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S1342 (REV. 1.6)

TYAN COMPUTER CORPORATION

S1342 (REV. 1.6)

Data Bus

32-bit VESA Local Bus

Card Size

Three-quarter length, Half-height card

Hard Drives supported

Four IDE (AT) drives

Floppy drives supported

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

CONNECTIONS

Function

Location

Function

Location

34-pin cable connector - floppy drive 1

CN1

9-pin serial port 1 - external

CN6

25-pin parallel port - external

CN2

40-pin secondary IDE(AT) connector

CN7

40-pin primary IDE(AT) connector

CN3

4-pin connector - secondary

drive active LED

CN8

4-pin connector - primary

drive active LED

CN4

34-pin cable connector - floppy drive 2

CN9

10-pin serial port 2 - internal

CN5

16-pin game port - internal

CN10

USER CONFIGURABLE SETTINGS

Function

Label

Position

I/O Channel Ready signal disabled

J7

Open

 

I/O Channel Ready signal enabled

J7

Closed

Floppy drive enabled

J8

Pins 2 & 3 closed

 

Floppy drive disabled

J8

Pins 1 & 2 closed

Floppy drive normal compatible mode

J16

Pins 2 & 3 closed

 

Floppy drive enhanced mode

J16

Pins 1 & 2 closed

VL IDE enabled

J17

Pins 2 & 3 closed

 

VL IDE disabled

J17

Pins 1 & 2 closed

Floppy drive port address is 3F0-3F7h

J26

Pins 2 & 3 closed

 

Floppy drive port address is 370-377h

J26

Pins 1 & 2 closed

Game Port enabled

J37

Closed

 

Game Port disabled

J37

Open

FLOPPY DRIVE CHANNEL SELECTION

Function

J4

J5

J6

Primary channel, two floppy-drives enable

Open

Open

Open

 

Two channel, four floppy drives enabled

Closed

Closed

Closed

Note: Four floppy drive support is mutually exclusive with the parallel port special features.

PARALLEL PORT ADDRESS SELECTION

Setting

J9

J27

LPT1

Pins 2 & 3 closed

Pins 2 & 3 closed

 

LPT2

Pins 2 & 3 closed

Pins 1 & 2 closed

 

LPT3

Pins 1 & 2 closed

Pins 1 & 2 closed

 

Disabled

Pins 1 & 2 closed

Pins 2 & 3 closed

SERIAL PORT 1 ADDRESS SELECTION

Setting

J10

J11

COM1

Pins 2 & 3 closed

Pins 2 & 3 closed

 

COM2

Pins 2 & 3 closed

Pins 1 & 2 closed

 

COM3

Pins 1 & 2 closed

Pins 2 & 3 closed

 

Disabled

Pins 1 & 2 closed

Pins 1 & 2 closed

SERIAL PORT 2 ADDRESS SELECTION

Setting

J12

J13

 

COM1

Pins 2 & 3 closed

Pins 1 & 2 closed

COM2

Pins 2 & 3 closed

Pins 2 & 3 closed

 

COM4

Pins 1 & 2 closed

Pins 2 & 3 closed

 

Disabled

Pins 1 & 2 closed

Pins 1 & 2 closed

HARD DRIVE PORT ADDRESS SELECTION

Setting

J18

J19

 

Primary & Secondary IDE active

Pins 1 & 2 closed

Pins 2 & 3 closed

Primary IDE address is 1F0h

Pins 2 & 3 closed

Pins 2 & 3 closed

 

Primary IDE address is 170h

Pins 2 & 3 closed

Pins 1 & 2 closed

HARD DRIVE WAIT STATE SELECTION

Address

J20

J21

J22

 

VL Bus speed <33MHz

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

 

VL Bus speed >33MHz

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

Any VL Bus speed

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

PARALLEL PORT MODE SELECTION

Setting

J28

J29

 

Enhanced Parallel Port (EPP)

Pins 1 & 2 closed

Pins 2 & 3 closed

 

Extended Capacity Port (ECP)

Pins 2 & 3 closed

Pins 1 & 2 closed

 

ECP & EPP

Pins 1 & 2 closed

Pins 1 & 2 closed

Standard

Pins 2 & 3 closed

Pins 2 & 3 closed

SERIAL PORT INTERRUPT SELECTION

Port 1

Port 2

J32

J33

J34

J35

 

IRQ4

IRQ3

Open

Closed

Closed

Open

 

IRQ4

none

Open

Closed

Open

Open

 

none

IRQ3

Open

Open

Closed

Open

 

IRQ3

IRQ4

Open

J33/pin1 to J34/pin1

J33/pin2 to J34/pin2

Open

 

IRQ5

IRQ3

Open

J33/pin1 to J34/pin1

Open

 

no IRQ3

IRQ4

Open

J33/pin2 to J34/pin2

Open

 

IRQ5

IRQ3

Open

Closed

J34/pin2 to J35/pin2

 

IRQ5

no IRQ3

Open

Open

J34/pin2 to J35/pin2

 

IRQ4

IRQ5

J32/pin2 to J33/pin2

Closed

Open

 

no IRQ4

IRQ5

J32/pin2 to J33/pin2

Open

Open

PARALLEL PORT INTERRUPT SELECTION

IRQ

J35

J36

Parallel port interrupt is IRQ7

Open

Closed

 

Parallel port interrupt is IRQ5

Closed

Open

 

Disabled

Open

Open

DMA CHANNEL SELECTION

Setting

J38

J39

J40

J41

J42

 

1

Closed

Open

Open

Closed

Closed

 

3

Closed

Closed

Closed

Open

Open

Disabled

Open

Open

Open

Open

Open