Olivetti M250 User Manual

M250 - M250 E

CHARACTERISTICS

Microproc esso r 80286 16-BI T
Clock 8 MHz/12 MHz (M250 E)
RAM access t im e 120 ns/80 ns (M2 5 0 E)
Wait st ates 0
Maximum/minim um RAM

capacity
Memory expan sion KI T for

M250 E

BIOS RAM 64 KB
Bus AT339 compatible
Monitor VGA compatible
Magnetic unit s 2 3.5" uFD/1 HD/1 STC
SHADOW memory SI-128 KB (E0000-F FFFF )
Hard disk adapter AT/RLL on system board
BUS ADAPTER board Three 8-/16-B it connect ors

Monit or ad a pt er PVGA1 o n syst em board
Memory expansion

board

External floppy dis k
controller boa rd

External floppy dis k
power supply

Coprocessor for M250 E Intel 80287-2

M250 -1 MB / 2 M B on syst em boar d
M250 E 1, 2 or 4 MB on system board

EXM 25-531 - 2 SIMM 512 KB 80 ns
(1 MB to 2 MB memory expansion on
system boar d)
EXM 25-332 - 2 SIMM 1 MB 80 ns
(2 MB to 4 MB memory expansion on
system boar d)

IN 113 for the M2 5 0
IN 118 for the M 250 E

For M250 ME 903
For M250 E AMB 2678

Expandable to 4 MB by means of
EXM 25-852 mem or y kit 18 chips
120 ns

IF374

PSU

Personal Com puter - Pocket Ser vice G uide

SYSTEM BOARD

BA227

M250 BA233

BA239
BA240

M250 E BA241

POWER SUPPLY

PS07/B 220 V
D.R.S. code 412442 J
PS07/B 110 V
D.R.S. code 412441 R

BIOS

M250: Lev. 1.06
M250 E: Lev. 1.0 9

MEMORY
EXPANSIONS

M250 - ME903
M250 E - AMB 267 8

6

M250 - M2 50 E 6-1

Personal Comp ut er - Pock et Se rv ice G uide

SYSTEM BOARD

LEVEL D.R.S.

Nasc.
Lev. 01

BA227

Lev. 02

Nasc

Lev. 01

BA233

Lev. 02
Lev. 03

Nasc.
Lev. 01
Lev. 02

BA239

Lev. 02/A

BIOS ROM NOTES

CODE

412436 M See following table

Lev. 1.03

Lev. 1.03

See following table
Lev. 1.03

Lev. 1.03

Lev. 1.04
Lev. 1.06

See following table
Lev. 1.04
Lev. 1.04
Lev. 1.04

M250 syste m boar d. Multilaye r & SMD
Problems with 16-b it boards, and with 3
COM Token Link Plus, Novel l NP 600,
Olicom, Madg e Token R ing boar ds .
Impossible to utilize 512 KB SIMM

Solves the par it y er ro r, CM OS and t im er
problems.

M250 mot her bo ar d. Mu ltilayer & SMD

Corrects parity error, CMOS and timer
problems

New BIOS
Replaces BIOS 1. 04 wit h 1.06.

Corrects ser ia l po rt pr oblems.
M250 system board.

SETUP loss problem solved
Coproces sor problems solved

Coproces sor and tim er problems solved
Lev. 04
Lev. 05

Nasc.

Lev. 01

BA240

Lev. 02
Lev. 03
Lev. 03/A
Lev. 05
Lev. 06

Lev. 1.06
Lev. 1.06

412577 R See following table

Lev. 1.04

Lev. 1.04
Lev. 1.04
Lev. 1.04
Lev. 1.06
Lev. 1.06

BIOS 1.04 replaced by 1.06

Floppy disk cont r ol ler W.D. 37 C65C ver . C

can be used in place of the W.D. 37C6 5B

ver. B floppy disk contr ol ler.

M250 system board.

