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Technical Manual

10/87

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Technlache

Commodore

Schulung

D.utschland

Oler

L•u

Krlmar

1 .

Main Board
Schematic PC 1

2.

Chinon Disk

Manual

3. Keyboard

Manual

Power Supply

4.

Schematic

Inhalt

Diagnostic

5.

Ersatzteil Liste

6.

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UPDATE
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DESCRIPTIOH

RELEASE

DATE

85-28-87

86-18-87
06-38-87
08-11-87

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Jl

Parallel

Port

PC

- I

Connectors

-

25

pin

SUB-D

fernale

10
11
12
13

J2

1

1

3

4

5

6

7

8

9

10
11
12
13

1

2

3

4

5

6
7

8

9

Serial

/STROBE

DA

TAO

DA

TAl
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7

/ACK

BUSY

PE
SLCT

Port

GND

TXD

RXD

RTS

CTS
DSR
GND
DCD
+12V

-12V
NC

NC
NC

14
15
16
17

18
19
20
21

/AUTOFDXT
/ERROR
/INIT
/SLCTIN
GND
GND
GND

GND
22 . GND
23
24
25

-

25

pin

SUB-D

14
15
16
17

18
19
20
21
22
23
24

25

GND

GND

GND

male

GND

GND

GND

GND

NC
NC
DTR
NC

RI

NC
NC

NC

J3

1

2

3

4

5

6

7

8

9

10
11
12

ext.

NC
/RD.l'I.TA
GND
GND
GND

GND
GND
/MOTON
NC
/DRES .
NC
+SV

Floppy

Disk

B: - 23

13
14
15
16
17
18
19
20

21

22
23

1-20

pin

SUB-D

/SIDEl
/WRPRO
/TRACKO
/WRGATE

/WRDATA
/STEP
/DIR

NC
/DRVSEL2
/INDEX

+12V

fernale

-

~~

J4

1

3

s

7

9
11
13
1S
17
19
21
23
2S
27
29
31
33

JS

Keyboard

1

2

3

4

5

6

7

int.

Floppy

GND
key
GND
GND
GND
GND

GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND

KBCLK
KBDATA

/KBRESET

GND
+SV-USER
GND
GND

Disk

pin

- s

keyboard
keyboard

A: - 34

2

4
6

8
10
12
14
16
18·
20
22
24
26
28 /WRPRO
30
32
34

DIN

with

clock

data

pin

NC
NC
NC
/INDEX
/DRVSEL1
NC
NC
/MOTON
/DIR

-

/STEP
/WRDATA
/WRGATE
/TRACKO

/RDATA

/SIDE1

NC

shield

_)

J6

1

2

3

4

J7

1

2

3

Speaker

SPKR
GND
key

/RESET-IN

Power

GND
Led
GND

-

Led

Anode

4

- 3

pin

pin

(+SV)

J8

Mouse

- 9

pin

SUB-D

male

.__/

VERT.

1

2 HORZ.

3 VERT. PULSE 8

HORZ. PULSE 9

4

/BUTTON MIDDLE

s

Power

J9

+SV

1

+SV

2

3

key
+12V

4

I

s

7

J10

1

2

3

4

5

6

-12V
GND
GND

Video
GND

GND
RED
GREEN
BLUE

QUAL.

QUAL.

7

pin

-

RGB/MONO

9

-

6 /BUTTON LEFT

+SV-USER

7

GND

/BUTTON RIGHT

pin

SUB-D

6 INTENSITY

7

8

9

female

MONO

(VIDEO)
HORDRV
VERDRV

Jl1

'-

Composite

1

2

3

BAS
GND

NC

Video

- 3

pin

1-23

Jl2

PC

connector

pin

-

60

cardedge

GND

Bl

RESETDRV

B2

GND

B3
B4

IRQ:G

GND

BS
B6

DRQ2
GND

B7
BB

GND

B9

/IOCHCK
BlO
Bll
Bl2
Bl3

Bl4

Bl5

Bl6
Bl7
Bl8
Bl9
B20
B2l
B22

GND

/BMEMW
/BMEMR
/BIOW
/BIOR
/BDACK3

DRQ3

/BDACKl

DRQl

/BDACKO

BCLK

IRQ7

IRQ6

B23 IRQS
B24
B25
B26
B27
B28
B29

B30

IRQ4

IRQ3 A25

/BDACK2
TC

BALE

GND
BOSC

(CFU

CLOCK)

(14.318MHz)

