PEAKTRON COMPUTER, INC.

SUPREME I/O

Data bus:

16-bit, ISA

Size:

Half-length, full-height card

Hard drive supported:

Two IDE (AT) Interface drives

Floppy drives supported:

Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS

Function

Location

4-pin connector - drive active LED

J1

10-pin serial port (COM1/2/3) - internal

J2

10-pin serial port (COM2/3/4) - internal

J3

40-pin IDE (AT) Interface connector

J4

34-pin control cable connector - floppy drive

J5

15-pin game port - external

J6

25-pin parallel port (LPT1/2/3) - external

J7

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

I/O Channel Ready (IOCHRDY) signal enabled*

JP1

closed

 

I/O Channel Ready (IOCHRDY) signal disabled*

JP1

open

»

Address latch (ALE) enabled*

JP2

closed

 

Address latch (ALE) disabled*

JP2

open

»

Floppy drive enabled

SW1/switch 6

off

 

Floppy drive disabled

SW1/switch 6

on

»

Hard drive enabled

SW1/switch 7

off

 

Hard drive disabled

SW1/switch 7

on

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Hard drive port address is 1F0-1F7h

Floppy drive port address is 3F0-3F7h

SW1/switch 8

off

 

Hard drive port address is 170-177h

Floppy drive port address is 370-377h

SW1/switch 8

on

»

Game Port (J6) enabled

SW1/switch 9

off

 

Game Port (J6) disabled

SW1/switch 9

on

 

*See recommended settings table for JP1 & JP2 at the end of this document.

SERIAL PORT CONFIGURATION

COM1 (J2)

COM2 (J3)

SW1/switch 1

SW1/switch 2

SW1/switch 3

»

COM1 (3F8h)

Disabled

on

on

off

 

COM2 (2F8h)

Disabled

on

off

on

 

COM1 (3F8h)

COM2 (2F8h)

n/a

off

off

 

2B0h

2B8h

off

on

on

 

2E0h

COM4 (2E8h)

off

on

off

 

3E0h

COM3 (3E8h)

off

off

on

 

Disabled

Disabled

on

on

on

PARALLEL PORT (J7) CONFIGURATION

LPT

SW1/switch 4

SW1/switch 5

»

LPT1 (378h)

off

off

 

LPT2 (278h)

off

on

 

LPT3 (3BCh)

on

off

 

Disabled

on

on

RECOMMENDED IOCHRDY AND ALE SETTINGS

Manufacturer

Jumper JP1

Jumper JP2

 

Western Digital

open

open

»

Miniscribe

closed

closed

 

Conners

open

closed

 

Fujitsu

open

closed

 

Seagate

open

open

MISCELLANEOUS TECHNICAL NOTES

Second serial port (J3) is an add-on option and requires installation of an upgrade to function.