Impossible to read 360 MB floppy disk with

1.2 MB drive

Piggy-Back board RA 085 (VIDEO DRAM)

soldered dir ectly on- bo ar d

SETUP loss problem solved

Coproces sor problems solved

Coproces sor and tim er problems solved

BIOS 1.04 replaced by 1.06

Floppy disk cont r ol ler W.D. 37 C65C ver . C

can be used in place of the W.D. 37C6 5B

ver. B floppy disk contr ol ler.

6-2 M250 - M250 E

Personal Com puter - Pocket Ser vice G uide

LEVEL D.R.S.

ROM BIO S NOTES

CODE

Nasc.

Lev. 01

BA241

Lev. 02
Lev. 03
Lev. 04
Lev. 05
Lev. 06

412758 E See following table

Lev. 1.06

Lev. 1.06
Lev. 1.07
Lev. 1.08
Lev. 1.09
Lev. 1.09

ROM BIOS/PAL/ EPROM LEVEL

M250 E syst em board .
Impossible to rea d 360 MB flo ppy disk s
with 1.2 MB drive

Solves:

SETUP loss problems
Timing compatibility
Keyboard defe cts
Chip select output glitch es

Parallel port malfunctio ns
Cutting and trim min g recove ry
BIOS Rev. 1.06 r eplace d by 1.07
BIOS Rev. 1.07 r eplace d by 1.08
BIOS Rev. 1.08 r eplace d by 1.09
Floppy disk controller W .D. 37C6 5C ver. C

can be used in place of the W.D. 37C65B
ver. B floppy disk cont ro ller.

6

FUNCTION POS. EVOLUTION FOR M250

ROM Bios
Keyboard cont roller

ROM OVC (PVGA1A)
Video circuit
Video circuit
Video circuit
Hard disk circuit
Keyboard/so und cir cuit

U12
U10

U13
U14
U15
U16
U17
U88

1.01

7.01

1.04 PERA
PLQ4
PLQB
PLQC
PLQD
PLQE

1.02

1.06 PERC
PLRT (BA233)

PLRU (BA233)

FUNCTION POS. EVOLUTION FOR M250 E

ROM BIO S
Keyboard cont roller
ROM OVC (PVGA1A)
Video circuit
Video circuit
Video circuit
Hard disk circuit
Keyboard/so und cir cuit

U12
U10
U13
U14
U15
U16
U17
U88

1.06

7.01

1.06 PERC
PLQ4
PLQB
PLQC
PLQD
PLQE

1.07 1.08 1.09

1.03
PERB

1.04
PERD

1.06

M250 - M2 50 E 6-3

Personal Comp ut er - Pock et Se rv ice G uide

COMPATIBILITY

BIOS 1.03 Solves SETUP problems on diskless M250 (BI/01 )
BIOS 1.04

(BIT 03)
BIOS 1.06

PERC
BIOS 1.07

PDSG

BIOS 1.08 M2 50 E only - Solv es key boar ds insta llation pr ob le ms
BIOS 1.09 M250 E only

HARD DISK UNIT TYPE SELECTION --> SETUP

TYPE MODEL CAPACITY CYL T W PC LZ SET

1
2
3
4
7

CONNER CP346
CONNER CP3106
CONNER CP3142
CONNER CP3022
CONNER CP3044

Positive video management
Hard Disk Update table

M250 as Perso nal Banking opt ion and for M250 E
Serial port problem s so lved

M250 E only - Eliminat es ge ner at ion of spur ious char acter s du ring
Power On
Added hard disk type 7 for CONNER CP3044

40 MB
100 MB
40 MB
20 MB
40 MB

805
766
635
615
635

-1

4

-1

8

-1

4

-1

4

-1

4

804
775
639
614
639

26
33
33
17
33

Where: CYL: No. of disk cylinders

T: No. of disk heads
WPC: Precompensation cylinder number
LZ: Head parking area cylinder number
SET: No. of disk secto rs

SETUP OPERATIONS

1
2
3
4
5
6
7
8
9
10
11

POWER SUPPLY

MODEL LEVEL D.R.S.

