WinSystems PCM-586 Operation Manual

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OP ERA TIONS MAN UAL

PCM- 586

Win Sys tems Re serves the right to make changes in the cir cuitry

and speci fi ca tions at any time with out no tice.

Copy right 1999 by Win Sys tems. All Rights Re served.

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Re vi sion His tory

P/N 403-0271-000

ECO Num ber Date Code Rev Level
Origi nated 990311 D
99-43 990419 E
99-60 990917 F
02-09 021402 G

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TA BLE OF CON TENTS

Sec tion Para graph Page
Num ber Ti tle Num ber

1 Gen eral In for ma tion 1-1

1.1 Fea tures 1-1

1.2 Gen eral De scrip tion 1-1

1.3 Speci fi ca tions 1-2
2 PCM- 586 Tech ni cal Ref er ence

2.1 In tro duc tion 2-1

2.2 ACC Mi cro 2089 Proc es sor/Chipset 2-1

2.3 Real Time Clock/Cal en dar 2-2

2.4 Key board In ter face 2-2

2.5 Se rial In ter face 2-3

2.6 Par al lel Printer In ter face 2-6

2.7 Speaker/Sound In ter face 2-7

2.8 PC/104 Bus In ter face 2-7

2.9 Floppy Disk In ter face 2-8

2.10 IDE Hard Disk In ter face 2-8

2.11 Watch Dog Timer Con figu ra tion 2-9

2.12 Bat tery Se lect Con trol 2-10

2.13 Power/Re set Con nec tions 2-10

2.14 Sili con Disk Con figu ra tion 2-11

2.15 Multi-I/O Con nec tor 2-13

2.16 Status LED 2-13

2.17 Mouse In ter face 2-13

2.18 CPU Clock Speed 2-14

2.19 Jumper/Con nec tor Sum mary 2-15
3 Award BIOS Con figu ra tion

3.1 Gen eral In for ma tion 3-1

3.2 En ter ing Setup 3-1

3.3 Setup Main Menu 3-1

3.4 Stan dard CMOS Setup 3-2

3.5 BIOS Fea tures Setup 3-6

3.6 Chipset Fea tures Setup 3-10

3.7 Load BIOS De faults 3-14

3.8 Load Setup De faults 3-14

3.9 Pass word Set ting 3-15

3.10 IDE HDD Auto Se lec tion 3-15

3.11 Save & Exit Setup 3-15

3.12 Exit with out Sav ing 3-15

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4 PCM- 586 Sili con Disk Ref er ence

4.1 In tro duc tion 4-1

4.2 ROM DISK us age 4-1

4.3 Boota ble RAM DISK us age 4-4

4.4 Non- Bootable RAM DISK us age 4-5

4.5 Non- Bootable FLASH DISK us age 4-6

4.6 Disk On Chip us age 4-6
5 Se rial Con sole Reference 5-1

5.1 In tro duc tion 5-1

5.2 Win com.exe Se rial Con sole Cli ent 5-1

5.3 Get ting Started with the Se rial Con sole 5-2

5.4 Se rial Con sole Setup 5-3

5.5 Copy Files us ing the Se rial Con sole 5-4

AP PEN DIX A Port I/O Map
AP PEN DIX B In ter rupt Map
AP PEN DIX C PCM- 586 Parts Place ment Guide
AP PEN DIX D PCM- 586 Parts List
AP PEN DIX E PCM- 586 Me chani cal Drawing

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1 GENERAL INFORMATION

1.1 FEATURES

n High In te gra tion 133MHz 5x86 Proc es sor Board
n PC/104 Sized Mod ule
n Up to 32 Mega bytes of rug ge dized SMT DRAM
n Onboard Solid State Disk sup port for EPROM, SRAM, or FLASH
n In dus try Stan dard AWARD BIOS with POST
n Two PC Com pati ble Se rial Ports with op tional RS- 422/RS- 485 sup port
n Stan dard Par al lel Printer Port
n Watch dog Timer with Pow er fail/Re set
n On board 16- bit IDE In ter face
n On board Dual Floppy Disk Con trol ler
n Stan dard AT Key board Sup port
n Real-Time Clock with Bat tery Backup
n Status and Hard Disk LEDs
n +5 Volt Only Op era tion

1.2 GENERAL DESCRIPTION

The PCM- 586 is a small, high- performance, em beddable com puter sys tem on a sin gle
PC/104 form fac tor board. It fea tures the ACC Mi cro 2089 plus the AMD 5x86 run ning at
133 Mhz. It can be popu lated with up to 64 Mega bytes of fac tory in stalled SMT DRAM. Its
full PC/AT hard ware, and in dus try stan dard AWARD BIOS, as sure full hard ware and
soft ware com pati bil ity with PC soft ware and op er at ing sys tems. The PCM- 586 in cludes
on board in ter faces for floppy disks, IDE fixed disks, par al lel printer, and two se rial
chan nels with RS- 232, RS- 422, or RS- 485 ca pa bil ity on ei ther or both chan nels. A full 16­ bit PC/104 ex pan sion bus is pro vided for fur ther ex pan sion to an en tire in dus try of add- on
pe riph er als in clud ing high- speed VGA con trol lers, sound and speech mod ules, SCSI
con trol lers, Ana log I/O mod ules, and lit er ally hun dreds of other op tions avail able from
Win Sys tems and a va ri ety of ven dors sup port ing the PC/104 stan dard. An on board
Sili con Disk socket sup ports disks of up to 1 Mega byte in size and can util ize SRAM,
PEROM, or EPROM as the disk me dia. Boot ca pa bil ity is pro vided on board, and a set of
utili ties and driv ers are included to make the sili con disk based sys tem very user friendly.
Al ter nately, the M-Systems’ Disk On Chip FLASH mod ules may be popu lated and disk
sizes range from 2 Mega bytes to 72 Mega bytes.

021402 OPERATIONS MANUAL PCM-586 Page 1-1

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1.3 Specifications

1.3.1 Electrical

Bus In ter face : PC/104 8- bit or 16- bit ex pan sion Bus

Sys tem Clock : Fac tory con fig ured for 133 Mhz

In ter rupts : TTL level in put

VCC : +5V +/-5% at 1300mA typi cal at 133Mhz and 32MB DRAM

VCC1 : +12V +/-5% (Not re quired. PC/104 Ex pan sion Only)

VCC2 : -12V +/-5% (Not re quired. PC/104 Ex pan sion Only)

1.3.2 Memory

Ad dress ing : 32 Mega byte ad dress ing

BIOS ROM : 128K PEROM

Mem ory : Fac tory in stalled SMT DRAM in sizes from 8M to 32M

SSD Mem ory : One 32- pin JE DEC stan dard sock ets sup port 4- MBit SRAM, 4MBit PEROM,

4- MBit EPROM, 16- MBit EPROM or the M- Systems 32- pin DOC (Disk On Chip)
mod ule

1.3.3 Mechanical

Di men sions : 3.6 X 3.8 (with out PC/104 mod ules or ca bles)

PC- Board : FR4 Ep oxy Glass with 4 sig nal lay ers and 2 power planes with screened

Com po nent leg end, and plated through holes

Jump ers : 0.025” square posts on 0.10” cen ters

Con nec tors : Multi I/O : 50 pin RN type IDH- 50- LP

Floppy Disk : 34 pin RN type IDH- 34- LP

Fixed Disk : 40 pin RN type IDH- 40- LP

PC/104 BUS : 64 pin SAM TEC type ESQ- 132- 12- G-D

40 pin SAM TEC type ESQ- 120- 12- G-D

Power/Re set Con nec tor : 8 pin Mo lex 22-12-2084

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Mouse : 5 pin latch ing type Mo lex 22-12-2054

Speaker : 3 pin latch ing type Mo lex 22-12-2034

1.3.4 Environmental

Op er at ing Tem pera ture : -40° to +70°

Non- Condensing Hu mid ity : 5 to 95%

021402 OPERATIONS MANUAL PCM-586 Page 1-3

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2 PCM-586 Technical Reference

2.1 Introduction

This sec tion of the man ual is in tended to pro vide suf fi cient in for ma tion re gard ing the
con figu ra tion and us age of the PCM- 586 board. Win Sys tems main tains a Tech ni cal
Sup port Group to help an swer ques tions re gard ing con figu ra tion, us age, or pro gram ming
of the board. For an swers to ques tions not ade quately ad dressed in this man ual, con tact
Tech ni cal Sup port at (817) 274- 7553 be tween 8AM and 5PM Cen tral Time.

2.2 ACC MICRO 2089 Chipset

The PCM- 586 util izes the ACC Mi cro 2089 Chipset which pro vides a highly
in te grated, high- performance back bone for full PC/AT com pati bil ity. The 2089 con tains
the logic for DRAM, CPU and Bus State con trol as well as the stan dard com ple ment of
‘AT’ class pe riph er als in ter nally, in clud ing :

8 DMA Chan nels com pati ble with PC- AT Con trol lers

15 In ter rupt in puts com pati ble with mas ter/slaved 8259 in ter rupt con trol lers

Three 8254 com pati ble timer/coun ter chan nels

Two 8250 com pati ble UARTS

EPP/ECP LPT Port

765B com pati ble Floppy Disk Controller

PC-AT com pati ble real time clock/cal en dar with CMOS

The func tional units are 100% PC- AT com pati ble and are sup ported by the Award
BIOS and Setup. Us ers de sir ing to ac cess these in ter nal pe riph er als di rectly should ref e r
to any manu fac tur er’s ge neric lit era ture on the equiva lent dis crete com po nent.

There are a number of in ter nal reg is ters within the 2089 Chipset sec tion that are used
by the BIOS for con trol and con figu ra tion. Ref er to the I/O Map in Ap pen dix A for port
us age to avoid con flicts when add ing ex ter nal I/O de vices.

021402 OPERATIONS MANUAL PCM-586 Page 2-1

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2.3 Real Time Clock Calendar

J6

1 2 3

o o o

Master Battery Enable
Jumper J6

J7

1 2 3

o o o

Battery Backup
Jumper J7

The PCM- 586 con tains an on board Clock/Cal en dar from Dal las Semi Con duc tor. The

DS12885S is fully com pati ble with the MC146818A used in the origi nal PC- AT
com put ers. This clock has a number of fea tures in clud ing pe ri odic and alarm interru pt
ca pa bili ties. In ad di tion to the Time and Date keep ing func tions, the sys tem
con figu ra tion is kept in CMOS RAM con tained within the clock sec tion. This RAM holds
all of the setup in for ma tion re gard ing hard and floppy disk types, video type, shad ow ing,
wait states, etc. Ref er to the sec tion on the Award BIOS Setup for com plete in for ma tion
on what is con fig ured via the CMOS RAM.