Al
A2
A3
A4
AS
A6
A7
AB

A9
AlO
All
Al2
Al3
Al4
AlS
Al6
Al7
AlB
Al9

BD7

BD6
BDS
BD4
BD3
BD2
BDl
BDO
IOCHRDY
BAEN
BA19
BAlB
BA17
BA16
BA15
BA14
BA13
BA12
BAll

A20 BAlO
A2l
A22
A23
A24

BA9
BAB
BA7
BA6
BAS

A26
A27
A28
A29
A30

BA4
BA3
BA2
BAl
BAO

1-24

INP

=

INPUT,

AS!C

OUT

MIO

= OUTPUT

-

Mouse

&

Input/Output

PIN#

14
15
16

17

20

21
22

23

6

5

4

3

68

67

66
65

64
63
36

62

60

57
56

61

37

38

39

40

43
42

41

24
25
26

28

8

59

58

55

54

51

50

49

48

47

SIGNAL
BDO

BDl
BD2
BD3
BD4
BD5
BD6
BD7
BAO
BAl
BA2
BA3
BA4
BA5
BA6
BA7

NAME

BAB

BA9
Ml6
/BIORC
/EIOWC

/IOR-DLY
/IOW.,-DLY

BAEN
IRQ2
IRQ3
IRQ4
IRQ6

DRQ2-IN
DRQ2

IRQ6-IN
/BDACK2
/IDIR
/NOVID

/MONO
/RE

COM-INT

/COM-OUT
/CS-LPT
/CS-COM
/CS-FDC
/CS-LDOR
/CS-FDCXTR
/CS-HDC
/CS-RTC

.

SET

DIRECTION

I/0

I/0

I/0

I/0

I/0
I/0
I/0
I/0

INP
INP

INP
INP
INP
INP
INP
INP
INP

INP

INP

INP
INP
OUT
OUT

INP
OUT
OUT
OUT
OUT
INP

OUT

INP
INP

OUT
OUT
INP
INP
INP
INP
OUT
OUT
OUT

OUT
OUT
OUT
OUT

with
with

with

with
with
with
with

with

Schmitt

tristate
tristate
tristate
tristate

tristate

open
with
Schmitt
Schmitt
Schmitt

pullup
pullup
pullup
pullup
pullup
pullup
pullup
pullup

trigger

drain
pullup

trigger
trigger
trigger

with

pullup

_)

1-25

'-·

46
45
44
27

29
30
31

32

33

34

9
11
13

7

12
10

2
53
18
19
52

1

35

----------------------------

.

68

FDC-RESET
DRV-SEL1

DRV-SEL2
/BL
/BM
/BR
HQ-:-I
HP-I
VQ-I
VP-I
RSO
RS1
RS2
SCLK

IOCHRDY
/WAIT
/BDACKO
TEST
GND
GND
GND
VDD
VDD

pins

OUT
OUT
OUT

.

INP
INP
INP
...:NP
INP
INP
INP
INP
INP
INP
INP

OUT

INP
INP
INP

I/0

Schmitt
Schmitt
Schmitt
Schmitt
Schmitt
Schmitt
Schmitt

open

with

Trigger
Trigger
Trigger
Trigger
Trigger
Trigger
Trigger

drain
pu11up

with
with

with
with
with
with
with

pu11up
pu11up
pu11up
pu11up

pu1lup
pu1lup
pu1lup

PIN#

---~--~---------------------

1
2 /BDACKO

3

4
5
6
7 SCLK
8

9
10
11
12
13
14
15
16

17
18
19
20
21
22
23
24
25

SIGNP..L
VDD
BA3

BA2
BA1
BAO

/RE

SET
RSO
/WAIT
RS1

IOCHRDY
RS2
BDO
BD1
BD2
BD3
GND

GND

BD4

BDS

BD6
BD7

/BDACK2
/IDIR

NAME

DIRECTION

INP
INP
INP
INP
INP
INP
INP
INP

INP
INP
OUT
INP
I/0
I/0
I/0

I/0

I/0
I/0
I/0
I/0
INP
OUT

Schmitt
with
open

with
with
with
with

with

with

with
with

trigger
pu11up
drain
pu11up

pullup
pu1lup

pul1up

pu1lup
pullup
pul1up
pullup

_)

1-26

26

27
28
29

30

31

32

33

34

35

36

37

38

39
40

41

42

43 DRQ2-IN

44
45

46

47

48

49

50

51
52
53 TEST
54 /CS-COM
55

56

57
58
59
60 /BIOWC
61
62
63
64
65
66
67
68

/NOVID
/BL
/MONO
/BM

jBR

HQ-I
HP-I
VQ-I
VP-I
VDD
M16

IRQ2
IRQ3
IRQ4
IRQ6
IRQ6-IN
DRQ2

DRV-SEL2
DRV-SEL1
FDC-RESET

jCS-RTC
jCS-HDC

/CS-FDCXTR
/CS-LDOR
/CS-FDC
GND

/CS-LPT
/IOW-DLY
/IOR-DLY
jCOM-OUT
COM-INT

BAEN

/BIORC

BA9
BA8
BA?

