

Inserting

and

checking

the

operation

the

Disk Drive Controller

Card,

Internal

disk

drive,

and

external

disk

drives

are

Inclul1el1 In

this

section.

Ph::alS"

r"au

this

material

completely

before

proceeding.

CAUTION

Electronic

components

can

damaged

static

electricity

discharges.

avoid

damage,

not

touch

the

connector

contacts.

The

Peripheral

Expansion

System

unit

has

eight

slots

Into

which

accessory

cards

can

Imlerted.

The

Peripheral

Expansion

Card

must

occupy

slot

number

(For

information

setting

the

peripheral

system,

refer

the

Peripheral

Expansion

System

owner's

manual.)

you

have

Internal

Disk

Memory

Drive (Model PHP1250)

the

Peripheral

Expansion

Systf'm

unit.

the

Disk Drive

Controller

Card

must

occupy

slot

number

Other

cards

can

Inserted

any

the

remaining

slots.

DI.1t

Drive

Information

comes

from

the

factory, a

disk

drive

ready

run

the

only

drive

your

system,

you

are

using

than

one

drive.

complete

the

folloWing

steps

for all

but

one

the

drives,

The

last

external

drive

should

connected

without

being

altered.

THE

FOLLOWING ONLY IF YOU

ARE

USING TWO OR THREE DRIVESI

WARNING: ALL POWER CORDS MUST

DISCONNECTED FROM

THE

POWER

OUTLETS DURING

THE

FOLLOWING PROCEDUREI

remove

the

"over.

one

the

folloWing.

•

Internal

Disk

Drive

the

side

the

disk

drive

is a

tab

located

near

the

back

the

drive.

the

back

the

drive

Is ahole

designed

help

11ft

the

tab

remove

the

disk

drive

cover.

Remove

the

cover

llftlng

the

tab

and

then

sliding

out

the

drive's

contents

•

External

Disk

Drive

-On all

but

one

your

drives.

use

aPhl11lps·head

screwdriver

remove

the

six

screws

that

hold

the

cover. Lift

the

cover

off.

3. Locate

the

main

prtnted

clrcull

board.

It,

locate

the

termination

resistor

pack.

has

leads

and

looks llke

Integrated

cirCUit. (Note:

The

main

boards

look

slightly

different

the

Internal

and

external

drives.

but

the

pack

Is In

the

same

place

each.)

careful

not

disturb

the

strapping

pack

(or

shunt

pack.

which

also

removable)

located

very

near

the

resistor

pack.

-J

'---

SHUNT

PACK

TERMINATION

RESISTOR

PACK

Remove

the

termination

resistor

pack

prying

each

end

slightly

with

small

screwdriver

and

then

llftIng

out.

Pull

straight

up.

Save

the

single

drive

termination

resistor

pack

that

you

can

reinsert

the

drive

ever

used

again

single

last

disk

drive. If

you

replace

the

pack.

note

that

the

socket

for

the

resistor

pack

has

holes

than

there

are

pins

the

pack,

the

pack

should

installed

toward

the

outer

edge

the

circuit

board,

leaVing

the

unused

holes

toward

the

center

the

board.

6. Replace

the

cover

the

drive,

aligning

and

tightening

the

screws

carefully.

NOT OPERATE

ANY

UNIT WITHOUT REPLACING

THE

COVER.

Disk

Memory

Drive

The

procedure

for

setting

the

Disk

Memory

System

depends

the

type

disk

drivels)

you

have.

•

you

have

Internal

drive

only,

see

"Connecting

the

Controller

Card

Internal

Disk

Drive."

•If

you

are

using

Internal

disk

drive

with

one

external

disk

drives,

the

directions

"Connecting

the

Controller

Card

Both

Internal

and

External

Disk

Drives."

•If

you

have

one

external

drives

and

Internal

drive, follow

the

directions

"Connectlng

the

Controller

Card

External

Disk

Drives."

ConnectiD,

the

Controller Card

Internal

DI.k

Drive.

Turn

off

the

computer

console

and

allll.ttached

devlce5.

