CHAINTECH COMPUTER COMPANY, LTD.

5SBA

Processor

Pentium

Processor Speed

75/90/100/120/133/150MHz

Chip Set

SIS

Maximum Onboard Memory

128MB

Cache

256/512/1024KB

BIOS

Award

Dimensions

330mm x 220mm

I/O Options

32-bit PCI slots (3), floppy drive interface, game/MIDI port, green PC connector, IDE interfaces (2), parallel port, serial ports (2), VESA feature connector, VRM connector, cache slot, MediaBus slot, IR connector

NPU Options

None

CONNECTIONS

Function

Label

Function

Label

VRM connector

CN1

Green PC LED

J18

Floppy drive interface

J5

IDE interface LED

J20

Parallel port

J6

Power LED & keylock

J21

IR connector

J7

Speaker

J22

Digital volume control connector

J8

Reset switch

J23

Serial port 2

J9

Turbo LED

J24

Serial port 1

J10

Turbo switch

J25

Game/MIDI port

J11

Green PC connector

JP14

IDE interface 1

J13

32-bit PCI slots

PC1 - PC3

IDE interface 2

J14

Cache slot

SL1

VGA feature connector

J15

MediaBus connector

SL2

USER CONFIGURABLE SETTINGS

Setting

Label

Position

»

CMOS memory normal operation

JP17

Pins 1 & 2 closed

 

CMOS memory clear

JP17

Pins 2 & 3 closed

»

Jumper information unavailable

JP23

N/A

DRAM

Size

Bank 0

Bank 1

2MB

(2) 256K x 36

None

2MB

None

(2) 512K x 36

4MB

(2) 512K x 36

None

4MB

(2) 256K x 36

(2) 256K x 36

6MB

(2) 512K x 36

(2) 256K x 36

6MB

(2) 256K x 36

(2) 512K x 36

8MB

(2) 1M x 36

None

8MB

(2) 512K x 36

(2) 512K x 36

10MB

(2) 1M x 36

(2) 256K x 36

10MB

(2) 256K x 36

(2) 1M x 36

12MB

(2) 1M x 36

(2) 512K x 36

12MB

(2) 512K x 36

(2) 1M x 36

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

18MB

(2) 2M x 36

(2) 256K x 36

18MB

(2) 256K x 36

(2) 2M x 36

20MB

(2) 2M x 36

(2) 512K x 36

20MB

(2) 512K x 36

(2) 2M x 36

DRAM (CON’T)

Size

Bank 0

Bank 1

24MB

(2) 2M x 36

(2) 1M x 36

24MB

(2) 1M x 36

(2) 2M x 36

32MB

(2) 4M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

34MB

(2) 4M x 36

(2) 256K x 36

34MB

(2) 256K x 36

(2) 4M x 36

36MB

(2) 4M x 36

(2) 512K x 36

36MB

(2) 512K x 36

(2) 4M x 36

40MB

(2) 4M x 36

(2) 1M x 36

40MB

(2) 1M x 36

(2) 4M x 36

48MB

(2) 4M x 36

(2) 2M x 36

48MB

(2) 2M x 36

(2) 4M x 36

64MB

(2) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

66MB

(2) 8M x 36

(2) 256K x 36

66MB

(2) 256K x 36

(2) 8M x 36

68MB

(2) 8M x 36

(2) 512K x 36

68MB

(2) 512K x 36

(2) 8M x 36

72MB

(2) 8M x 36

(2) 1M x 36

72MB

(2) 1M x 36

(2) 8M x 36

80MB

(2) 8M x 36

(2) 2M x 36

80MB

(2) 2M x 36

(2) 8M x 36

96MB

(2) 8M x 36

(2) 4M x 36

96MB

(2) 4M x 36

(2) 8M x 36

128MB

(2) 8M x 36

(2) 8M x 36

Note: Board accepts EDO & FP memory.

CACHE SIZE

Size

Bank 0

TAG

SL1

256KB (A)

(8) 32K x 8

(1) 8K x 8

Not installed

256KB (B)

None

None

Installed

512KB (A)

(8) 64K x 8

(1) 32K x 8

Not installed

512KB (B)

None

None

Installed

1MB

(8) 128K x 8

(1) 32K x 8

Not installed

CACHE JUMPER

Size

JP15

JP16

256KB (A)

Pins 1 & 2 closed

Pins 1 & 2 closed

512KB (A)

Pins 1 & 2 closed

Pins 2 & 3 closed

1MB

Pins 2 & 3 closed

Pins 2 & 3 closed

CACHE VOLTAGE

Setting

JP27

Mixed voltage

Pins 1 & 2, 3 & 4 closed

3.3v

Pins 5 & 6, 7 & 8 closed

Note: The location of pin 1 is unidentified.

CACHE TYPE

Setting

JP20

Asynchronous

Pins 1 & 2 closed

Pipeline burst

Pins 2 & 3 closed

CPU SPEED

Setting

JP9

JP26

75MHz

Pins 1 & 2, 3 & 4 closed

Pins 1 & 2 closed

90MHz (3.3v)

Pins 3 & 4 closed

Pins 1 & 2 closed

90MHz (3.4v)

Pins 3 & 4 closed

Pins 3 & 4 closed

90MHz (3.5v)

Pins 3 & 4 closed

Pins 5 & 6 closed

100MHz

Pins 3 & 4 closed

Pins 5 & 6 closed

120MHz

Pins 3 & 4 closed

Pins 5 & 6 closed

133MHz

Open

Pins 5 & 6 closed

150MHz

Pins 3 & 4 closed

Pins 5 & 6 closed

CPU MULTIPLIER

Setting

JP24

JP25

1.5x

Pins 1 & 2 closed

Open

2x

Pins 2 & 3 closed

Open

2.5x

Pins 2 & 3 closed

Closed

3x

Pins 1 & 2 closed

Closed

CPU VOLTAGE

Setting

CN1

»

Normal CPU

Pins 6 & 7, 21 & 22 closed

 

High frequency CPU

VRM installed

ON BOARD VIDEO

Setting

JP7

JP8

Enabled

Closed

Closed

Disabled

Open

Open