It may be come nec es sary at some time to make the CMOS RAM for get its cur rent

con figu ra tion and to start fresh with fac tory de faults. This may be ac com plished by
re mov ing power and the board from the sys tem. Then re move the jumper from J6 pins 1-2
and place on pins 2-3. Then short all 3 pins of J7 together for 2 sec onds. Re place the
jumper at J6 to its origi nal po si tion, re in stall the board, power up, and re con fig ure the
setup as desired.

NOTE : J6 must al ways be re in stalled. The sys tem will not func tion cor rectly with out

this jumper in stalled. If no battery is installed, jumper J6 pins 2-3.

2.4 Keyboard Interface

The PCM- 586 con tains an on board PC- AT style key board con trol ler. Con nec tion is

made through the Multi-I/O con nec tor at J4. An adapter ca ble, P/N CBL- 162-1, is
avail able from Win Sys tems to make ready ac cess to all of the de vices ter mi nated at the
Multi-I/O con nec tor. Us ers de sir ing cus tom con nec tions should ref er to the Multi-I/O
con nec tor pin defi ni tions given later in this man ual.

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2.5 Serial Interface

J8

3 o
2 o
1 o

J10

3 o
2 o
1 o

J9

3 o
2 o
1 o

J11

3 o
2 o
1 o

The PCM- 586 pro vides two RS- 232 se rial chan nels on board, con fig ur able as RS- 422
or RS- 485 with the ad di tion of op tional driver ICs. The con figu ra tion op tions for each of
the sup ported modes are shown on the fol low ing pages.

2.5.1 COM 1 - RS-232

COM1 is I/O mapped at 3F8H and util izes a 16550-type UART con tained in the 2089.
When used in RS- 232 mode, COM1 is ter mi nated via the multi-I/O con nec tor at J4. The
con figu ra tion de tails and the pin defi ni tions when used with the CBL- 162-1 ca ble are
shown here :

COM1 - DB9

J11

3 o
2 o
1 o

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J9

3 o
2 o
1 o

U11 - Installed

U10 - Not Installed

U9 - Not Installed

PIN DEFINITIONS

1 DCD
2 RX Data
3 TX Data
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI

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2.5.2 COM 2 - RS-232

COM2 is I/O mapped at 2F8H and util izes a 16550-type UART con tained in the Super-

I/O chip. When used in RS- 232 mode COM2 is ter mi nated via the multi-I/O con nec tor at
J4.The con figu ra tion de tails and the pin defi ni tions when used with the CBL- 162-1 ca ble
are shown here :

COM2 - DB9

PIN DEFINITIONS

J10

3 o
2 o
1 o

J8

3 o
2 o
1 o

U8 - Installed

U7 - Not Installed

U6 - Not Installed

1 DCD
2 RX Data
3 TX Data
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI

2.5.3 RS-422 Mode Configuration

RS- 422 sig nal lev els are sup ported on ei ther, or both se rial chan nels with the

in stal la tion of the op tional “Chip Kit” Win Sys tems’ part number CK- 75176-2. This kit
pro vides the driver ICs nec es sary for a sig nal chan nel of RS- 422. If two chan nels of RS­ 422 are re quired then two kits will be needed. RS- 422 is a 4- wire point- to- point full­ duplex in ter face al low ing much longer ca ble runs than are pos si ble with RS- 232. The
dif fer en tial trans mit ter and re ceiver twisted- pairs of fer a high de gree of noise im mu nity.
RS- 422 usu ally re quires that the lines be ter mi nated at both ends. The fol low ing
il lus tra tions show the cor rect jump er ing, driver IC in stal la tion, and I/O con nec tor pin
defi ni tions for each of the chan nels when used in RS- 422 mode.

2.5.4 COM 1 - RS-422

COM1 - DB9

PIN DEFINITIONS

J11

3 o
2 o
1 o

J9

3 o
2 o
1 o

U11 - Not Installed

U10 - Installed

U9 - Installed

1 N/A
2 TX+
3 TX­4 N/A
5 GND
6 RX+
7 RX­8 N/A
9 N/A

RS- 422 NOTE : When used in RS- 422 mode, the trans mit ter must be en abled via

soft ware by set ting the RTS bit in the Mo dem Con trol Reg is ter (Bit 1).

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2.5.5 COM 2 - RS-422

COM2 - DB9

PIN DEFINITIONS

J10 J8

3 o
2 o
1 o

3 o
2 o
1 o

U8 - Not Installed

U7 - Installed

U6 - Installed

1 N/A
2 TX+
3 TX­4 N/A
5 GND
6 RX+
7 RX­8 N/A
9 N/A

RS- 422 NOTE : When used in RS- 422 mode, the trans mit ter must
be en abled via soft ware by set ting the RTS bit in the Mo dem Con trol Reg is ter (Bit 1).

2.5.6 RS-485 Mode Configuration

The RS- 485 muti-drop in ter face is sup ported on both se rial chan nels with the
in stal la tion of the op tional “Chip Kit” Win Sys tems’ part number CK- 75176-2. A sin gle kit
is suf fi cient to con fig ure both chan nels for RS- 485. RS- 485 is a 2- wire multi- drop in ter face
where only one sta tion at a time talks (trans mits) while all oth ers lis ten (re ceive). RS- 485
usu ally re quires the twisted line- pair be ter mi nated at each end of the run. The fol low ing
il lus tra tions show the cor rect jump er ing, driver IC in stal la tion, and I/O con nec tor pin- out
for each of the chan nels when used in RS- 485 mode.

2.5.7 COM 1 - RS-485

J11

3 o
2 o
1 o

Normal RS-485 operation is
achieved by jumpering J9 pins
1-2. For RS-485 with
Echo-back jumper pins 2-3

J9

3 o
2 o
1 o

U11 - Not Installed

U10 - Not Installed

U9 - Installed

COM1 - DB9

PIN DEFINITIONS

1 N/A
2 TX+/RX+
3 TX-/RX­4 N/A
5 GND
6 N/C
7 N/C
8 N/A
9 N/A

RS- 485 NOTE : Be cause RS- 485 uses a sin gle twisted- pair, all trans mit ters are
con nected in par al lel. Only one sta tion may trans mit, or have its trans mit ter en abled at a
time. The trans mit ter en able/dis able is con trolled by Bit 1 in the Mo dem Con trol Reg is ter
(RTS). When set, the trans mit ter is en abled, when cleared (the nor mal state), the
trans mit ter is dis abled and the re ceiver is en abled. Note that it is nec es sary to al low some
mini mal set tling time af ter ena bling the trans mit ter bef ore trans mit ting the first
char ac ter. Like wise, fol low ing a trans mis sion, it is nec es sary to be sure that all
char ac ters have been com pletely shifted out of the UART (Check Bit 6 in the Line Status
Reg is ter) bef ore dis abling the trans mit ter to avoid chop ping off the last char ac ter sent.

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2.5.8 COM 2 - RS-485

J10

3 o
2 o
1 o

Normal RS-485 operation is
achieved by jumpering J8 pins
1-2. For RS-485 with Echo-back
jumper pins 2-3

J8

3 o
2 o
1 o

U8 - Not Installed

U7 - Not Installed

U6 - Installed

COM1 - DB9

PIN DEFINITIONS

1 N/A
2 TX+/RX+
3 TX-/RX­4 N/A
5 GND
6 N/C
7 N/C
8 N/A
9 N/A

RS- 485 NOTE : Be cause RS- 485 uses a sin gle twisted- pair, all trans mit ters are

con nected in par al lel. Only one sta tion may trans mit, or have its trans mit ter en abled at a
time. The trans mit ter en able/dis able is con trolled by Bit 1 in the Mo dem Con trol Reg is ter
(RTS). When set, the trans mit ter is en abled, when cleared (the nor mal state), the
trans mit ter is dis abled and the re ceiver is en abled. Note that it is nec es sary to al low some
mini mal set tling time af ter ena bling the trans mit ter bef ore trans mit ting the first
char ac ter. Like wise, fol low ing a trans mis sion, it is nec es sary to be sure that all
char ac ters have been com pletely shifted out of the UART (Check Bit 6 in the Line Status
Reg is ter) bef ore dis abling the trans mit ter to avoid chop ping off the last char ac ter sent.

2.6 Parallel Printer Interface

The PCM- 586 sup ports a stan dard par al lel printer port. An op tional con figu ra tion is

avail able with a par al lel port ca pa ble of en hanced EPP and ECP op era tions. The par al lel
port is I/O mapped at 278H and is ter mi nated at the Multi-I/O con nec tor J4. The pin
defi ni tions for the par al lel port con nec tor DB- 25, when used with the CBL- 162-1, ca ble is
shown be low :

STROBE
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
ACK
BUSY
PE
SLCT

1 o o 14
2 o o 15
3 o o 16
4 o o 17
5 o o 18
6 o o 19
7 o o 20
8 o o 21
9 o o 22
10 o o 23
11 o o 24
12 o o 25
13 o

AUTOFD
ERROR
INIT
SLIN
GND
GND
GND
GND
GND
GND
GND
GND

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2.7 Speaker/Sound Interface

Audio power for the PCM-586 can be accessed thru the connector at J1. Pin 1 drives a
+5 volt digital line suitable for Piezo-type transducers. Pin definitions for J1 are given
below.

J1

+5

1 o

GND

2 o

Audio

3 o

2.8 PC/104 Bus Interface

The PCM- 586 sup ports I/O ex pan sion through the stan dard PC/104 con nec tors at J16
and J17. The PCM- 586 sup ports both 8- bit and 16- bit PC/104 mod ules. The PC/104
con nec tor pin defi ni tions are pro vided here for ref er ence.