PS07/B 220 V Lev. 03

PS07/B 110V Lev. 03

Date
Time
Base Memory Size
Extended Memory Size
Shadow Memo ry
Floppy Dr ive 1
Floppy Dr ive 2
Hard Disk 1
Mathem at ic Copr oce ssor
Primary CRT Adapte r Type
Additional Setup

CODE

412442J Power Good board replaced .

Lev. 04

412441R Same modifications mad e to the 220 V version.

Lev. 04

ROM BIOS

Retrofit made t o solve cer tain oper ating m alf unct ions

Lev. 05

6-4 M250 - M250 E

Corrects the problem s give n by EMI noise.

BSA7A

Personal Com puter - Pocket Ser vice G uide

MOTHERBOARD COMPONENTS AND SETTINGS: BA227/BA233/BA239/BA240

MEMORY BANKS 256 KB VGA RAM

P1 - P2

VGA ROM BIOS

U18
U19

U20
U21

PVGA

PARALLEL
PORT
CTRL

80C206

GA98

SERIAL
PORT
CTRL

ROM BIOS

GA99

8742

P8

80286
CPU

80287
COPROC

FLOPPY
CTRL

P6

KEYBOARD
CTRL

JUMPERS

P1 P2 BANK 0 BANK 1 No. SIMM SIMM TYPE

IN OUT ACTIVE NOT ACTIVE 2 256 x 9

512 x 9

OUT OUT ACTIVE ACTIVE 4 256 x 9

512 x 9
IN IN ACTIVE NOT ACTIVE 2 1 M x 9
OUT IN CONFIGURATION NOT USED

6

NOTE:- BANK 0 (SLOT S U18 and U1 9 )

- BANK 1 (SLOTS U20 and U21 )

P6 1-2 40 MB Hard disk (CP3142 interl. 1:1/RLL)/CP346 or CP3024 (1:1)

2-3 20 MB Hard disk (CP3022 interl. 3:1/RLL or SIN HDU)

P8 IN * Battery connected

OUT Battery not connect ed

(*) Default set ting

M250 - M2 50 E 6-5

WD37C65

SIMM
MODULES

P8

Personal Comp ut er - Pock et Se rv ice G uide

BA241 SYSTEM BOARD COMPO NENTS AND SETTI NG S FOR M 250 E

P15

P12

1 3

SOCKET FOR
80287 CO­PROCESSOR

PVGA

1 MB RAM

JUMPERS

NAME POSITION FUNCTION

P6
P8
P9
P10
P11
P12
P15
P20

3 - 2
2 - 1
IN
OUT
IN
OUT
IN
OUT
IN
OUT
1 - 2
2 - 3
IN
OUT
IN
OUT

HDU interleave 1:1
HDU interleave 1:3
Battery connec te d
Battery not connec ted
16 MHz floppy disk

1.2 MB floppy disk
Hard disk not present
Hard disk present
Serial port disabled
Serial port enable d
VGA enabled
VGA disabled
Selectable hys tere sis
Normal hyst er esis
187 ns prec ompensation
125 ns prec ompensation

P11 P10

0 1

P6

P1 - P2

16C451

P20

80286
CPU

GA99

8742
KEYBOARD

CONTROLL ER
ROM
BIOS

P9

DMA

GA80

BGS6A

JUMPERS P1 - P2

P2

P1

1 MB - No SIMM
module

P2

P1

2 MB - 2 SIMM
modules of 512 K

P2

P1

4 MB - 4 SIMM modules
2 of 512 K and 2 of 1 M

6-6 M250 - M250 E

AVAILABLE

VIDEO
BIOS
SHADOW

SYSTEM
BIOS
SHADOW

Personal Com puter - Pocket Ser vice G uide

MEM 2852 (ME903) MEM O RY EXPANSIO N BO ARD SETTI NG S FOR M 250

(See M28 page 3-5).

AMB 2678 MEMO RY EXPANSIO N BO ARD SETTI NG S FOR M 250 E

(See M300 page 10-7).