BA6

BA5
BA4

OUT

INP
INP
INP
INP
INP
INP
INP
INP

INP
OUT
OUT
OUT
OUT

INP
OUT

INP
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT

INP
OUT
OUT
OUT
OUT
INP
INP
INP
INP
INP
INP
INP
INP
INP

INP
INP

open

Schmitt
with
schmitt
Schmitt

Schmitt
Schmitt
Schmi
Schmitt

Shmitt
tristate
tristate
tristate
tristate

tristate

Schmitt
Schmitt

drain

pullup

tt

with

trigger
trigger

trigger
trigger
trigger
trig.ger
trigger

trigger

trigger
trigger

pullup
with

with
with
with
with
with
with

pullup
pullup

pullup
pullup
pullup
pullup
pullup

-

)

1-27

Map

1 )

of

I/O's

---------------

MIO -Mouse

and

I/0

Chip

..._~/

/CS-COM

/CS-LPT

/CS-FDC

/CS-LDOR 3F2
/CS-FDCXTR
/CS-RTC
/CS-HDC
/CS-RMODE
/CS-WMODE
/CS-RHCVC
/CS-RDUMMY
/CS-WDUM!'1Y

/CS-RSTAT
/CS-WCONT ;

2)

Register

a)

MODE-REGISTER

descrip~ion

2F8

3F8
278
378
3BC
3F4

3F6
2CO
320

230
230
23C
23D
23D
23E
23E

-

-

-

2F?

3FF
27B
27B
3BF
3FS

2CF
323

se~ial

se~ial

inte~face

interface

parallel

pa~allel

parallel
floppy
floppy
floppy
real
hard

read
write
read
read

write

read

write

disk
drive ·select

disk
time
disk

mode

mode
horizontal
dummy

dummy

mause

mause

interface
interface

·

inte~face

~ontroller

extra

clock
Controller
register

register

or

register

register

status

command

register

register

vertical

register

register

count

register

I/O~address:

access-mode:
all

bits

read/write

BIT

are

230

7 6

video

write

read

Bit
the

monjcol

0

to

video,

off/an

6

can

on

DIP -switch

230
I/0

cleared

clock
off/on

offjon

be

read

hex
readjwrite

to

0

n.u.
n.u.

read

bit

back,
7

by

applying

5 4

mause

off/an

off/an

on

write

holds

the

/RESET

3

serial
COMl
COMl

bit

content

= L

2

pa~allel

COM~

COM(!!

7

enables/disables

of

the

LPTl
LPTl

video

1

0

LPTO
LPTO

1-28

BIT

0

1

2

3
4

5

6 = 0

7

LPT

0

0

1
1

COM

0
0

l

1

#

= 0

1

= 1

write

write

read
read

1 LPT

1

" COM

0

1

0!

1

function

select
select
select
select

disable

enable

not
RTC
RTC

0:

1:

0:

1:

0

0

1

0

1

0

LPT

interface

LPT

interface

COM

interface

COM

interface

rnouse

mouse

usec:!

disabled

enabled
video
video

disabled
enabled

monochrome

color

LPT

video

chip

none
3BC
378

278

COM

3BF

-

37B

-

- 27B

chip

none

2F8

-

2FF

3F8

-

3FF

none

interface

interface

video

selected

select

hex
hex
hex

select

hex
hex

bit
bit
bit
bit

LPT 0
LPT 1
COM
COM

and

and

selected

0
1

IRQ2

IRQ2

b)

MODS~-COKTROL-R2GISTER

I/0-address:

access-rnode:

all
that
the

*)

bits

low

the

is,

rnouse

are
after

nibble

23E

hex

I/0

write

cleared

/RESET

of

the

interface

to

0

by

the

rnouse

horizontal

rnust

applying

interrupt

be

enabled

counter

/RESET

is

is

also

= L

enabled

selected
(see

Bit

and

4)

