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IPCVOICE

DECISION COMPUTER INTERNATIONAL CO., LTD.

IPCVOICE

Card Type

Sound card

Chipset

Unidentified

Maximum Onboard Memory

1MB EPROM

I/O Options

Audio out

Data Bus

IPCCPU expansion bus

CONNECTIONS

Function

Label

Function

Label

IPCCPU expansion bus

P1

Volume adjustment

PT1

Audio out (see pinout below)

P2

Speed adjustment

PT2

CONNECTIONS

Function

Pin

Function

Pin

Audio line out

1

Speaker out

3

Audio line out

2

Ground

4

USER CONFIGURABLE SETTINGS

Setting

Label

Position

Each message is 6553 bytes

JP3

Pins 1 & 2 closed

Each message is 13107 bytes

JP3

Pins 2 & 3 closed

EPROM CONFIGURATION

Size

EPROM

32KB

(1) 27C256

64KB

(1) 27C512

128KB

(1) 27C1001

256KB

(1) 27C2001

512KB

(1) 27C4001

1MB

(1) 27C8001

EPROM JUMPER CONFIGURATION

Size

JP3

JP4

JP5

JP6

32KB

Open

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

64KB

Open

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

128KB

See user config. table

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

256KB

See user config. table

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

512KB

See user config. table

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

1MB

See user config. table

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Note: To determine how many messages the IPCVOICE card will hold, divide the size of the chip by the size of each message (determined by JP3). The amount of messages held by 32KB and 64KB versions is unidentified.

BASE I/O ADDRESS SELECTION

Setting

JP1/A

JP1/B

JP1/C

JP1/D

JP1/E

90h

Closed

Open

Open

Open

Open

A0h

Open

Closed

Open

Open

Open

B0h

Open

Open

Closed

Open

Open

C0h

Open

Open

Open

Closed

Open

E0h

Open

Open

Open

Open

Closed

CARD NUMBER SELECTION

Setting

JP2/A

JP2/B

JP2/C

JP2/D

1

Closed

Open

Open

Open

2

Open

Closed

Open

Open

3

Open

Open

Closed

Open

4

Open

Open

Open

Closed

MISCELLANEOUS TECHNICAL NOTES

This card is designed to be used with Decision Computer International Co., Ltd.ís IPCCPU board. See this document for more information.