M250 MEMORY MAP

VIDEO RAM (t ext)

VIDEO

640 KB

M250 I/O ADDRESS MAP

ADDRESS FUNCTION ADDRESS FUNCTION

000-01F
020-021
022-023
040-05F
060-064
61
65
67
69
070-07F

080-09F

RAM
(graphics)

A000

B000 C000

DMA controller 1
Interrupt controller 1
82C206
Timer
Keyboard cont roller
General control register
Configuration register
Memory page register
Memory map register
RTC and NMI controller

DMA page regist er

VGA BIOS

D000

0A0-0BF
0C0-0DF
0F0-0FF
1F0-1F7
278-27F
378-37F
3B0-3DF
3F0-3F1
3F2-3F6
3F7

3F8-3FF

E000

Interrupt controller 2
DMA controller 2
80287
Hard disk adapter
Parallel port 2
Parallel port 1
VGA controller
Hard disk controller
Floppy disk registers
Exchange register s betwe en
hard disk and floppy disk
Serial interf ace

F000

6

10000

M250 E INTERRUPT LEVELS

LEVEL FUNCTION LEVEL FUNCTION

IRQ0
IRQ1
IRQ2
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7

M250 DMA CHANNELS

CHANNEL FUNCTION CHANNEL FUNCTION

DMA0
DMA1
DMA2
DMA3

M250 - M2 50 E 6-7

Channel 0 timer
Keyboard
Interrupt from inter rupt contr oller 2
Serial port 2
Serial port 1
Parallel port 2
Floppy disk
Parallel port 1

8-BIT av a ilable
8-BIT CD - ROM
8-BIT f lo ppy
8-BIT video

DMA4
DMA5
DMA6
DMA7

IRQ8
IRQ9
IRQ10
IRQ11
IRQ12
IRQ13
IRQ14
IRQ15

16-BIT cascad e DM A cont ro ller 2
16-BIT available
16-BI T av a i lab le
16-BI T av a i lab le

RTC
Available
Available
Available
Available
80287
Hard disk
Available

A000

Personal Comp ut er - Pock et Se rv ice G uide

M250 E MEMORY M A P

VIDEO RAM (text)

VIDEO

640 KB

M250 E I/O ADDRESS MAP

ADDRESS FUNCTION ADDRESS FUNCTI ON

000-01F
020-021
022-023
040-05F
060-064
61
65
67
69
06B

070-07F

RAM
(graphics)

B000 C000

DMA controller 1
Interrupt controller 1
82C206
Timer
Keyboard controller
General cont ro l register
Configuration r egist er
Memory page r egist er
Memory map register
Memor y ba nks st ar t in g
address register

RTC and NMI controller

VGA BIOS

D000

080-09F
0A0-0BF
0C0-0DF
0F0-0FF
1F0-1F7
278-27F
378-37F
3B0-3DF
3F0-3F1
3F2-3F6
3F7

3F8-3FF

VIDEO
BIOS
SHADOW

E000

DMA page regist er
Interrupt controller 2
DMA cont ro ller 2
80287
Hard disk adapter
Parallel port 2
Parallel port 1
VGA contro ller
Hard disk controller
Floppy disk reg iste rs
Exchange r egist ers bet we e n
hard disk and floppy disk
Serial inter face

SYSTEM
BIOS
SHADOW

F000

AVAILABLE

10000

M250 E INTERRUPT LEVELS

LEVEL FUNCTION LEVEL FUNCTION

IRQ0
IRQ1
IRQ2
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7

M250 E DMA CHANNELS

CHANNEL FUNCTION CHANNEL FUNCTION

DMA0
DMA1
DMA2
DMA3

Channel 0 timer
Keyboard
Interrupt from interrupt controller 2
Serial port 2
Serial port 1
Parallel port 2
Floppy disk
Parallel port 1