GND

RESET

+5V

IRQ9

-5V

DRQ2

-12V

0WS

+12V

GND

MEMW

MEMR

IOW

IOR

DACK3

DRQ3

DACK1

DRQ1

REFRESH

SYSCLK

IRQ7
IRQ6
IRQ5
IRQ4
IRQ3

DACK2

TC

BALE

+5V
OSC
GND
GND

J16

B1 o o A1
B2 o o A2
B3 o o A3
B4 o o A4
B5 o o A5
B6 o o A6
B7 o o A7
B8 o o A8
B9 o o A9
B10 o o A10
B11 o o A11
B12 o o A12
B13 o o A13
B14 o o A14
B15 o o A15
B16 o o A16
B17 o o A17
B18 o o A18
B19 o o A19
B20 o o A20
B21 o o A21
B22 o o A22
B23 o o A23
B24 o o A24
B25 o o A25
B26 o o A26
B27 o o A27
B28 o o A28
B29 o o A29
B30 o o A30
B31 o o A31
B32 o o A32

IOCHK
BD7
BD6
BD5
BD4
BD3
BD2
BD1
BD0
IOCHRDY
AEN
SA19
SA18
SA17
SA16
SA15
SA14
SA13
SA12
SA11
SA10
SA9
SA8
SA7
SA6
SA5
SA4
SA3
SA2
SA1
SA0
GND

GND

SBHE

LA23
LA22
LA21
LA20
LA19
LA18
LA17

MEMR

MEMW

SD8

SD9
SD10
SD11
SD12
SD13
SD14
SD15

KEY

J17

C0 o o D0
C1 o o D1
C2 o o D2
C3 o o D3
C4 o o D4
C5 o o D5
C6 o o D6
C7 o o D7
C8 o o D8
C9 o o D9
C10 o o D10
C11 o o D11
C12 o o D12
C13 o o D13
C14 o o D14
C15 o o D15
C16 o o D16
C17 o o D17
C18 o o D18
C19 o o D19

GND
MEMCS16
IOCS16
IRQ10
IRQ11
IRQ12
IRQ15
IRQ14
DACK0
DRQ0
DACK5
DRQ5
DACK6
DRQ6
DACK7
DRQ7
VCC
MASTER
GND
GND

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2.9 Floppy Disk Interface

The PCM- 586 sup ports up to 2 stan dard 3 ½” or 5 ¼” PC com pati ble floppy disk drives.
The drives are con nected via the I/O con nec tor at J3. Note that the in ter con nect ca ble to
the drives is a stan dard floppy I/O ca ble used on desk top PCs. The ca ble must have the
twisted sec tion prior to the drive A po si tion. The pin defi ni tions for the J3 con nec tor are
shown here for ref er ence.

J3

GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND

1 o o 2
3 o o 4
5 o o 6
7 o o 8
9 o o 10
11 o o 12
13 o o 14
15 o o 16
17 o o 18
19 o o 20
21 o o 22
23 o o 24
25 o o 26
27 o o 28
29 o o 30
31 o o 32
33 o o 34

RPM/LC
N/C
N/C
INDEX
MTR0
DRV1
DRV0
MTR1
DIR
STEP
WDATA
WGATE
TRK0
WPRT
RDATA
HDSEL
DSKCHG

2.10 IDE Hard Disk Interface

The PCM- 586 sup ports stan dard IDE fixed disks through the I/O con nec tor at J5. A
red ac tiv ity LED is pres ent at D1. The pin defi ni tions for the J5 con nec tor are shown here.

J5

RESET

D7
D6
D5
D4
D3
D2
D1
D0

GND

N/C

IOW

IOR
N/C
N/C

IRQ14

A1
A0

HDCS0

N/C

1 o o 2
3 o o 4
5 o o 6
7 o o 8
9 o o 10
11 o o 12
13 o o 14
15 o o 16
17 o o 18
19 o o 20
21 o o 22
23 o o 24
25 o o 26
27 o o 28
29 o o 30
31 o o 32
33 o o 34
35 o o 36
37 o o 38
39 o o 40

GND
D8
D9
D10
D11
D12
D13
D14
D15
N/C
GND
GND
GND
N/C
GND
IOCS16
N/C
A2
HDCS1
GND

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2.11 Watchdog Timer Configuration

J6

1 2 3
o o o

Battery enable jumper J6

J2

1 o
2 o
3 o

Watchdog timer
configuration jumper J2

The PCM- 586 board fea tures a power- on volt age de tect and a power- down/power
brown out re set cir cuit to pro tect mem ory and I/O from faulty CPU op era tion dur ing
pe ri ods of il le gal volt age lev els. This su per vi sory cir cuitry also fea tures a watch dog timer
which can be used to guard against soft ware lock ups. An in ter nal self-timer with a pe ri od
of 1.5 sec onds will, when en abled, re set the CPU if the watch dog has not been serv iced
(pet ted) within the al lot ted time. There are three watch dog op era tional modes avail able
on the PCM- 586. With no jumper in stalled on J2, the watchdog is to tally dis abled and can
never re set the CPU. When J2 is jumpered pins 2-3, the watch dog cir cuit is per ma nently
en abled and tim ing be gins im me di ate ly with power- on. This mode is NOT com pati ble
with the Award BIOS or with MS- DOS, but is avail able for di rectly em bed ded code that
takes the place of the BIOS. The watch dog must be ac cessed at least every 1.5 sec onds or a
re set will oc cur. Pet ting in this mode is ac com plished by writ ing to I/O port 1EEH with an
al ter nat ing 1 and 0 value.

The al ter nate mode of op era tion is via soft ware en able/dis able con trol. This mode is
set by jump er ing J2 pins 1-2. In this mode the watch dog timer powers- up dis abled and
must be en abled in soft ware bef ore tim ing will be gin. Ena bling is ac com plished by writ ing
a 1 to I/O port 1EEH. Writ ing a 0 to I/O port 1EEH will dis able the watch dog. Af ter
ena bling, the watch dog must be serv iced at least every 1.5 sec onds or a re set will oc cur.
The pet ting is ac com plished by sim ply writ ing any value to I/O port 1EFH. This mode of
op era tion can be used with the BIOS and DOS pro vided that the watch dog is dis abled
bef ore mak ing any ex ten sive BIOS or DOS calls, es pe cially video or disk I/O calls, which
in some cases could ex ceed the 1.5 sec onds al lowed. The draw back to this mode is that a
lockup dur ing the time the watch dog is dis abled will not al low for auto- recovery but will
re quire an ex ter nal source for a re set.

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2.12 Battery Selection Control

The PCM- 586 has an on board lith ium bat tery used to sus tain the Clock/Cal en dar

CMOS setup in for ma tion, and Solid State Disk in for ma tion when SRAMs are used. A
mas ter bat tery en able jumper is pro vided at J6. With J6 un jumpered the bat tery is to tally
dis con nected and no bat tery volt age is sup plied to any cir cuitry on the board. The Solid
State Disk socket may be jumpered for bat tery backup when us ing SRAMs if de sired.
Ref er to the Sili con Disk Con figu ra tion sec tion of this man ual for de tails. It may be come
nec es sary or de sir able at some time to erase the CMOS setup in for ma tion due to in cor rect
or un de sir able set tings which are caus ing an in abil ity to exe cute the setup util ity or
im proper op era tion. To reset the CMOS memory to factory defaults, remove the jumper
from J6 1-2 and place on J6 2-3. Then short all 3 pins of J7 together for 2 seconds, then
restore the jumper to J6 pins 1-2. This should result in the BIOS restoring defaults and
prompting for setup during the next boot. Ref er to sec tion 3, “AWARD BIOS
Con figu ra tion”, for setup op tions and de tails.

2.13 Power/Reset Connections

o o o o o o o o
8 7 6 5 4 3 2 1

J18

Power is ap plied to the PCM- 586 via the con nec tor at J18. The pin defi ni tions for J18

are given be low. An op tional push- button- reset (Normally Open) may also be routed into
J18 if de sired.

J18

8 o
7 o
6 o
5 o
4 o
3 o
2 o
1 o

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PBRESET*
GND
GND
GND
+5V
+5V
+12V

-12V

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2.14 Silicon Disk Configuration

J7

1 2 3

o o o

Silicon Disk Configuration
Jumpers J7 and J12

J12

10 o o 9
8 o o 7
6 o o 5
4 o o 3
2 o o 1

The PCM- 586 sup ports the use of EPROM, PEROM (Flash), SRAM, and the M­ Systems Disk On Chip (DOC) de vices to be used as a Solid State Disk drive. Sec tion 4 of
this man ual pro vides the nec es sary in for ma tion for the gen era tion and us age of the
Sili con drive. This sec tion docu ments the re quired hard ware con figu ra tions for the
vari ous types of de vices. The 32- pin JE DEC mem ory socket at U3 is used to con tain the
RAM, ROM, Flash, or DOC de vice used for the disk. The Sili con disk ar ray is mem ory
mapped into a 32K byte hole at seg ment E800H and has an I/O con trol reg is ter at 1ECH.

2.14.1 Silicon Disk Mode

There are two ba sic modes of Sili con Disk op era tion avail able on the PCM- 586. The
first uses the on board BIOS ex ten sion and sup ports the use of a 512K or 1M EPROM,
512K SRAM, or 512K AT MEL Flash de vice. The sec ond mode uses the M- Systems

J15

1 o o 2

EPROM, SRAM, PEROM USAGE

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J15

1 o o 2

DOC USAGE

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Disk On Chip de vice. The mode is con trolled via pins 1-2 on jumper block at J15 as shown
here :

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2.14.2 Device Type Selection

Bef ore us ing the Sili con Disk, the proper de vice type must be se lected by prop erly
jump er ing J12. The sup ported de vice type jump er ings are shown here :

J12 J12

10 o o 9
8 o o 7
6 o o 5
4 o o 3
2 o o 1

512K X 8 SRAM DOC DEVICE512K X 8 PEROM 1M X 8 EPROM512K X 8 EPROM

10 o o 9
8 o o 7
6 o o 5
4 o o 3
2 o o 1

J12 J12 J12

10 o o 9
8 o o 7
6 o o 5
4 o o 3
2 o o 1

10 o o 9
8 o o 7
6 o o 5
4 o o 3
2 o o 1

10 o o 9
8 o o 7
6 o o 5
4 o o 3
2 o o 1

2.14.3 Battery Backup Selection

When us ing SRAM de vices and non vola tile op era tion is de sired, bat tery backup can be
se lected. J7 pro vides for se lect ing battery- backed vs. Nor mal op er at ing mode as shown
here :

J7 J7

1 o
2 o
3 o

1 o
2 o
3 o

Normal Operation

Battery Backup Selected

NOTE : Hav ing the jumper se lected for bat tery backup when us ing any thing other
than low- power- standby SRAMs (such as with EPROMs, or PEROMs) will re sult in the
rapid drain ing of the on board bat tery.