_)

1-29

•'

BIT

#

0

1

2
3

4

=
=

5 = 0

6

=
=

7

=

=

c)

MOUSE-STATUS-REGISTER

0

1

1

0

1

0

1

function

used

not
not

used

not

used

not

used
mouse
mouse

select
select
select
select
enable
the

falling

disable

interrupt
int.errupt

low

high

nibble
nib!::>le

horizontal
vert:ical
all

mause

edge

mouse

all

enabled
disabled

(bit
(bit

counter

counter

inputs

clears

inputs

*)
*)

0

4

mause

3)

7)

counters

I/0-address:

access-mode:
BIT

#

0

l

2
3

4

5

6
7

*)

The

mause

always
always

always
always

always
always
always

23E

I/0

function

IRQ2

inverted,

interface

hex
read

1
1 -

1

0

0
0

0

MOUSE-CONTROL-REGISTER

bit

3

is

always

1

~

sguarewave

has

to

be

bit

if

MOUSE-CONTROL-REGISTER

4

has

32.8

enabled,

to

be

msec

0

*)

bit

4

is

1

_)

1-30

d)

HORIZONTAL-V2RTICAL-COUNTER

RtGISTER

I/0-address:

access-mode:
BIT

0

1

2

3

4

5

6

7

*)

e)

DUMMY

/0-addres

'I

access-mode:

#

0

=

1

=

0

1

1

middle
middle

bit

=
=

= 0

see

REGISTER

s:

23C

I/0

function
bit
bit
bit
bit

0

1

2

3

always
left
left

right
right

5

23D

I

/0

hex
read

or

or
or
or

0

button
button
button

button
button
button

and

hex
r_eadjwri

bit
bit

b i
bit

6

4

5

t-

6

7

d

depressed

Gep~

depressed
released

of

the

mouse

of
of
of
of

mouse
mouse
mouse

counter
counter
counter

counter

depressed

·~

e;:p-

e,;;

~ssed

o;

e.Q

{.;<~>~--<

l-(.(u:

....

J;.

/ (

MOUSE-CONTROL-REGISTER

te

*)

*)

*)
*)

The
the

MicroSoft

mouse

interface

driver

uses

this

registe=

to

recognize

1-31

Anschluß

von

Video-Monitoren

an

PC

1:

1.

2.

PC 1 Im

Monochrom-Modus

(MOA,

MGA)

DIP-Schalter 3 ist ON

An den Video RGB/Mono-Anschluß (9-Pin SUB-D Buchse)
muß ein TTL -Monochrom-Monitor (H-Sync
V-Sync

Der

=50

Composlte-VIdeo-Anschluß

diesem

PC 1 Im

Hz) angeschlossen we-rden.

Modus

Farb-Modus

nicht

benutzbar!

(CGA)

(Cinch-Buchse)

= 18.4 kHz,

Ist

ln

DIP-Schalter 3 ist OFF

a)

An den Video RGB/Mono-Anschluß muß ein TTL RGBI­Farbmonitor (H-Sync

=

15.6

kHz, V-Sync =

60

Hz)

angeschlossen werden.

b)

An den Composite-Video-Anschluß kann ein
Monochrom-Monitor angeschlossen werden (Farben

werden als Graustufen wiedergegeben).

Schalter

1

OFF OFF

OFF ON
ON
ON

2 3

OFF
ON

ON
OFF

4

OFF
OFF
ON

OFF

Bedeutung

einfarbige Anzeige
Farbe, 40 Zeichen/Zeile
Farbe, 80 Zeichen/Zeile
kein Videoteil (für Wartung)
internes Videoteil einfarbig
internes Videoteil Farbe
internes Videoteil abgeschaltet
internes

Videoteil

eingeschaltet

> 1-32

2.

ChinOn

Service

;

Disk

Manuel

Location

of

Electronical

Parts

rpc-

FJ)b

CH/IvO!V F

SOZ-L

( JJou.Sie

C20

@

~~

JJirut"t{J)

JJRIYE

8

IDN-

N N N

cra:a:

e~

0

~~

UJ

u

"'

"'

u -

0

RM2

"'

u

Q04

0

0

J2

0

0

2-47

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1.2

1.3

Specification

DIAGNOSTIC

PRODUCTION-DIAGNOSTIC PC1

BURN-IN

SYSTEM-DIAGNOSTIC PC1

PCl

COMMODORE

PC1

BSW
Page

5-AUG-87

1

5-1

Diagnostic

PRODUCTION

~

-----------------------------------------------------------------------------

Specification

1.1

PRODUCTION~DIAGNOSTIC

COMMODORE

PC1

.

