...because we can't all be on the bleeding edge...





PCDISK/512KB

DECISION COMPUTER INTERNATIONAL CO., LTD.

PCDISK/512KB

Card Type

Memory-based disk

Maximum Onboard Memory

256KB SRAM/512KB EPROM

I/O Options

Auto-reset function

Data Bus

8-bit ISA

CONNECTIONS

Function

Label

Auto-reset connector (see pinout below)

JP5

JP5 PINOUT

Function

Pin

Function

Pin

To reset switch on case

1

To reset function on mainboard

3

To reset switch on case

2

To reset function on mainboard

4

USER CONFIGURABLE SETTINGS

Setting

Label

Position

Ľ

Set auto-reset check time to 4.5 seconds

JP3

Pins 1 & 2 closed

 

Set auto-reset check time to 9 seconds

JP3

Pins 2 & 3 closed

Ľ

Battery charge enabled

JP4

Closed

 

Battery charge disabled

JP4

Open

SRAM/EPROM

EPROM Size

SRAM Size

U1

U2

U3

U4

None

32KB

(1) 32K x 8

None

None

None

None

64KB

(1) 32K x 8

(1) 32K x 8

None

None

None

96KB

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

None

None

128KB

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

None

160KB

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

None

192KB

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

None

224KB

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

None

256KB

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

SRAM/EPROM (CONíT)

EPROM Size

SRAM Size

U1

U2

U3

U4

64KB

None

(1) 27512

None

None

None

64KB

32KB

(1) 27512

None

None

None

64KB

64KB

(1) 27512

None

None

None

64KB

96KB

(1) 27512

None

None

None

64KB

128KB

(1) 27512

None

None

None

128KB

None

(1) 27512

(1) 27512

None

None

128KB

32KB

(1) 27512

(1) 27512

None

None

128KB

64KB

(1) 27512

(1) 27512

None

None

128KB

96KB

(1) 27512

(1) 27512

None

None

128KB

128KB

(1) 27512

(1) 27512

None

None

192KB

None

(1) 27512

(1) 27512

(1) 27512

None

192KB

32KB

(1) 27512

(1) 27512

(1) 27512

None

192KB

64KB

(1) 27512

(1) 27512

(1) 27512

None

192KB

96KB

(1) 27512

(1) 27512

(1) 27512

None

192KB

128KB

(1) 27512

(1) 27512

(1) 27512

None

256KB

None

(1) 27512

(1) 27512

(1) 27512

(1) 27512

256KB

32KB

(1) 27512

(1) 27512

(1) 27512

(1) 27512

256KB

64KB

(1) 27512

(1) 27512

(1) 27512

(1) 27512

256KB

96KB

(1) 27512

(1) 27512

(1) 27512

(1) 27512

256KB

128KB

(1) 27512

(1) 27512

(1) 27512

(1) 27512

320KB

None

(1) 27512

(1) 27512

(1) 27512

(1) 27512

384KB

None

(1) 27512

(1) 27512

(1) 27512

(1) 27512

448KB

None

(1) 27512

(1) 27512

(1) 27512

(1) 27512

512KB

None

(1) 27512

(1) 27512

(1) 27512

(1) 27512

SRAM/EPROM (CONíT)

EPROM Size

SRAM Size

U5

U6

U7

U8

None

32KB

None

None

None

None

None

64KB

None

None

None

None

None

96KB

None

None

None

None

None

128KB

None

None

None

None

None

160KB

(1) 32K x 8

None

None

None

None

192KB

(1) 32K x 8

(1) 32K x 8

None

None

None

224KB

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

None

None

256KB

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

64KB

None

None

None

None

None

64KB

32KB

(1) 32K x 8

None

None

None

64KB

64KB

(1) 32K x 8

(1) 32K x 8

None

None

64KB

96KB

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

None

64KB

128KB

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

128KB

None

None

None

None

None

128KB

32KB

(1) 32K x 8

None

None

None

128KB

64KB

(1) 32K x 8

(1) 32K x 8

None

None

128KB

96KB

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

None

128KB

128KB

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

SRAM/EPROM (CONíT)

EPROM Size

SRAM Size

U5

U6

U7

U8

192KB

None

None

None

None

None

192KB

32KB

(1) 32K x 8

None

None

None

192KB

64KB

(1) 32K x 8

(1) 32K x 8

None

None

192KB

96KB

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

None

192KB

128KB

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

256KB

None

None

None

None

None

256KB

32KB

(1) 32K x 8

None

None

None

256KB

64KB

(1) 32K x 8

(1) 32K x 8

None

None

256KB

96KB

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

None

256KB

128KB

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

(1) 32K x 8

320KB

None

(1) 27512

None

None

None

384KB

None

(1) 27512

(1) 27512

None

None

448KB

None

(1) 27512

(1) 27512

(1) 27512

None

512KB

None

(1) 27512

(1) 27512

(1) 27512

(1) 27512

Note:The 27512 parts are EPROMs, while the 32K x 8 parts are SRAMs.

SRAM/EPROM SETTINGS

U1-U4

U5-U8

JP1

JP2

SW1/7

SW1/8

EPROM

EPROM

Pins 1 & 2 closed

Pins 1 & 2 closed

Off

Off

EPROM

None

Pins 1 & 2 closed

N/A

Off

N/A

EPROM

SRAM

Pins 1 & 2 closed

Pins 2 & 3 closed

Off

On

SRAM

SRAM

Pins 2 & 3 closed

Pins 2 & 3 closed

On

Off

SRAM

None

Pins 2 & 3 closed

N/A

On

N/A

BASE I/O ADDRESS

Setting

SW1/1

SW1/2

SW1/3

Ľ

1CCh

On

On

On

 

1DCh

Off

On

On

 

1ECh

On

Off

On

 

2CCh

Off

Off

On

 

2DCh

On

On

Off

 

2ECh

Off

On

Off

 

3CCh

On

Off

Off

BIOS ADDRESS

Setting

SW1/4

SW1/5

SW1/6

 

C0000h

On

On

On

 

C4000h

Off

On

On

 

C8000h

On

Off

On

 

CC000h

Off

Off

On

Ľ

D0000h

On

On

Off

 

D4000h

Off

On

Off

 

D8000h

On

Off

Off

DIAGNOSTIC LED(S)

The function of the LED is unidentified.