HwMuseum | Index

TYAN COMPUTER CORPORATION

S1372 (REV. 1.0)

Data bus:

16-bit, ISA

Size:

Half-length, half-height card

Hard drive supported:

Two IDE (AT) interface drives

Floppy drives supported:

Two 360KB, 720KB, 1.2MB, 1.44MB, or 2.88MB drives

CONNECTIONS

Function

Location

25-pin parallel port

CN1

10-pin serial port 2 - internal

CN2

9-pin serial port 1 - external

CN3

Game port

CN4

40-pin IDE (AT) Interface connector

CN5

34-pin control cable connector - floppy drive

CN6

4-pin connector - drive active LED

CN7

14-pin connector - Custom IRQ Header

CN8

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Game port enabled

J6

closed

 

Game port disabled

J6

open

»

IDE IRQ14 enabled

J22

pins 2 & 3 closed

 

IDE IRQ15 enabled

J22

pins 1 & 2 closed

»

Factory configured - do not alter

J50

n/a

SERIAL PORT 1 CONFIGURATION

COM/Address

J14

J15

»

COM1/3F8h

pins 2 & 3 closed

pins 2 & 3 closed

 

COM2/2F8h

pins 2 & 3 closed

pins 1 & 2 closed

SERIAL PORT 1 CONFIGURATION

COM/Address

J14

J15

COM3/3E8h

pins 1 & 2 closed

pins 2 & 3 closed

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

SERIAL PORT 2 CONFIGURATION

COM/Address

J16

J17

»

COM2/2F8h

pins 2 & 3 closed

pins 2 & 3 closed

 

COM1/3F8h

pins 2 & 3 closed

pins 1 & 2 closed

 

COM4/2E8h

pins 1 & 2 closed

pins 2 & 3 closed

 

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

SERIAL PORTS 1 & 2 INTERRUPT SELECT

Port 1

Port 2

J1

J2

J3

J4

»

IRQ4

IRQ3

open

closed

closed

open

 

IRQ4

Disabled

open

closed

open

open

 

Disabled

IRQ3

open

open

closed

open

 

IRQ3

IRQ4

open

J2 pin 1 to J3 pin 1 closed, and

J2 pin 2 to J3 pin 2 closed

Open

 

IRQ3

Disabled

open

J2 pin 1 to J3 pin 1 closed

Open

 

Disabled

IRQ4

open

J2 pin 2 to J3 pin 2 closed

Open

 

IRQ5

IRQ3

open

closed

J3 pin 2 to J4 pin 2 closed

 

IRQ5

Disabled

open

open

J3 pin 2 to J4 pin 2 closed

 

IRQ4

IRQ5

J1 pin 2 to J2 pin 2 closed

closed

open

 

Disabled

IRQ5

J1 pin 2 to J2 pin 2 closed

open

open

PARALLEL PORT CONFIGURATION

LPT/Address

J18

J19

»

LPT1/378h

pins 2 & 3 closed

pins 2 & 3 closed

 

LPT2/278h

pins 2 & 3 closed

pins 1 & 2 closed

 

LPT3/3BCh

pins 1 & 2 closed

pins 1 & 2 closed

 

Disabled

pins 1 & 2 closed

pins 2 & 3 closed

PARALLEL PORT INTERRUPT SELECT

IRQ

J4

J5

»

IRQ7

open

closed

 

IRQ5

closed

open

 

Disabled

open

open

ADVANCED PARALLEL PORT FUNCTIONS

Setting

J23

J24

»

Standard PRN mode only enabled

pins 2 & 3 closed

pins 2 & 3 closed

 

ECP, EPP and PRN modes enabled

pins 1 & 2 closed

pins 1 & 2 closed

 

EPP and PRN modes enabled

pins 1 & 2 closed

pins 2 & 3 closed

 

ECP and PRN modes enabled

pins 2 & 3 closed

pins 1 & 2 closed

Note:ECP = Extended Capabilities Mode, EPP = Enhanced Parallel Port.

EXTENDED CAPABILITIES PORT (ECP) DMA SELECT

DMA

J7

J8

J9

J10

J11

»

Disabled

open

open

open

open

open

 

DMA1

closed

open

open

closed

closed

 

DMA3

closed

closed

closed

open

open

Note:DMA3 is the preferred setting when the ECP mode is enabled.

FLOPPY DRIVE CONFIGURATION

Address

J12

J13

»

3F0h

pins 2 & 3 closed

pins 1 & 2 closed

 

370h

pins 1 & 2 closed

pins 1 & 2 closed

 

Disabled

N/A

pins 2 & 3 closed

IDE PORT CONFIGURATION

Address

J20

J21

»

1F0h

pins 2 & 3 closed

pins 2 & 3 closed

 

170h

pins 1 & 2 closed

pins 2 & 3 closed

 

Disabled

N/A

pins 1 & 2 closed

MISCELLANEOUS TECHNICAL NOTES

CN8 is used to configure the card to comply with the PCI IDE Legacy convention. A special cable is required to connect to applicable hard drives.