2. WARNING: TO AVOID DAMAGING ACCESSORY CARDS. WAIT TWO

(2)

MINUTES

AFTER TURNING

OFF

THE

UNIT FOR

THE

POWER

DISCHARGE BEFORE

PROCEEDING.

Remove

the

top

from

the

peripheral

system

lifting

the

back

edge

the

top

and

pull!ng

up.

Carefully

place

the

Peripheral

Expansion

System

Its left

side

(the

disk

drive

compartment

now

should

the

top).

r:;:.-;=::::

::::

==:;;,,::::

...

=;;;.::71\1

•

IT·~_-----'·=j

Two

screws

which

support

thc

front

casing

the

disk

drive

compartment

are

located

the

top

and

bottom

the

peripheral

system.

Remove

these

screws

and

place

the

peripheral

system

Its

proper

upright

position.

Remove

the

front

casing

from

the

opening

the

disk

drive

compartment.

7. A

three-wire

power

cord

Is Inside

the

compartment.

One

end

this

cord

connected

the

peripheral

system.

Plug

the

loose

end

the

cord

Into

the

four-pin

connector

the

back

the

disk

drive.

POWER

CONNECTOR

eDGE

CONNeCTOR

The

connector

cable

Included

with

the

Internal

disk

drive

designed

connect

the

drive

thc

Controller

Card.

Insert

the

connector

cable

through

the

opening

the

back

the

disk

drive

compartment

that

the

end

with

the

edge

connector

Is Inside

the

compartment

and

the

end

with

the

34-pln

connector

slot

number

9. Next.

note

that

the

label Identifying

the

Disk Drive

Controller

Card

the

top

the

card.

the

front

the

card

Indicator light.

The

light

can

seen

from

the

front

the

peripheral

system

unit

when

the

card

IS active. Huld

lhe

Disk Drive

Controller

Card

that

the

Indicator Ught faces

the

front

the

peripheral

system

and

the

connector

tab

faces

the

back

the

unit.

CONNECTOR

TAB

lUI!

• 0

10. Carefully aUgn

the

card

with

slot

number

with

the

connector

tab

faCing

the

back

the

peripheral

system.

SUde

the

card

halfway

down

Into

the

slot.

11.

Attach

the

34-pln

connector

the

disk drive

cable

the

34-pin

connector

the

side

the tab

the

Controller Card.

12.

Firmly

press

the

Controller

Card

Into

the

slot

until

the

connection

made.

Then

take

any

slack

the

cable

pulUng

the

excess

through

the

opening

Into

the

disk

drive

compartment.

13. Attach

the

edge

connector

the

disk

drive

cable

the

34-pln

connector

tab

the

back

the

disk

drive.

14. Slide

the

disk

drive

into

the

compartment

that

the

red

Indicator Ught Is In

the

top

left-hand corner. Note: Align

the

screw

openings

the

top

and

bottom

the

peripheral

system

with

the

holes In

the

disk drive. If

they

not

line up.

the

drive

may

upside

down.

r--"'7f01roJroI7Il7T::lr::'l":V--"""

F..~,

;

...

;,,==~;;:;;;:~~~s::~2~-

SCREW

OPENINQS

f-t+----+-INOICATOR

LIGHT

15. Again. carefully place

the

peripheral

system

Its left side. Two

extra

screws

are

Included

with

the

Internal

disk

drive.

These

screws

are

used

secure

the

drive In

the

peripheral

system.

Insert

two

screws

into

the

openings

the

bottom

the

peripheral

system.

After

they

are

secure.

place

the

peripheral

system

Its

proper

upright

position.

and

insert

the

other

two

screws

the

openings

the

top

the

system.

16. Replace

the

top

the

peripheral

system

sliding

the

front

edge

under

the

extension

the

front

the

unit.

Firmly

press

down

the

back

edge

the

top.

nul

run

the

system

without

thc

top

[n place:

the

top

en9ures

proper

ventilation.

Note:

the

top

does

not

fit properly.

remove

the

card

and

realign It in

the

slot.

remembering

press

down

firmly

until

the

connection

made.

