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SYMBIOS LOGIC

NCR8250S

Data bus: 32-bit, PCI
Size: Half-length, full-height card
Hard drive supported: Up to 15 SCSI interface drives
Floppy drives supported: None

CONNECTIONS
Function Location
50-pin low-density SCSI interface - internal J2
50-pin high-density SCSI interface - external J3

 
USER CONFIGURABLE SETTINGS
Function Location Setting
SCSI single-ended active termination - enabled E1 closed
SCSI single-ended active termination - disabled E1 open
Note: You must disable SCSI termination when connecting both internal & external SCSI interfaces.

 

TYAN COMPUTER

S1366

Data bus: 32-bit PCI
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
25 pin parallel port - external CN1
9 pin serial port - external CN2
10 pin serial port - internal CN3
16 pin game port - internal CN4
34 pin data cable connector - primary floppy drive interface CN5
34 pin data cable connector - secondary floppy drive interface CN6
40 pin connector - primary IDE (AT) interface CN7
40 pin connector - secondary IDE (AT) interface CN8
4 pin connector - drive active LED CN9
S136x paddle card daughterboard connector PDL1

 
USER CONFIGURABLE SETTINGS
Function Location Setting
Factory configured - do not alter J0 N/A
Floppy drive interface DSKCHG signal not intercepted J1 open
     Floppy drive interface DSKCHG signal intercepted J1 closed
I/O address fixed J2 closed
     I/O address relocatable J2 open
Primary IDE (AT) channel legacy IRQ tied to IRQ14 J5 closed
     No primary IDE (AT) channel legacy IRQ tied to IRQ14 J5 open
Primary IDE (AT) legacy ISA IRQ14 not buffered J6 open
     Primary IDE (AT) legacy ISA IRQ14 buffered J6 closed
Secondary IDE (AT) channel legacy IRQ tied to IRQ15 J7 closed
     No secondary IDE (AT) channel legacy IRQ tied to IRQ15 J7 open
Secondary IDE (AT) legacy ISA IRQ15 not buffered J8 open
     Secondary IDE (AT) legacy ISA IRQ15 buffered J8 closed
IDE (AT) interrupt native mode not utilized J9 open
     IDE (AT) interrupt native mode utilized to PCI INTA J9 closed
Factory configured - do not alter J10 N/A
AT printer mode (ISA) enabled J11 open
     Normal mode enabled, floppy drive interface pin 29 grounded J11 closed
Floppy drive interface normal DRATE out mode select P1 pins 2 & 3 closed
     Floppy drive interface media ID input OS2 enhanced mode P1 pins 1 & 2 closed
Floppy drive interface I/O address 3F0h select P2 pins 2 & 3 closed
     Floppy drive interface I/O address 370h select P2 pins 1 & 2 closed
Floppy drive interface enabled P3 pins 2 & 3 closed
     Floppy drive interface disabled P3 pins 1 & 2 closed
Factory configured - do not alter T0 N/A
ISA AT printer mode enabled T1 open
     PS/2 bi-directional printer mode enabled T1 closed
Parallel port interrupt IRQ7 select T2 closed
     Parallel port interrupt disabled T2 open
Serial port 1 interrupt IRQ4 select T4 closed
     Serial port 1 interrupt disabled T4 open
Serial port 2 interrupt IRQ3 select T5 closed
     Serial port 2 interrupt disabled T5 open
Game port enabled T6 closed
     Game port disabled T6 open

 
PCI IDE CONFIGURATION
Setting J3 J4
PCI IDE channels enabled closed open
     PCI IDE channels disabled open closed

 
SECONDARY IDE PCI INTERRUPT CONFIGURATION
Setting J12 J13
Secondary IDE interrupt not inverted (PCI bus INTB#) open N/A
     Secondary IDE interrupt inverted (PCI bus INTB#) N/A closed

 
PRIMARY IDE PCI INTERRUPT CONFIGURATION
Setting T12 T13
Primary IDE interrupt not inverted (PCI bus INTA#) open N/A
     Primary IDE interrupt inverted (PCI bus INTA#) N/A closed

 
PARALLEL PORT I/O ADRESS SELECT
Address P8 P9
378-37Fh pins 2 & 3 closed pins 2 & 3 closed
     278-27Fh pins 2 & 3 closed pins 1 & 2 closed
     3BC-3BEh pins 1 & 2 closed pins 1 & 2 closed
     Disabled pins 1 & 2 closed pins 2 & 3 closed

 
PRIMARY SERIAL PORT I/O ADRESS SELECT
Address P4 P5
3F8h (COM1) pins 2 & 3 closed pins 2 & 3 closed
     2F8h (COM2) pins 2 & 3 closed pins 1 & 2 closed
     3E8h (COM3) pins 1 & 2 closed pins 2 & 3 closed
Disabled pins 1 & 2 closed pins 1 & 2 closed

 
SECONDARY SERIAL PORT I/O ADRESS SELECT
Address P6 P7
2F8h (COM2) pins 2 & 3 closed pins 2 & 3 closed
     2E8h (COM4) pins 1 & 2 closed pins 2 & 3 closed
     3F8h (COM1) pins 2 & 3 closed pins 1 & 2 closed
Disabled pins 1 & 2 closed pins 1 & 2 closed

 
PARALLEL PORT INTERRUPT SELECT
IRQ T2 T3
IRQ7 closed open
     IRQ5 open closed
Disabled open open

 
ENHANCED PARALLEL PORT MODE CONFIGURATION
Modes Supported P10 P11
PRN pins 2 & 3 closed pins 2 & 3 closed
   PRN, EPP pins 1 & 2 closed pins 2 & 3 closed
   PRN, ECP pins 2 & 3 closed pins 1 & 2 closed
   PRN, ECP, EPP pins 1 & 2 closed pins 1 & 2 closed

 
ECP MODE CONFIGURATION
Setting T7 T8 T9 T10 T11
ECP mode disabled open open open open open
     ECP mode w/DMA1 closed open closed open closed
     ECP mode w/DMA3 open closed open closed closed

 
SERIAL PORT INTERRUPT SELECT
Port 1 Port 2 T3 T4 T5
IRQ4 IRQ3 open closed closed
IRQ4 Disabled open closed open
Disabled IRQ3 open open closed
IRQ3 IRQ4 open T4 pin 1 to T5 pin 1
T4 pin 2 to T5 pin 2
IRQ5 IRQ3 open T4 pin 1 to T5 pin 1
Disabled IRQ4 open T4 pin 2 to T5 pin 2
IRQ4 IRQ5 T3 pin 2 to T4 pin 2 closed
Disabled IRQ5 T3 pin 2 to T4 pin 2 open

 
MISCELLANEOUS TECHNICAL NOTES
Note: In order to utilize the S1366’s IDE and I/O functions, the S136x paddle card must be installed on connector PDL1

 
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