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2.15 Multi-I/O Connector

The I/O to the se rial chan nels, the printer port, and the key board are all ter mi nated

via the con nec tor at J4. An adapter ca ble, part number CBL- 162-1, is avail able from
Win Sys tems to adapt to the con ven tional I/O con nec tors. The pin- out for J4 is shown here
:

J4

COM1 -DCD

COM1 -RXD

COM1 -TXD

COM1 -DTR

COM1 -GND

COM2 -DSR

COM2 -RTS
COM2 -CTS

COM2 -RI

LPT -STROBE

LPT -PD0
LPT -PD1
LPT -PD2
LPT -PD3
LPT -PD4
LPT -PD5
LPT -PD6
LPT -PD7

LPT -ACK

LPT -BUSY

LPT - PE

LPT - SLCT

KEYBD - GND

KEYBD - KDATA

KEYBD - +5V

1 o o 2
3 o o 4
5 o o 6
7 o o 8
9 o o 10
11 o o 12
13 o o 14
15 o o 16
17 o o 18
19 o o 20
21 o o 22
23 o o 24
25 o o 26
27 o o 28
29 o o 30
31 o o 32
33 o o 34
35 o o 36
37 o o 38
39 o o 40
41 o o 42
43 o o 44
45 o o 46
47 o o 48
49 o o 50

COM1 - DSR
COM1 - RTS
COM1 - CTS
COM1 - RI
COM2 - DCD
COM2 - RSX
COM2 - TXD
COM2 - DTR
COM2 - GND
LPT - AUTOFD
LPT - ERROR
LPT - INIT
LPT - SLCTIN
LPT - GND
LPT - GND
LPT - GND
LPT - GND
LPT - GND
LPT - GND
LPT - GND
LPT - GND
KEYBD - GND
KEYBD - GND
KEYBD - CLK
KEYBD - +5V

2.16 LED Status

A red LED, is popu lated on the board at D1, which can be used for any ap pli ca tion

spe cific pur pose. The LED can be turned on in soft ware by writ ing a 1 to I/O port 1EDH.
The LED can be turned off by writ ing a 0 to 1EDH.

2.17 Mouse Interface

Power is applied to the Mouse via the connector at J19. An adapter cable, CBL-225-1 is

available from WinSystems to adapt to a conventional PS/2 mouse connector. The pinout
for J19 is shown here.

J19

MSDATA

1 o

N/C

2 o

GND

3 o

VCC

4 o

MSCLK

5 o

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2.18 CPU Speed Selection

CPU Speed Select
Jumpers J13 and J14

J13

6 o o 5
4 o o 3
2 o o 1

J14

1 o o 2

The PCM- 586 uses a Crystal controlled frequency synthesizer to control the CPU
clock rate. The jumper block at J13 allows for the selection of any 8 CPU base clock
frequencies ranging from 4 to 50 Mhz.

The table below gives all of the possible base CPU clock speeds available by jumpering
J13.

CPU

Speed

J13

1-2

J13

3-4

J13

5-6
4 Mhz ON ON ON
8 Mhz OFF ON ON

16 Mhz ON OFF ON
20 Mhz OFF OFF ON
25 Mhz ON ON OFF

33 Mhz (De fault) OFF ON OFF

40 Mhz ON OFF OFF
50 Mhz OFF OFF OFF

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2.18.1 Clock Multiplier Select

The CPU actually runs at a multiple of the base oscillator frequency. The jumper block

at J14 allows selection as shown here :

J14

1 o o 2

x3

J14

1 o o 2

x4 (Default)

NOTE : WinSystems warrants the operation and reliability of the PCM-586­133 only in the 33x4 mode. Any other jumpering may not result in reliable
operation.

2.19 Jumper/Connector Summary

Jumper/ De scrip tion Page Ref er ence

Con nec tor

J1 Speaker In ter face 2-7

J2 Watch dog Timer Con figu ra tion Jumper 2-9

J3 Floppy I/O Con nec tor 2-8

J4 Multi I/O Con nec tor 2-13

J5 IDE I/O Con nec tor 2-8

J6 Mas ter Bat tery En able Jumper 2-9

J7 Bat tery Backup En able 2-12

J8, J10 COM2 Con figu ra tion Jump ers 2-4, 2-6

J9, J11 COM1 Con figu ra tion Jump ers 2-3, 2-6

J12, J15 SSD De vice Con figu ra tion 2-11, 2-12

J13 CPU Speed Se lect Jumper 2-14

J14 Clock Mul ti plier Select Jumper 2-15

J16 PC/104-8 Con nec tor 2-7

J17 PC/104- 16 Con nec tor 2-7

J18 Power/Re set Con nec tor 2-10

J19 Mouse Con nec tor 2-13

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3 AWARD BIOS Configuration

3.1 General Information

The PCM- 586 comes equipped with a stan dard Award BIOS with Setup in ROM that
al lows us ers to mod ify the ba sic sys tem con figu ra tion. This type of in for ma tion is stored
in battery- backed CMOS RAM so that it re tains Setup in for ma tion when power is turned
off.

3.2 Entering Setup

To en ter setup, power on the com puter and press the DEL key im me di ate ly af ter the
mes sage “Press Del to En ter Setup” ap pears on the lower left of the screen. If the mes sage
dis ap pears bef ore you re spond and you still wish to en ter setup, re start the sys tem by
turn ing it OFF and then ON or by press ing the RE SET but ton, if so equipped, or by
press ing the CTRL, ALT and DEL keys si mul ta ne ously. Al ter nately, un der cer tain er ror
con di tions of in cor rect setup the mes sage :

“Press F1 to con tinue or DEL to En ter Setup”

may ap pear. To En ter Setup at that time, press the DEL key. To at tempt a boot,
ig nor ing the er ror con di tion press the F1 key.

3.3 Setup Main Menu

The main menu screen is dis played on the fol low ing page. Each of the op tions will be
dis cussed in this sec tion. Use the ar row keys to high light the de sired se lec tion and press
EN TER to en ter the sub- menu or to exe cute the func tion se lected.

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ROM ISA BIOS (97061700)
CMOS SETUP UTILITY
AWARD SOFTWARE, INC.

STANDARD CMOS SETUP PASSWORD SETTING
BIOS FEATURES SETUP IDE HDD AUTO DETECTION
CHIPSET FEATURES SETUP SAVE & EXIT SETUP
LOAD BIOS DEFAULTS EXIT WITHOUT SAVING
LOAD SETUP DEFAULTS

Esc : Quit :Select Item
F10 : Save & Exit Setup (Shift) F2 : Change Color

Time, Date. Hard Disk, Type...

↑ ↓ → ←

3.4 Standard CMOS Setup

The items in the Stan dard CMOS Setup menu are di vided into sev er al cate go ries.
Each cate gory may in clude one or more setup items. Use the ar row keys to high light the
item and then use the PgUp, PgDn, +, -, keys to se lect the de sired value for the item.

Date

The date for mat is <day>, <date>,<month>,<year>

day = The day, from Sun to Sat, de ter mined by the BIOS and is dis play only.

date = The date, from 1 to 31 (or the maxi mum for the cur rent month)

month = The month, Jan through Dec

year = The year, from 1900 to 2099

Time

The time for mat is <hour><minute><sec ond>. The time is cal cu lated on the 24- hour
military- time clock, such that 1:00PM is 13:00:00.

021402 OPERATIONS MANUAL PCM-586 Page 3-2

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ROM ISA BIOS (97061700)
STANDARD CMOS SETUP
AWARD SOFTWARE, INC.

Date (mm:dd:yy) : Wed, Feb 25 1999
Time (hh:mm:ss): 13 : 28 : 46

CYLS HEADS PRECOMP LANDZONE SECTORS MODE

Drive C : Auto ( 0Mb) 0 0 0 0 0 AUTO
Drive D: None ( 0Mb) 0 0 0 0 0 ————

Drive A : 1.44M, 3.5 in
Drive B: None

Video : EGA/VGA
Halt On : No Errors

Base Memory : 640K
Extended Memory : 64512K
Other Memory : 384K

Total Memory: 65536K

ESC : Quit : Select Item PU/PD/+/- : Modify
F1 : Help (Shift) F2 : Change Color

↑ ↓ → ←

Drive C: type/Drive D: type

This cate gory iden ti fies the type of hard disk C: or hard disk D: that have been

in stalled in the sys tem. There are 46 pre de fined types and a user de fin able type. Types 1­46 are pre de fined as shown in the fol low ing ta ble.

Type Size Cyl in ders Heads Sec tors Pre comp Land zone

1 10 306 4 17 128 305
2 20 615 4 17 300 615
3 30 615 6 17 300 614
4 62 940 8 17 512 940
5 46 940 6 17 512 940
6 20 615 4 17 None 615
7 30 462 8 17 256 511
8 30 733 5 17 None 733

9 112 900 15 17 None 901
10 20 820 3 17 None 820
11 35 855 5 17 None 855
12 49 855 7 17 None 855
13 20 306 8 17 128 319
14 42 733 7 17 None 733
15 Re served

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Type Size Cylinders Heads Sectors Precomp Landzone

16 20 612 4 17 0 663
17 40 977 5 17 300 977
18 56 977 7 17 None 977
19 59 1024 7 17 512 1023
20 30 733 5 17 300 732
21 42 733 7 17 300 732
22 30 306 5 17 300 733
23 10 977 4 17 0 336
24 40 1024 5 17 None 976
25 76 1224 9 17 None 1023
26 71 1224 7 17 None 1223
27 111 1224 11 17 None 1223
28 152 1024 15 17 None 1223
29 68 1024 8 17 none 1023
30 93 918 11 17 None 1023
31 83 925 11 17 None 1023
32 69 1024 9 17 none 926
33 85 1024 10 17 None 1023
34 102 1024 12 17 None 1023
35 110 1024 13 17 None 1023
36 119 1024 14 17 None 1023
37 17 1024 2 17 None 1023
38 136 1024 16 17 None 1023
39 114 918 15 17 None 1023
40 40 820 6 17 None 820
41 42 1024 5 17 None 1023
42 65 1024 5 26 None 1023
43 40 809 6 17 None 852
44 61 809 6 26 None 852
45 100 776 8 33 None 775
46 203 684 16 38 None 685

Press PgUp or PgDn to se lect a num bered hard disk type, or type the number and
press En ter. Most manu fac tur ers sup ply hard disk in for ma tion with their drives that can
be used to help iden tify the proper drive type. Mod ern IDE drives sel dom fall into the
pre de fined types and are usu ally best han dled with the “user” de fined types. The “user”
mode al lows for ei ther man ual or auto mat ic en try of the drive pa rame ters, via the setup
op tion “IDE Auto De tect”.

If you de cide to cre ate the user type manu ally, you must sup ply the re quired
pa rame ters as to Cyl in der count, Head count, Pre comp Cyl in der, Land ing Zone Cyl in der,
and number of sec tors per track.

On fixed disks larger than 528MB it will also be nec es sary to choose the Logi cal Block
Ad dress ing (LBA) mode if you wish the drive to be ac ces si ble as a sin gle drive let ter.