8-BIT available
8-BIT CD-ROM
8-BIT floppy
8-BIT video

DMA4
DMA5
DMA6
DMA7

IRQ8
IRQ9
IRQ10
IRQ11
IRQ12
IRQ13
IRQ14
IRQ15

16-BIT cascade DMA co nt ro ller 2
16-BIT ava ilab le
16-BIT ava ilab le
16-BIT ava ilab le

RTC
Available
Available
Available
Available
80287
Hard disk
Available

6-8 M250 - M250 E

Personal Com puter - Pocket Ser vice G uide

SOFTWARE COMPATIBILITY

OPERATING SYSTEMS NOTES

IBM DISK OPERATI NG SYSTEM, Ver sion 3. 30
IBM DISK OPERATI NG SYSTEM, Ver sion 4. 01

IBM OPERATING SYST EM/2, Version 1.10
IBM OPERATING SYST EM /2 , EXTENDED
EDITION, Version 1.10
OLIVETTI’S MI CROSO FT DI SK O PERAT ING
SYSTEM, Version 3. 30
OLIVETTI’S MI CROSO FT DI SK O PERAT ING
SYSTEM, Version 4. 01
OLIVETTI MICROSO FT OS/ 2, Ver sion 1.10

HARDWARE COMPATIBI LITY

MODEMS NETWORKING & LAN PRODUCTS

HAYES SMARTMODEM (1200 B)
HAYES SMARTMODEM (2400 B)
QUADRAM QUADMODEM II (QM2024)
TELENETICS EXPRESSDATA 24i (24 i-12i)
VEN-TEL PC MODEM HALF- CARD (PCM XT)
HAYES SMARTMODEM 120 0

MOUSE MEMORY EXPANSION PRO DUCTS

IBM PS/2 MOUSE ( 6450350)
LOGITECH BUS MOUSE (P7-3 F)
MICROSOFT BUS M O USE, REV. C
MICROSOFT SERIAL MOUSE
MSC PC MOUSE PS/2
OLIVETTI NEW ADVANCED MOUSE
(GRD 25-025)

INTERFACE & I/O PORT PRODUCTS DISPLAY UNITS

FUTURE DOMAI N HOST ADAPTER ( TM C- 830)
IBM ASYNCHRONOUS CO MM UNICATIONS
CARD (1502074)
IBM PRINTER ADAPTER (1505200)
IBM SERIAL/PARALLEL CARD (6 4502 15)
NATIONAL IEEE-488 CARD ( GPIB- PC, Rev. A)

GRAPHICS PRODUCTS

AST RESEARCH AST-3G PLUS
ATI EGA WONDER
GENOA SUPER EGA HIRES
HERCULES GRAPHICS CARD (GB102)
IBM ENHANCED GRAPHICS ADAPTER
(5154001)

During instal lation on hard disk, a for mat te d
DSDD disk is required.
PS/2 mouse not acknowledged
PS/2 mouse not acknowledged

AT&T STARLAN NETWORK
IBM PC NETWORK
IBM TOKEN RING NETWO R K
MADGE AT RING NODE TOKEN-RING
3COM NETWORK (ETHERNET)
10NET NETWORK

AST RAMPAGE/AT (RAMPAT- 20 00)
AST RAMPAGE/286 ( RAM P286)
BOCA RESEARCH BOCARAM/ AT
INTEL ABOVEBOARD PLUS 8 (PCMB45 25)

IBM MONOCHRO ME M ONI TO R (5 151)
IBM ENHANCED GRAPHICS MONITOR (5154)
IBM PS/2 MONOCHROM E DISPL AY (8503)
IBM PS/2 COLOR DI SPLAY (8512)
IBM PS/2 COLOR DI SPLAY (8513)
IBM PS/2 COLOR DI SPLAY (8514)
NEC MULTISYNC MONITOR (APC-H431)

IBM VGA ADAPTER
MATROX PG-1280A
ORCHID PRODESIGNER VG A PLU S
PARADISE EGA 480
QUADRAM QUAD EGA PLUS (QC8601)
TECMAR VGA AD
VIDEO-7 VEGA DELUXEI

6

■

M250 - M2 50 E 6-9