Disk

Memory

Drive

Connecting

the

Controller Card

Both

Internal

and

External

Drives

1. If

your

disk

system

tncludes

both

Internal

disk

drive

(Model

PHPl2501

and

one

external

drives

(Model

PHP1850l,

first

remove

the

termination

pack

from

the

internal

drive

and

install

the

Internal

drive

and

the

Controller

Card,

following

the

Instructions

the

preceding

section.

2. Use

the

special

cable

included

with

the

ControlIer

Card

connect

the

external

drlve(s)

your

system.

Connect

one

end

the

cable

the

connector

tab

that

extends

from

the

back

the

peripheral

system,

making

sure

that

the

pins

the

tab

align

will,

the

holes

the

connector

cable.

Attach

the

adapter

board

Included

with

the

ControlIer

Card

the

other

end

the

cable.

Each

external

drive

has

attached

cable

with

two

connector,..

one

the

end

the

cable

and

one

near

the

middle

the

cable.

Attach

the

end

the

disk

drive

cable

the

adapter

board

the

Controller's

cable.

5. If

you

are

using

two

external

drives,

insert

adapter

board

into

the

connector

the

middle

the

first

disk

drive's

cable.

Connect

the

end

the

second

external

drive's

cable

Into

the

adapter

board

the

first

external

drive's

cable.

All

but

the

last

disk

drive

(If

you

are

using

than

one

drive)

should

have

their

termination

packs

removed.

The

drive

farthest

from

the

controlIer

should

the

one

that

not

modified.

Note:

may

necessary

rotate

the

adapter

board

order

insert

It.

goes

easily

you

have

positioned

correclly.

SPECIAL

CABLE-'~~;;;W~2~!Jt~~

-=._~_.

•

~~~

- -

-_.

-.~

~~._~

~~~

.,.

-.oJ'-==

The

internal

drive

the

Peripheral

Expansion

System

considered

DSK1.

The

first

external

drive,

the

one

connected

directly

the

ControlIer

Card,

is DSK2.

The

third

disk

drive

(farthest

from

the

Controller) Is DSK3.

The

labels

provided

with

your

drlve(s)

can

used

identify

each

drive.

Connecting

the

Controller Card

Ezternal

Disk

Drives

:'-~~

r--

--.

1'--

IIU·

II'

,•••

CONNECTOR

TAB

Turn

off

the

computer

console

and

all

attached

devices.

2. WARNING: TO AVOID DAMAGING ACCESSORY CARDS, WAIT

TWO

(2)

MINUTES

AFTER

TURNING

OFF

THE

UNIT FOR

THE

POWER

DISCHARGE BEFORE

PROCEEDING.

Remove

the

top

from

the

peripheral

system

unit

Uftlng

the

back

edge

the

top

and

pulUng

up.

The

labelldentlfylng

the

Controller

Card

the

top

the

card.

the

front

the

card

Indicator

Ught.

Hold

the

Disk

Drive

Controller

Card

that

the

Indicator

llght

faces

the

front

the

peripheral

system

unit

and

the

connector

tab

faces

the

back

the

unit.

5. Carefully

align

thc

card

with

thc

desired

slot

that

the

connector

tab

face

the

back

the

peripheral

system;

firmly

press

the

card

down

Into

the

slot

untll

connection

has

been

made.

Replace

the

top

peripheral

system

sUdlng

the

front

edge

under

the

extension

the

front

the

unit.

Firmly

press

down

the

back

edge

the

top. Do

not

run

the

system

without

the

top

In place;

the

top

ensures

proper

ventilation.

Note:

the

top

does

not

fit

properly,

remove

the

card

and

realign

the

slot,

pressing

down

firmly

untll

the

connection

made.

Each

external

drive

has

attached

cable

with

two

connectors,

one

the

end

the

cable

and

one

near

the

middle

the

cable.

Attach

the

end

the

cable

the

disk

drive to

the

connector

tab

the

Controller

Card.

you

are

using

than

one

external

drive,

Insert

adapter

board

Into

the

middle

connector

the

first

and

second

disk

drive's

cable.

Note:

may

necessary

rotate

the

adapter

board

order

Insert

It. It

goe

easlly

you

have

positioned

correctly.

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