If there is no hard disk in stalled, be sure to se lect type “none”.

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Drive A : type/Drive B : type

This cate gory iden ti fies the type of floppy drives at tached as Drive A : or Drive B :. The

available choices are :

NONE
360K, 5.25 in.

1.2M, 5.25 in.
720K, 3.5 in.

1.44M, 3.5 in.

2.88M, 3.5 in.

Note that the stan dard PCM- 586 board does not sup port the 2.88M floppy drives. If

2.88M floppy sup port is re quired, con tact your Win Sys tems Ap pli ca tions En gi neer to
in quire about this op tion.

Video

This cate gory speci fies the type of video adapter used for the pri mary sys tem moni tor

that matches your video dis play board and moni tor. The avail able choices are :

EGA/VGA
CGA40
CGA80
MONO

It is rec om mended that if no dis play card is pres ent that EGA/VGA be cho sen.

Er ror Halt

This cate gory de ter mines whether the sys tem will halt if a non fa tal er ror is de tected

dur ing power up self test. The available choices are :

No Er rors : The sys tem will not be stopped for any er ror that may be de tected.

All Er rors : When ever the BIOS de tects a non fa tal er ror the sys tem will be stopped and a prompt will

ap pear.

All, but Key board : The sys tem will not stop for a key board er ror, it will stop for all other er rors.

All, but Disk ette : The sys tem will not stop on Disk er rors. All others will be ig nored.

All, but Disk/Key : All er rors ex cept disk and key board will re sult in a halt and a prompt.

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Memory

This cate gory is dis play only and is de ter mined by the BIOS POST (Power On Self
Test).

Base Memory

The POST rou tines in the BIOS will de ter mine the amount of base (or con ven tional)
mem ory in stalled in the sys tem. The value of the base mem ory is typi cally 640K for
sys tems with a Mega byte or greater of RAM in stalled.

Ex tended Memory

The BIOS de ter mines how much ex tended mem ory is pres ent dur ing the POST. This
is the amount of mem ory lo cated above 1MB in the CPU’s mem ory ad dress space.

Other Memory

This re fers to mem ory lo cated in the 640K to 1024K ad dress space. This is mem ory
that can be used for dif fer ent ap pli ca tions. DOS may use this area to load de vice driv ers
and TSRs to keep as much base mem ory free as pos si ble for ap pli ca tion pro grams. The
most com mon use of this area is for Shadow RAM.

3.5 BIOS Features Setup

Vi rus Warning

This op tion when en abled, pro tects the boot sec tor and par ti tion ta ble of the hard disk
against un au thor ized writes through the BIOS. Any at tempt to al ter these ar eas will
re sult in an er ror mes sage and a prompt for authori za tion of the ac tiv ity.

CPU Internal Cache

This option, when enabled, provides maximum performance by caching instructions
and data using the on-chip cache of the 586 processor.

Quick Power On Self Test

This op tion when en abled, speeds up the POST dur ing power up. If it is en abled, the
BIOS will shorten and/or skip some test items dur ing POST.

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ROM ISA BIOS (97061700)
BIOS FEATURES SETUP
AWARD SOFTWARE, INC.

Virus Warning : Disabled Video BIOS Shadow : Enabled
CPU Internal Cache : Enabled C8000-CFFFF Shadow : Disabled
Quick Power On Self Test : Disabled D0000-DFFFF Shadow : Disabled
Boot Sequence : A,C
Swap Floppy Drive : Disabled Console Type : KB/Video
Boot Up Floppy Seek : Disabled Console Serial Port : COM2
Boot Up NumLock Status : Off Console Buad Rate : 38400Bps
Primary Serial Port : Enabled
Gate A20 Option : Fast Secondary Serial Port : Enabled
Typematic Rate Setting : Disabled Parallel Port IRQ7 : Enabled
Typematic Rate (Chars/Sec) : 6
Typematic Delay (Msec) : 250
Security Option : Setup

ESC : Quit : Select Item
F1 : Help PU/PD/+/- : Modify
F5 : Old Value (Shift) F2 : Color
F6 : Load BIOS Defaults
F7 : Load Setup Defaults

↑ ↓ → ←

Boot Sequence

This op tion de ter mines the boot at tempt se quence for the fixed disk and floppy disk.
The available choices are :

C :, A : Sys tem will at tempt Hard disk boot first
A :, C : Sys tem will at tempt Floppy disk boot first

Swap Floppy Drive

This op tion al lows for swap ping of the A : and B : floppy drives with out ac tu ally

re lo cat ing the drives on the ca ble.

Boot Up Floppy Seek

Dur ing Post, when this op tion is en abled, the BIOS will de ter mine if the floppy drive is

40 tracks or 80 tracks. If dis abled, no seek test will be per formed and no er ror can be
re ported.

Boot Up Num lock Status

This al lows user se lec tion of the Num lock state at boot time.

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Gate A20 Option

This option allows for the selection of the source for the gate A20 signal. The choices
are:

NOR MAL

FAST

Type matic Rate Setting

This en ables or dis ables type matic rate pro gram ming at boot time. Type matic is the
auto- repeat func tion for the key board.

Type matic Rate

When the type matic rate set ting is en abled, the type matic re peat speed is set via this
op tion. The sup ported rates are :

6 char ac ters per sec ond

8 char ac ters per sec ond

10 char ac ters per sec ond

12 char ac ters per sec ond

15 char ac ters per sec ond

20 char ac ters per sec ond

24 char ac ters per sec ond

30 char ac ters per sec ond

Type matic Delay

When type matic rate set ting is en abled, this op tion speci fies the time in mil li sec onds
bef ore auto- repeat be gins. The sup ported val ues are :

250mS

500mS

750mS

1000mS

Se cu rity Option

This op tion al lows you to limit ac cess to the sys tem and setup, or just to setup. The
choices are :

Sys tem - The sys tem will not boot and ac cess will be de nied if the cor rect pass word is not en tered at the
prompt.

Setup - The sys tem will boot, but ac cess to Setup will be de nied if the cor rect pass word is not en tered at
the prompt.

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NOTE : To dis able se cu rity, se lect “Pass word Set ting” at the Setup Main Menu and
then you will be asked to en ter a pass word. Do not type any thing, just hit EN TER. Once
the se cu rity is dis abled, the sys tem will boot and you can en ter Setup freely.

Shad ow ing Options

When shad ow ing for a par ticu lar ad dress range is en abled, it in structs the BIOS to
copy the BIOS lo cated in ROM into DRAM. This shad ow ing from an 8- bit EPROM into
fast 16- bit DRAM re sults in a sig nifi cant per form ance in crease. The main BIOS is
shad owed auto mati cally but there are other ar eas that may be se lected for shad ow ing.
The ar eas avail able for shad ow ing are shown here :

Video BIOS Shadow - C000- C7FFF EGA/VGA BIOS ROM

C8000- CFFFF

D0000- DFFF

Con sole Type

This option allows for selection of Video Console type. The available choices are :

Video/Key board only

Se rial only

Dual

Console Serial Port

This option allows for the selection of the Console Serial Port. The available

Choices are :

COM 1

COM 2

Con sole Baud Rate

This option allows for the selection of the Console Baud rate. The available choices are
:

1200 Bps

2400 Bps

4800 Bps

9600 Bps

19200 Bps

38400 Bps

57600 Bps

115200 Bps

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Pri mary Se rial Port

This option, when disabled, turns off the com port at 3F8H and allows access to IRQ4

on the PC/104 Bus. The avaialable choices are :

En able
Dis able

Secondary Serial Port

This option, when disabled, turns off the com port at 2F8H and allows access to IRQ3

on the PC/104 Bus. The available choices are :

En able
Dis able

Par al lel Port IRQ7

This option, when enabled, connects IRQ7 to the onboard parallel port. When disabled

IRQ7 is available on the PC/104 Bus. The available choices are :

En able
Disable

3.6 Chipset Features Setup

The op tions in this sec tion con trol the chipset pro gram ming at boot time. In most

cases, the de fault set tings should be used un less you have a clear un der stand ing of the
sig nifi cance of the change. It is pos si ble us ing these op tions to cre ate a sys tem that will
ei ther not boot at all or is very un sta ble or un re li able. If this should oc cur, there are two
al ter na tives to re turn the sys tem to a sta ble con figu ra tion. If the sys tem works well
enough to get into setup, sim ply choose the “Load BIOS De faults” op tion and then “Save
and Exit Setup” to re store to fac tory de faults. If the sys tem will not run well enough to
enter setup, it will be nec es sary to re move the bat tery source tem po rar ily. Ref er to sec tion

2.12 for de tails on re ini tial iz ing the CMOS RAM.
Each of the op tions for the Chipset Fea tures Menu will be briefly dis cussed in the

pages that fol low.

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ROM PCI/ISA BIOS (97061700)
CHIPSET FEATURES SETUP
AWARD SOFTWARE, INC.

AT Bus Clock Selecton :8.00MHz
RAS Timeout : Enabled
Shadow RAM Cacheable : Disabled
RAS Precharge Timing : 2T
RAS to CAS Write Delay : 2 Cycles
CAS Write Precharge Time : 1 Cycle
CAS Read Cycle Witdh : 1T
CAS Write Cycle Witdh : 1T
CAS to RAS Read Delay : 2 Cycles
CAS Read 2 cyc. Precharge : Disabled
AT Bus 0-wait 8-bit : Disabled
AT Bus 0-wait 16-bit : Disabled
AT Bus Hold : Disabled
I/O Recovery : Disabled
8-Bit I/O Recovery time : 0.000 uS
16-Bit I/O Recovery time : 0.000 uS
ISA Extra Wait State : Disabled
Add 1 Wait on ISA/DRAM : Disabled

ESC : Quit : Select Item
F1 : Help PU/PD/+/- : Modify
F5 : Old Value (Shift) F2 : Color
F6 : Load BIOS Defaults
F7 : Load Setup Defaults

↑ ↓ → ←

AT Bus Clock

This option sets the speed of the AT Bus in terms of the CPU clock speed (PCLK2) or at

a fixed speed of 7.16Mhz. The available choices are :

3.30Mhz

8.00Mhz
CLKSRC/5
CLKSRC/3
CLKSRC/2.5
CLKSRC/1.5
CLKSRC
CLKSRC/4
CLKSRC/2

RAS Timeout

This option, when enabled, adds a wait state to the RAS cycle time. We recommend it

is left enabled to ensure DRAM integrity.

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Shadow RAM Cacheable

This op tion, when en abled, allows shadow area to be cacheable.