BSW
Page

5-AUG-36

These

1.1.1

1.1.

1.1.

1.1.

1.1.

1.1.

1.1.

1.1.

1.1.

DIAGNOSTIC

LSI

Chips

Memory

2

Keyboard

3

Disk-drive

4

Parallel

5

6

Serial
Mouse

7

Expansion

8

Video

9

checks

Section

Connector

Interface

Interface

Interface

Interface

Slot

Section

following

subsystems

of

PC1:

/

5-2

Diignos~ic

Specification

COMMODORE

PCl

PRODUCTION

-----------------------------------------------------------------------------

For

-

-

testing

jumper

and

mouse

jureper

for

for

printer,

printer

port

acia

port

acia

and

mouse

P 1 ­P 2 -

PlO
Pll
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P 6 - M6

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P 8 - Ml

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-

20

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P15

P16
Pl7
Pl4

M4

M5

M9
M2

two

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BSW

Page

5-AUG-86

J

required.

Preparation

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PCl

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in

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up

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tch

on

results

code,

status

be

the

diagnostic

of

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list.

for

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version,

will

headed

configuration

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disk

on

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(MultiSync)

will

be

subsystem,

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the
analysis.

into
into

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be

the

error
and

under

error

drive
drive

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test

displayed

code

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status

and

in

then

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can

A

(5.25")

B

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the

result,

when
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following

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the
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be

noted

port

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error

faulty

the

specified

as

format:

status)
occured.

component

essential

in

a

short

the

5-3

Diagnostic
PRODUCTION

Specification

COMMODORE

PCl

BSW
Page

5-AUG-86

4

Testroutines

1.

1.

1 LS I

-

-

- MIO

-

1. 1.

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-

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check
check

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different

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comes

without

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Address
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bus

test

memory ·refresh

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during

during

printer
acia

mouse

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po

wer-up

po

wer-up

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base

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8087

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test

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1.1.3

1.1.4

Keyboard

-

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-

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and

-

-

-

-

testing

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keyboard
correct

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and

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disk

drive

formatted

system

random

(prepared

test

function

transfer

interface

disks

seek

test

disks

(formatted

a

are

required.

required)

disks

3.5"-Flop

required)

py

d:-i

ve (

;..:.Cl

O)

Diagnostic

PRODUCTION

Specification

COMMODORE

PCl

BSW
Page

5-AUG-86

5

1.1.5

1.1.

6

Parallel
For

testing

- R/W

-

Check
Check

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For

testing

-

Check

-

Check
Check

Mouse
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to

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handshake
printer

Interface

acia
handshake
acia

Interface

maus~

mause

printer

of

printer

acia

lines
interrupt

nouse

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port

port

lines

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port

at

lines

port

wifh

special

data

special
1200Bd

special

printer

register

jumper

and

jumper

jumper

lS

9600Bd

port

is

required.

lS

required.

lines

required.

connected

1.1.8

1.1.9

Expansion
For

testing

is

required.

-

Check

-

Check

Video
For

and

-

Video

-

Test

-

Test

Section

test
one

Slot

address
status

video

COLOR
memory

pictures

pictures

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and

and

section

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for

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data

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special

lines

lines

B/W

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mode:

HW

(PCl

are

Attributes

Character

Square
Attributes

Attributes
Page
320x200

640x200
640x200
640x200

Expansion

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required.

0,2,5,7

Comp.-input)

set

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40
80

16

Colors

1st

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2nd

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B/W

Dum~y)

(80x25)

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Col/Line
Col/Line

set
set

5-5

Diagnostic
PRODUCTION

Specification

COMMODORE

PCl

BSW

Page

5-.hUG-86

5

------~--------------------------------------------------------------------~-

\._.'

Diskette/Platte,
Namen

T-PC1

Verzeichnis

COM11AND

T-RAM640

T-RAl1512

T-KEYB

T-FDC
DEBUG
AUTOEXEC

DISKCOPY

T-?R
T-ACIA
T-MIO
T-HOUSE
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T-COLOR
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PClDIAG

16

v

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COl-1
COM
COM
COM
COM
EXE
BAT
EXE
C0!1
COM
COM
COM
EXE
EXE
DOC
DOC

Datei(en}

Laufwerk

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DATE:

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