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S1686D

TYAN COMPUTER CORPORATION

S1686D

Device Type

Mainboard

Processor

Pentium Pro/Pentium II

Processor Speed

150/166/180/200/233/266/300MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

1GB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB (located on Pentium Pro/Pentium II CPU)

BIOS

AMI, Award

Dimensions

305mm x 244mm

I/O Options

32-bit PCI slots (5), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connectors (2), USB connectors (2), ATX power connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

USB connector 2

J22A

Serial port 2

CN1

CPU 2 fan power

J23

Serial port 1

CN2

Soft off power supply

J29/pins 1 & 2

Parallel port

CN3

Green PC connector

J29/pins 3 & 4

Floppy drive interface

CN5

IR connector

J29/pins 8 - 10

IDE interface 1

CN6

IDE interface LED

J29/pins 15 & 16

IDE interface 2

CN7

Power LED

J29/pins 18 - 20

IR connector

IR2

Reset switch

J29/pins 22 & 23

PS/2 mouse port

J18

Speaker

J29/pins 24 - 27

Chassis fan power

J19

Wake on LAN connector

JP1

CPU 1 fan power

J20

32-bit PCI slots

PC1 Ė PC5

USB connector 1

J22

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

Ľ

CMOS memory normal operation

J44

Open

 

CMOS memory clear

J44

Closed

SIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

8MB

(2) 1M x 36

None

None

None

16MB

(2) 2M x 36

None

None

None

16MB

(2) 1M x 36

(2) 1M x 36

None

None

24MB

(2) 2M x 36

(2) 1M x 36

None

None

24MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

None

32MB

(2) 4M x 36

None

None

None

32MB

(2) 2M x 36

(2) 2M x 36

None

None

32MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

40MB

(2) 4M x 36

(2) 1M x 36

None

None

48MB

(2) 4M x 36

(2) 2M x 36

None

None

48MB

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

None

64MB

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

64MB

(2) 8M x 36

None

None

None

64MB

(2) 4M x 36

(2) 4M x 36

None

None

SIMM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

Bank 3

72MB

(2) 8M x 36

(2) 1M x 36

None

None

80MB

(2) 8M x 36

(2) 2M x 36

None

None

96MB

(2) 8M x 36

(2) 4M x 36

None

None

96MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

None

128MB

(2) 16M x 36

None

None

None

128MB

(2) 8M x 36

(2) 8M x 36

None

None

128MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

136MB

(2) 16M x 36

(2) 1M x 36

None

None

144MB

(2) 16M x 36

(2) 2M x 36

None

None

152MB

(2) 16M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

160MB

(2) 16M x 36

(2) 4M x 36

None

None

176MB

(2) 16M x 36

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

192MB

(2) 16M x 36

(2) 8M x 36

None

None

192MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

None

224MB

(2) 16M x 36

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

256MB

(2) 32M x 36

None

None

None

256MB

(2) 16M x 36

(2) 16M x 36

None

None

256MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

272MB

(2) 16M x 36

(2) 16M x 36

(2) 1M x 36

(2) 1M x 36

280MB

(2) 32M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

288MB

(2) 16M x 36

(2) 16M x 36

(2) 2M x 36

(2) 2M x 36

304MB

(2) 32M x 36

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

320MB

(2) 16M x 36

(2) 16M x 36

(2) 4M x 36

(2) 4M x 36

320MB

(2) 16M x 36

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

352MB

(2) 32M x 36

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

384MB

(2) 16M x 36

(2) 16M x 36

(2) 16M x 36

None

448MB

(2) 32M x 36

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

512MB

(2) 32M x 36

(2) 32M x 36

None

None

512MB

(2) 16M x 36

(2) 16M x 36

(2) 16M x 36

(2) 16M x 36

640MB

(2) 32M x 36

(2) 16M x 36

(2) 16M x 36

(2) 16M x 36

768MB

(2) 32M x 36

(2) 32M x 36

(2) 32M x 36

None

1024MB

(2) 32M x 36

(2) 32M x 36

(2) 32M x 36

(2) 32M x 36

Note: Board accepts EDO memory.

SIMM VOLTAGE CONFIGURATION

Voltage

J13

J14

J15

J16

 

3.3v

Closed

Closed

Open

Open

Ľ

5v

Open

Open

Closed

Closed

SIMM VOLTAGE CONFIGURATION (CONíT)

Voltage

J24

J25

J26

J27

 

3.3v

Closed

Closed

Open

Open

Ľ

5v

Open

Open

Closed

Closed

CACHE CONFIGURATION

Note: 256KB/512KB cache is located on the Pentium Pro/Pentium II CPU.

CPU SPEED SELECTION (PENTIUM PRO)

CPU speed

Clock speed

Multiplier

J11

J12

J31

J32

150MHz

60MHz

2.5x

Open

Closed

Open

Closed

166MHz

66MHz

2.5x

Closed

Open

Open

Closed

180MHz

60MHz

3x

Open

Closed

Closed

Open

200MHz

66MHz

3x

Closed

Open

Closed

Open

CPU SPEED SELECTION (PENTIUM PRO, CONíT)

CPU speed

Clock speed

Multiplier

J33

J34

J37

150MHz

60MHz

2.5x

Closed

Closed

3 & 4

166MHz

66MHz

2.5x

Closed

Closed

1 & 2

180MHz

60MHz

3x

Closed

Closed

3 & 4

200MHz

66MHz

3x

Closed

Closed

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (PENTIUM II)

CPU speed

Clock speed

Multiplier

J11

J12

J31

J32

200MHz

66MHz

3x

Closed

Open

Closed

Open

233MHz

66MHz

3.5x

Closed

Open

Open

Open

266MHz

66MHz

4x

Closed

Open

Closed

Closed

300MHz

66MHz

4.5x

Closed

Open

Open

Closed

CPU SPEED SELECTION (PENTIUM II, CONíT)

CPU speed

Clock speed

Multiplier

J33

J34

J37

200MHz

66MHz

3x

Closed

Closed

1 & 2

233MHz

66MHz

3.5x

Closed

Closed

1 & 2

266MHz

66MHz

4x

Open

Closed

1 & 2

300MHz

66MHz

4.5x

Open

Closed

1 & 2

Note: Pins designated should be in the closed position.

SERIAL PORT SELECTION

Setting

J30

J36

Used as serial port

Pins 1 & 2 closed

Pins 1 & 2 closed

Used as IR connector

Pins 2 & 3 closed

Pins 2 & 3 closed

LM78 IRQ SELECTION

IRQ

J49

J50

5

Open

Pins 1 & 2 closed

7

Open

Pins 2 & 3 closed

9

Pins 1 & 2 closed

Open

11

Pins 2 & 3 closed

Open