NOTE : Certain diagnostics may fail or lockup with Shadow RAM cached.

RAS Precharge Timing

Number of clocks RAS is high before a write. The available choices are :

2T
3T
4T
5T

RAS To CAS Write Delay

This op tion allows the number of clocks between RAS and CAS during a write. The

available choices are:

2 Cycle
3 Cycle

CAS Write Precharge Time

Num ber of clocks CAS is high bef ore a write. The available choices are :

1 Cy cle
2 Cycle

CAS Read Cycle Width

Number of clocks CAS is low during a read. The available choices are :

1T
2T
3T
4T

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CAS Write Cycle Width

Number of clocks CAS is high before a write. The available choices are :

1T
2T
3T
4T

CAS to RAS Read Delay

This op tion allows the number of clocks between CAS and RAS during a read. The

available choices are :

2 Cy cle
3 Cy cle

CAS Read 2 Cycle Precharge

This op tion, when en abled, adds 2 clocks to the second read.

AT Bus 0-Wait 8-Bit

This option, when disabled, adds 1 wait state, when enabled adds 0 wait states.

AT Bus 0-Wait 16-Bit

This option, when disabled, adds 1 wait state, when enabled adds 0 wait states.

AT Bus Hold

This option, when enabled, holds data for 1 clock cycle, disabled holds for 0 clock

cycles.

I/O Recovery

This option, when enabled, selects an I/O recovery time from the next 2 setup options.

The default is disabled.

8-Bit I/O Recovery Time

0.000 uS

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0.250 uS

0.625 uS

1.125 uS

1.625 uS

2.125 uS

2.635 uS

3.125 uS

16 Bit I/O Recovery Time

0.000 uS

0.250 uS

0.625 uS

1.125 uS

1.625 uS

2.125 uS

2.635 uS

3.125 uS

ISA Extra Wait State

This option, when enabled, adds one additional clock to the ISA Bus cycle. The choices

are :

En able
Dis able

Add 1 Wait on ISA DRAM

This option, when enabled, adds one clock to ISA memory. The choices are :

En able
Dis able

3.7 Load BIOS Defaults

This main- menu op tion will cause the CMOS to be loaded with the de fault val ues

as signed by the fac tory. These are usu ally con sid ered conservative val ues and do not
nec es sar ily rep re sent the high est per form ance val ues.

3.8 Load Setup Defaults

This op tion will cause the CMOS to be loaded with the de fault Setup val ues as signed

by the fac tory. These are usu ally val ues that were de ter mined to give a higher level of
per form ance along with re li able op era tion.

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3.9 Password Setting

This op tion al lows the set ting of the se cu rity pass word. Press ing En ter at the

pass word prompt dis ables the se cu rity func tion com pletely.

3.10 IDE HDD Auto Detection

This func tion al lows mod ern IDE fixed disks to be used to their maxi mum po ten tial by
in ter ro gat ing the drive as to its pref erred con figu ra tion of tracks, heads, and sec tors and
auto mati cally load ing these pa rame ters into a “user de fined” hard disk type.

3.11 Save & Exit Setup

This func tion writes all changes to CMOS RAM and re starts the sys tem.

3.12 Exit Without Saving

This op tion ex its setup with out sav ing any changes made and then re starts the
system.

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4 PCM-586 Silicon Disk Reference

4.1 Introduction

Win Sys tems pro vides Sili con disk sup port for the PCM- 586 us ing four dif fer ent me dia
types de pend ing on the needs of the ap pli ca tion.

1. The PCM- 586 pro vides sup port for a boota ble ROM DISK with a size of up to 1
Mega byte. A sim ple disk im ag ing tech nique al lows for the easy crea tion and main te nance
of ROM DISKs. Since the boota ble ROM DISK is an ex act im age of a boota ble floppy
disk ette, all test ing and de bug ging can be ac com plished us ing a floppy drive. Once the
ap pli ca tion is ready for ROM, it’s a sim ple mat ter to use the MKDISK util ity to cre ate the
EPROM files nec es sary for the boota ble ROM DISK equiva lent of the func tion ing floppy
disk ette.

2. In ap pli ca tions re quir ing oc ca sional pro gram or data up dates, PEROM (Flash)
disks of 512K bytes may be used as the boot me dia. On board sup port is pro vided for the
for mat ting, read ing, and writ ing of the Floppy drive emu lat ing PEROMs.

3. For ap pli ca tions need ing to log data, up date the ap pli ca tion, or for con ven ience
dur ing de vel op ment, bat tery-backed SRAM may be used as the boot m edia with a size of
512K bytes.

4. The PCM- 586 sup ports the M- Systems Disk On Chip de vice (DOC). These are sin gle
chip de vices con tain ing the BIOS Ex ten sion, True Flash File Sys tem (TrueFFS), and a
Flash ar ray rang ing in size from 2 Mega byte to 72 Mega bytes. These de vices emu late a
Hard disk at the BIOS level.

4.2 ROMDISK Usage

MKDISK is a menu driven util ity for cre at ing the ROM im age du pli cat ing the desired

floppy disk ette. MKDISK is in voked at the DOS com mand line with :

MKDISK

Se lect the USSD mode from menu number 1. The other menu op tions are used with
other Win Sys tems Sili con Disk sys tems and are NOT com pati ble with the PCM- 586
board.

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MKDISK - Solid State RomDisk Creation Utility V6.00
(C) 1988-1994, WinSystems Inc.

SELECT SSD TYPE

Paged Memory Mode (SSD-XT)
Extended Memory Mode (SSD-AT)
V53 Expanded Memory Mode
I/O Mapped Silicon Disk (USSD)
sx386 On Board ROMDISK
SBC53sx Expanded Memory Mode
SAT-V40 Expanded Memory Mode

Use arrow keys and ENTER to make your selection.

MKDISK - Main Menu

From menu number 2 se lect the ap pro pri ate source disk size and type.

MKDISK - Solid State RomDisk Creation Utility V6.00
(C) 1988-1994, WinSystems Inc.

SELECT SOURCE DISK TYPE

160 KB 5 1/4 Single Sided 8 Sectors 40 tracks
180 KB 5 1/4 Single Sided 9 Sectors 40 tracks
320 KB 5 1/4 Double Sided 8 Sectors 40 tracks
360 KB 5 1/4 Double Sided 9 Sectors 40 tracks
720 KB 3 1/2 Double Sided 9 Sectors 80 tracks
720 KB 5 1/4 Double Sided 9 Sectors 80 tracks
954 KB 3 1/2 Double Sided 9 Sectors 53 tracks
960 KB 5 1/4 Double Sided 15 Sectors 64 tracks

1.2 Meg 5 1/4 Double Sided 15 Sectors 80 tracks

1.4 Meg 3 1/2 Double Sided 18 Sectors 80 tracks

Use arrow keys and ENTER to make your selection.

MKDISK - Drive type Menu

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MKDISK - Solid State RomDisk Creation Utility V6.00
(C) 1988-1994, WinSystems Inc.

SELECT SOURCE DRIVE

Drive A

Drive B

Use arrow keys and ENTER to make your selection.

MKDISK - Drive Menu

Se lect the source drive as ap pro pri ate.

MKDISK - Solid State RomDisk Creation Utility V6.00
(C) 1988-1994, WinSystems Inc.

SELECT ROM SIZE

32K X 8 ROM (27C256 type)
64K X 8 ROM (27C512 type)
128K X 8 ROM (27C010 type)
256K X 8 ROM (27C020 type)
512K X 8 ROM (27C040 type)
1M X 8 ROM (27C080 type)

Use arrow keys and ENTER to make your selection.

MKDISK - ROM type Menu

From menu number 4 se lect the ap pro pri ate EPROM size for the ROM DISK. EPROM
sizes smaller than 512K are not us able with the PCM- 586 but are pro vided as choices
with other sili con disk de vices.

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MKDISK - Solid State RomDisk Creation Utility V6.00
(C) 1988-1994, WinSystems Inc.

SELECT OUTPUT FILE TYPE

Binary Image Files

Hex ROM Image Files

S-Record ROM image files

Use arrow keys and ENTER to make your selection.

MKDISK - Output Menu

From menu number 5, se lect the ap pro pri ate ROM im age file for mat that your

EPROM pro gram mer ac cepts. Se lect ing the Bi nary ROM im age file for mat will re sult in
the small est files. MKDISK will then read the speci fied floppy disk ette and cre ate a
ROMx.HEX or ROMx.S19 where x is the ROM number in the se quence (start ing with 1)
and the ex ten sion (.BIN, .HEX, .S19) in di cates the out put for mat for Bi nary, Hex, and
Mo torola re spec tively.

If more than one file is cre ated, it means that the disk will span more than a sin gle

EPROM. Once the ROM has been cre ated us ing the im age file, in stall the ROM, jumper
for cor rect ROM size, and en able the Sili con Disk boot op tion. The next power up should
re sult in a boot from the A : Sili con Disk. The ac tual floppy drive (if pres ent) will then be
avail able as drive B :.

4.3 Bootable RAMDISK usage

The PCM- 586 sup ports a boota ble RAM DISK of 512K bytes in size. A 512K X 8 Static

RAM/PEROM can be in stalled in the board at U3. Once the RAM/PEROM is in stalled, the
de vice jump ers should be ap pro pri ately set as de scribed in sec tion 2.15. Af ter power up, it
is nec es sary to con fig ure the sili con disk for the ac tual size of the drive us ing the SSDINIT
util ity. SSDINIT is in voked at the DOS com mand line with :

SSDINIT [A: | B: ] disk_size[K | M]

The K or M ar gu ments are op tional and are ac tu ally ig nored. Val ues be low 32 are

as sumed to be in Mega bytes while val ues above 32 are ass umed to be in Ki lo bytes. An
ex am ple might help to clar ify. To pre pare a 512K FLASH or SRAM disk for for mat ting
type :

SSDINIT B: 512K

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The disk is now pre pared for for mat ting. The sys tem must be re booted prior to
for mat ting with the sim ple DOS com mand :

for mat b: /s/u

Af ter the next re set the for mat ted sili con disk will boot as the A: drive. If it is ever
nec es sary to by pass the sili con disk boot in or der to re for mat or to boot the ac tual floppy
drive, or the hard disk, sim ply press the <CTRL><ALT><LSHIFT> keys si mul ta ne ously
im me di ate ly fol low ing dis play of the BIOS con figu ra tion BOX. The mes sage :

Sili con Disk Boot Aborted by User

will be dis played and the sys tem will boot from one of the avail able boot drives.

IM POR TANT NOTE : The FLASH DISK is fully write able at all times but is not
rec om mended for con tinu ous up dat ing or data log ging. The on board BIOS im ple ments a
sim ple FAT based file sys tem (iden ti cal to a floppy disk) with no wear lev el ing
im ple mented. The PEROMs can and will wear out with ex ces sive write cy cles. AT MEL
speci fies at least 10,000 write cy cles.

4.4 Non-Bootable RAMDISK Usage

A non- bootable RAM DISK is of ten de sired in con junc tion with ro ta tional me dia. It can
then be used for pro gram up dates, pa rame ter stor age, or data log ging ap pli ca tions. A
non boota ble RAM DISK uses the Win Sys tems Uni ver sal Solid State Disk Driver (USSD)
which is loaded via the boot me dia’s CON FIG.SYS file with the en try :

de vice = ussd.sys /mod:p /pad:1ec /seg:e800 /psz:32 /inc:1 /spg:80 /dsz:512

where the 512 in /DSZ:512 is the size of the disk in Ki lo bytes and the 80 in the /SPG:80
is the start ing page ad dress in the ar ray for this sili con disk. This hexa deci mal value is
ac tu ally the count of 32K byte blocks pre ced ing the start of the RAM DISK.

NOTE : USSD, as is the con ven tion with DOS instal la ble disk de vices, cre ates a drive
with the NEXT AVAIL ABLE drive let ter. Drives A: and B: are al ways re served for the
physi cal floppy drive or the BIOS sup ported boota ble Sili con Disk. In a sys tem with out a
hard disk, the next avail able drive let ter would be C:. In a sys tem with one or more hard
drive par ti tions, the sili con disk cre ated with USSD will be the first avail able let ter
fol low ing any other drive let ters al ready in use. Also note, that it is never nec es sary to
for mat a disk cre ated with USSD. The disks are self for mat ting us ing the size and ad dress
in for ma tion pro vided on the CON FIG.SYS in vo ca tion line. Dur ing ini tiali za tion, USSD
ex am ines the sili con disk to de ter mine if a disk al ready ex ists which matches the
pa rame ters speci fied. If so, no ac tion is taken and the disk is used as is. If there is not a
disk of the type and size speci fied, it is cre ated.

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4.5 Non-Bootable Flash Disk Usage

The AT MEL 5 volt Flash Part (29C040/29C040A) may also be used as a non- bootable

drive in a man ner nearly iden ti cal to the RAM DISK us age de scribed in the pre vious
sec tion. The only change when us ing USSD for the AT MEL PEROMs is the ad di tion of the
/EPT:256 pa rame ter to the CON FIG.SYS line which in stalls the USSD driver. An
ex am ple us ing the 512K PEROM de vice would need the line :

de vice = ussd.sys /mod:p /pad:1ec /seg:e800 /psz:32 /inc:1 /spg:80 /dsz:512 /ept:256

in the CON FIG.SYS file on the floppy or hard disk. This in vo ca tion will cre ate a 512K

Flash disk in U3. Ref er to the pre vious sec tion on non- bootable RAM DISK us age for
ad di tional de tails re gard ing the USSD driver.

4.6 DiskOnChip Usage

The PCM- 586 sup ports the M- System’s Disk On Chip (DOC) Flash de vice in sizes

rang ing from 2MB to 72MB. The DOC de vice con tains a BIOS ex ten sion, the TrueFFS
(True Flash File Sys tem), and the flash mem ory all in a sin gle 32- pin de vice. The DOC,
un like the other Win Sys tems SSD sup port for the PCM- 586, emu lates a hard disk rather
than a floppy disk. The DOC can be used as a sec on dary hard disk to a physi cal IDE drive
or it can be the only hard disk in the sys tem.

The DOC is in stalled into the socket at U3. Ref er to Sec tion 2.15 for cor rect de vice

jump er ing and ena bling of the DOC.

4.6.1 DOC Initialization

The DOC is ini tial ized in an iden ti cal fash ion to a fixed disk. DOS is booted (from

floppy or hard disk), FDISK is run on the DOC drive (be sure to get the right drive), the
sys tem is re booted and then the DOC is for mat ted us ing the DOS for mat com mand.

If the /S switch was used dur ing for mat ting and there is no other fixed disk de vice

speci fied or at tached to the sys tem, the DOC will be come the boot de vice. If a hard disk is
pres ent, the DOC will be come a sec on dary fixed disk.

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5

SERIAL CONSOLE REFERENCE

5.1 Introduction

This section documents the usage of the WinSystems Serial Console feature present
on the PCM-586 board. The serial console consists of special BIOS code and a special
terminal program used to communicate with the board. The principal design criteria for
the serial console was the ability to access the AWARD CMOS setup options without the
need for a standard keyboard or video adapter and monitor. This allows embedded system
designers and technicians access to CMOS setup on the PCM-586 using only a laptop
computer.

5.2 Wincom.exe Serial Console Client

Wincom.exe is the application run on the laptop or other 100% PC compatible in order
to access the PCM-586. The client is started on the DOS command line with :

WIN COM port in ter rupt baud_rate

'port' is re placed with the I/O port ad dress of the de sired com port in hex. i.e. 3F8 for
COM1 and 2F8 for COM2. This al lows for the us age of non stan dard ad dresses for COM
ports.

'i nte rrupt' is re placed with the IRQ number as signed to the de sired COM port
typi cally the val ues would be 4 for COM1 and 3 for COM2.

‘Baud_rate’ is re placed with one of the fol low ing val ues

1200

2400

4800

9600

19200

38400

57600

115200

which is the baud_rate to use for the connection. Higher baud_rates mean snappier
response but may be limited due to the client PC. The best compromise for speed and
reliability in testing was 38400. The baud_rate MUST be matched to the “Console Baud
Rate” selected in CMOS setup (discussed later) in order for the systems to communicate.

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NOTE : WINCOM runs best in a pure DOS environment. It is possible to use

WINCOM in a DOS box under Windows 95 but there are a few limitations to doing so and
success is not always a sure thing due to differences in low-level hardware drivers. It is
recommended that a DOS boot-floppy be made containing Wincom.exe which can be used
when access to the PCM-586 is desired.

When run in a “pure” DOS environment, all keys and key combinations are passed

directly to the target PCM-586 such that even the infamous three-finger-salute
<CTL><ALT><DEL> will result in the target system performing a warm reboot. There,
are however, three keystroke combinations reserved by WINCOM.

<ALT><END> Exits WINCOM back to DOS
<ALT><PgUp> Prompts for upload filename. (Used in conjunction with scopy.exe)
<ALT><PgDn> Prompts for download filename.(Used in conjunction with scopy.exe)

5.3 Getting Started with the Serial Console

The PCM-586 defaults to a standard video/keyboard configuration. In order to gain

access to the system the first time the following steps must be followed.

1. Copy WINCOM.EXE onto a DOS boot disk for the client (terminal) machine.

2. Attach a Null-Modem cable between COM1 of the PCM-586 and a free COM port on

the client machine.

3. Boot up the client machine and run Wincom.exe
if attached to COM1 on the client type:

win com 3f8 4 38400 <En ter>

if attached to COM2 on the client, type:

win com 2f8 3 38400 <En ter>

4. Wait for wincom to finish initializing and the screen to clear. A totally blank screen

is perfectly normal at this point.

5. Apply power to the PCM-586. The BIOS should sense a WINCOM attachment to it's

COM1 port and turn on the serial console for that port at the default rate of 38400 baud.

6. The sign-on messages should be visible on the client screen. Press <DEL> during

the memory test to access CMOS setup.

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7. Make whatever changes are required in “Setup”. If permanent serial console access
is desired go to the BIOS features screen and select the desired mode, COM port and baud
rate. Refer to the next section for details on selecting these items.

8. Exit CMOS setup, saving the changes as desired.

5.4 Serial Console Setup

In the “BIOS Features” of the CMOS setup are several options relating to usage of the

serial console feature. Each of these options will be discussed in the paragraphs to follow.

5.4.1 Console Type

This selection allows selection of the console type. The available choices are :
KB/Video (Default) Standard video display and keyboard input.

Serial Video output is routed to the serial port, keyboard input comes from serial port.
DualVideo output is routed both to the serial port and to the display adapter.
Keyboard input can come from either the serial port or a connected keyboard.

5.4.2 Console Serial Port

This selection allows for the choice of serial port to be used for console I/O. Is

“KB/Video” is chosen for the “Console Type” this selection has no meaning.

The available selections are :
COM1 The COM1 port is used 93F8, IRQ4

COM2 The COM2 port is used 92F8, IRQ3

5.4.3 Console Baud Rate

This option allows for selection of the baud rate to be used in connecting with

WINCOM on a client PC. The available choices are.

1200Bps
2400Bps
4800Bps
9600Bps
19200Bps
38400Bps
57600Bps

021402 OPERATIONS MANUAL PCM-586 Page 5-9

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115200Bps
Factory testing shows that the best tradeoff between speed and reliability with most

PC clients is 38400.

5.5 Copy Files using the Serial Console

Besides being useful for accessing the CMOS setup menu, the serial console can be

used effectively with non-graphic based DOS applications. Standard file operations
including Fdisk, format, copy, etc. can all be accessed through the serial console.

The serial console can also be used in conjunction with the “SCOPY.EXE” utility to

provide the ability to serially upload or download applications and/or data from the PCM­586 to the client PC and vice versa.

To use SCOPY it must already be present on a disk currently accessible to the PCM-

586. SCOPY is invoked at the DOS command line on the PCM-586 with the command :

scopy [ com1 | com2 ] [-rq | -sq] file name

The first argument must be the COM port in use. This should match the COM port

used by the PCM-586 for serial console operations, i.e. COM1 or COM2

The next argument is the direction flag '-rq' indicates a desire to have the PCM-586

receive a file, a direction flag of '-sq' indicates that the PCM-586 will send a file.

The last argument is the name of the file to be sent or the name with which to save the

file to be received.

A couple of examples illustrate the usage. In this first case, we wish to send ourrevised

application, called “APP.EXE”, to the PCM-586. We are currently connected to the serial
console using COM2 on the PCM-586. To initiate the reception we type :

scopy com2 -rq app.exe

The reverse of this would be to retrieve a data file “APP.DAT” from the PCM-586 for

analysis. To start the upload we would type :

scopy com2 -sq app.dat

Once Scopy has been started on the PCM-586 we now need to tell Wincom to send or

receive a file. If we specified '-r' to Scopy we wanted the PCM-586 to receive and Wincom

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to send. This is called an “upload”. To start the upload we press <ALT><PgUp> on the
client keyboard and Wincom presents us with a prompt :

File to up load :

We type in the name of the file we're sending. The file must be in the current directory

on the client PC or else a path must be specified. In our previous upload example we type :

app.exe

Wincom responds with the message :

Send ing app.exe

And then begins a synchronization process with the PCM-586. Once they're

synchronized wincom presents a tally of records sent so far such as :

Send ing Re cord Num ber 000040

When the file transfer is complete. Wincom reports?

win com : File Trans fer Com plete

Scopy then reports on the result:

scopy : File trans fer com plete

As long as both parties agree, the file will arrive at the destination correctly. If there is

a problem either Wincom or Scopy will report that an error has occurred.

Downloading a file from the PCM-586 to the client PC is done in an identical matter

except that '-sq' is used with SCOPY and <ALT><PgDn> is used with WINCOM.

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6 APPENDIX A

I/O Port Map

The fol low ing is a list of PC I/O ports. Ad dresses marked with a '-' are not used on the
PCM- 586 but their use should be care fully quali fied so as not to con flict with other I/O
boards. I/O ad dresses marked with a '+' are used by the PCM- 586 board and are unique to
the Win Sys tems de sign. I/O Ad dresses marked with '**' are gen er ally un used and should
be the ba sis for the first choices in I/O ad dress se lec tion.

Hex Range Us age

000- 00F 8237 DMA #1

**0010- 01F FREE

020- 021 8259 PIC #1

+022- 023 M6117 Chipset Reg is ters

**024- 03F FREE

040- 043 8254 Timer

**044- 05F FREE

060- 06F 8042 Key board con trol ler

070- 071 CMOS RAM/RTC

**0072- 07F FREE

080- 08F DMA Page Reg is ters

**090- 09F FREE

0A0- 0BF 8259 PIC #2

0C0- 0CF 8237 DMA #2

**0E0- 0FF FREE

0F0- 0F1 Co proc es sor Con trol

0F2- 0F3 2089 Chipset Reg is ters

0F4- 1DF FREE

+1E0- 1EF Watch dog timer, SSD Con trol, SSD con figu ra tion, and LED

1F0- 1FF Fixed Disk I/O

-200- 20F Joy stick Port

-210- 21F PCM- SSD I/O Ports

-220- 22F Sound blas ter I/O Ports

**230- 237 FREE

-238- 23B BUS Mouse

**240- 277 FREE

278- 27F LPT1

**280- 2AF FREE

-2B0 -2DF EGA Video

-2E0 -2E7 GPIB In ter face

-2E8 -2EF COM4

**2F0- 2F7 FREE

2F8- 2FF COM2

-300- 31F Pro to type Card

-320- 32F XT Hard Disk

**330- 377 FREE

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-378- 37F Par al lel Printer

-380 -3AF SDLC

-3B0 -3BB MDA

-3C0 -3CF EGA Video

-3D0 -3DF CGA
**3E0- 3E7 FREE

-3E8 -3EF COM3
3F0- 3F6 Floppy Disk
3F8- 3FF COM1

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7 APPENDIX B

In ter rupt Map

No. Ad dress Type De scrip tion

0 00 CPU Di vide by 0

1 04 CPU Sin gle Step

386 De bug Ex cep tion

2 08 CPU NMI

3 0C CPU Break point

3 10 CPU Over flow

5 14 BIOS Print Screen

186 Bound Fault Ex cep tion

6 18 186 In va lid Op code Ex cep tion

7 1C 186 Co proc es sor un avail able

8 20 Hard ware IRQ0 - 18.2 Hz heart beat

286 LIDT - Dou ble fault ex cep tion

9 24 Hard ware IRQ1- Key board in ter rupt

286 Co proc es sor Seg ment

A 28 Hard ware IRQ2 - XT Re served, AT - Slaved Con trol ler

286 In va lid TSS ex cep tion

B 2C Hard ware IRQ3 - COM2

286 Seg ment not pres ent

C 30 Hard ware IRQ4 - COM1

286 Stack fault ex cep tion

D 34 Hard ware IRQ5 - XT Hard Disk, AT = LPT

286 Pro tec tion fault ex cep tion
E 38 Hard ware IRQ6 - Floppy Disk In ter rupt
386 Page fault ex cep tion
F 3C Hard ware IRQ7 - LPT1
10 40 BIOS Video BIOS func tions
286 Co proc es sor er ror ex cep tion
11 44 BIOS BIOS Equip ment check

486 Align ment check ex cep tion
12 48 BIOS Mem ory size func tion
13 4C BIOS BIOS Disk func tions
14 50 BIOS BIOS se rial func tions
15 54 BIOS Cas sette/Pro tected mode func tions
16 58 BIOS Key board BIOS func tions
17 5C BIOS BIOS Printer func tions
18 60 BIOS SROM Ba sic En try Point (IBM Only)
19 64 BIOS Boot loader func tion
1A 68 BIOS BIOS Time of Day func tions
1B 6C BIOS Key board break vec tor
1C 70 BIOS User chained timer tick
1D 74 BIOS Video Initialization

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1E 78 BIOS Floppy Disk pa rame ter ta ble
1F 7C BIOS CGA graphic char ac ter font
20 80 MS- DOS Pro gram ter mi nate
21 84 MS- DOS DOS func tion call
22 88 MS- DOS Ter mi nate Ad dress
23 8C MS- DOS Ctrl- Break exit ad dress
24 90 MS- DOS Fa tal Er ror Vec tor
25 94 MS- DOS Ab so lute disk read
26 98 MS- DOS Ab so lute disk write
27 9C MS- DOS Ter mi nate
28 A0 MS- DOS Idle sig nal
29 A4 MS- DOS TTY out put
2A A8 MS- DOS MS- NET serv ices
2F BC MS- DOS Print Spool
30 C0 MS- DOS Long jump in ter face
33 CC MS- DOS Mouse func tions
3F FC MS- DOS Over lay in ter rupt
40 100 BIOS Floppy I/O when fixed disk pres ent
41 104 BIOS Hard disk 1 pa rame ter ta ble
42 108 BIOS EGA Chain
43 10C BIOS EGA Pa rame ter ta ble pointer
44 110 BIOS EGA graph ics char ac ter font
4A 128 BIOS AT Alarm exit ad dress
50 140 BIOS AT alarm in ter rupt
51 144 BIOS Mouse func tions
5A 168 NET Func tions
5B 16C NET Boot chain
5C 170 NET Net BIOS En try
67 19C MS- DOS EMS Func tions
6D 1B4 VGA VGA Serv ice
70 1C0 Hard ware IRQ8 - Real time clock
71 1C4 Hard ware IRQ9 - Re di rected IRQ2
72 1C8 Hard ware IRQ10 - Un as signed
73 1CC Hard ware IRQ11 - Un as signed
74 1D0 Hard ware IRQ12 - Mouse
75 1D4 Hard ware IRQ13 - 80287 Co proc es sor
76 1D8 Hard ware IRQ14 - AT Hard Disk
77 1DC Hard ware IRQ15 - Un as signed
80 200
F0 3C0 Ba sic
F1 3C4
FF 3FC Not Used

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8 APPENDIX C

PCM- 586 Parts Place ment Guide

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9 APPENDIX D

PCM- 586 Parts List

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10 APPENDIX E

PCM- 586 Me chani cal Drawing

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WARRANTY

WinSystems warrants that for a period of two (2) years from the date of shipment any Products and Software
purchased or licensed hereunder which have been developed or manufactured by WinSystems shall be free of any
material defects and shall perform substantially in accordance with WinSystems' specifications therefore. With
respect to any Products or Software purchased or licensed hereunder which have been developed or manufactured
by others, WinSystems shall transfer and assign to Customer any warranty of such manufacturer or developer held
by WinSystems, provided that the warranty, if any, may b e assigned. The sole obligation of WinSystems for any
breach of warranty contained herein shall be, at its option, either (i) to repair or replace at its expense any materially
defective Products or Software, or (ii) to take back such Products and Software and refund the Customer the
purchase price and any license fees paid for the same. Customer shall pay all freight, duty, broker's fees, insurance
changes and other fees and charges for the return of any Products or Software to WinSystems under this warranty.
WinSystems shall p ay freight and insurance charges for any repaired or replaced Products o r Software thereafter
delivered to Customer within the United States. All fees and costs for shipment outside of the United States shall be
paid by Customer. The foregoing warranty shall not apply to any Products or Software which have been subject to
abuse, misuse, vandalism, accidents, alteration, neglect, unauthorized repair or improper installations.

THERE ARE NO WAR RANTIES BY WINSYS TEMS EXCEPT AS STATED HEREIN. THERE ARE NO
OTHER WARRANTIES EXPRESS OR IM PLIED IN CLUD IN G, BUT NOT L IMITED TO, TH E IM PLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, IN NO
EVENT SHALL WINSYSTEMS BE LIABLE FOR CONSEQUENTIAL, INCIDENTAL, OR SPECIAL
DAMAGES INCLUDING, BUT NOT LIMITED TO, DAMAGES FOR LOSS OF DATA, PROFITS OR
GOODWILL. WINSYSTEMS' MAXIMUM LIABILITY FOR ANY B REACH OF THIS AGREEM ENT OR
OTHER CLAIM RELATED TO ANY PRODUCTS, SOFTWARE, OR THE SUBJECT MATTER
HEREOF, SHALL NOT EXCEED THE PURCHASE PRICE OR LICENSE FEE PAID BY CUSTOMER
TO WINSYSTEMS FOR THE PRODUCTS OR SOFTWARE OR PORTION THEREOF TO WHICH
SUCH BREACH OR CLAIM PERTAINS.

WARRANTY SERVICE

All products returned to WinSyste ms must be assigned a Return Material Authorizatio n (RMA) number. To obtain
this number, please call or FAX WinS ystems' factory in Arlington, Texas and provide the fo llowing information:

1. Description and quantity of the product(s) to be returned including its serial number.

2. Reason for the return.

3. Invoice number and date of purchase (if available), and original purchase order number.

4. Name, address, telephone and FAX number of the person making the request.

5. Do not debit WinSystems for the repair. WinSystems does no t authorize debits.
After the RMA number is issued, please return the products promptly. Make sure the RMA number is visible on the
outside of the shipping package.

The customer must send the product freight prepaid and insured. The product must be enclosed in an anti-static bag
to protect it from damage caused by static electricity. Each bag must be completely sealed. Packing material must
separate each unit returned and placed as a cushion between the unit(s) and the sides and top of the shipping
container. WinSystems is not responsible for any damage to the product due to inadequate packaging or static
electricity.

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