GIGA-BYTE TECHNOLOGY CO., LTD.

GA-6BNZ (REV. 2.1)
Device Type Mainboard
Processor Pentium II/Pentium II/Celeron
Processor Speed 233/266/300/333/350/366/400/433/450/500/550/600/650MHz
Chip Set Intel 440BX
Video Chip Set ATI
Audio Chip Set Yamaha
Maximum Onboard Memory 768MB (SDRAM supported)
Maximum Video Memory Unidentified
Maximum Audio Memory Unidentified
Cache 0/128/256/512KB (located on the CPU)
BIOS Award
Dimensions 282mm x 216mm
I/O Options (backplane) 32-bit PCI slots (2), CD-ROM interface, floppy drive interface, game port, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA port, USB connectors (2), ATX power connector, line in, line out, microphone in, audio in - CD-ROMs (2), LAN connector, SB-Link


CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1 CN1 USB connector 2 CN9
Serial port 2 CN2 Microphone in CN10
Game port CN3 Line out CN11
CD-ROM interface CN4 Line in CN12
Parallel port CN5 CPU fan power J7
PS/2 mouse port CN6 Chassis fan power J12
VGA port CN7 SB-Link JP6
USB connector 1 CN8 LAN connector LAN


USER CONFIGURABLE SETTINGS

Function

Label

Position

 

 ATX power control soft off J8 Open
  ATX power control full on J8 Closed
  On-board sound disabled J9 Pins 1 & 2 Closed

 

 ON-board sound enabled

J9

Pins 2 & 3 Closed
  Wake on LAN enabled

J11

Pins 1 & 2 Closed
  Wake on LAN disabled

J11

Pins 2 & 3 Closed
  Internal buzzer disabled J14 Open
  Internal buzzer enabled J14 Closed
  System clock speed auto-detect JP1 Pins 2 & 3 Closed
  Keyboard power on enabled JP4 Pins 1 & 2 Closed
  Keyboard power on disabled JP4 Pins 2 & 3 Closed
  On-board VGA IRQ released JP9 Pins 2 & 3 Closed
  On-board VGA IRQ not released JP9 Pins 1 & 2 Closed
  On-board VGA disabled JP10 Pins 1 & 2 Closed
  On-board VGA enabled JP10 Pins 2 & 3 Closeed
  On-board LAN disabled JP11 Pins 1 & 2 Closed
  On-board LAN enabled JP11 Pins 2 & 3 Closed
  CMOS memory normal operation JP12 Pins 1 & 2 Closed
  CMOS memory clear JP12 Pins 2 & 3 Closed


DIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

16MB

(1) 2M x 64

None

None

32MB

(1) 4M x 64

None

None

32MB

(1) 2M x 64

(1) 2M x 64

None

48MB

(1) 4M x 64

(1) 2M x 64

None

48MB

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

64MB

(1) 8M x 64

None

None

64MB

(1) 4M x 64

(1) 4M x 64

None

64MB

(1) 4M x 64

(1) 2M x 64

(1) 2M x 64

80MB

(1) 8M x 64

(1) 2M x 64

None

80MB

(1) 4M x 64

(1) 4M x 64

(1) 2M x 64

96MB

(1) 8M x 64

(1) 4M x 64

None

96MB

(1) 8M x 64

(1) 2M x 64

(1) 2M x 64

96MB

(1) 4M x 64

(1) 4M x 64

(1) 4M x 64

112MB

(1) 8M x 64

(1) 4M x 64

(1) 2M x 64

128MB

(1) 16M x 64

None

None

128MB

(1) 8M x 64

(1) 8M x 64

None

128MB

(1) 8M x 64

(1) 4M x 64

(1) 4M x 64

144MB

(1) 16M x 64

(1) 2M x 64

None
144MB

(1) 8M x 64

(1) 8M x 64

(1) 2M x 64

160MB

(1) 16M x 64

(1) 4M x 64

None

160MB

(1) 16M x 64

(1) 2M x 64

(1) 2M x 64

160MB

(1) 8M x 64

(1) 8M x 64

(1) 4M x 64

176MB

(1) 16M x 64

(1) 4M x 64

(1) 2M x 64

192MB

(1) 16M x 64

(1) 8M x 64

None

192MB

(1) 16M x 64

(1) 4M x 64

(1) 4M x 64

192MB

(1) 8M x 64

(1) 8M x 64

(1) 8M x 64

208MB

(1) 16M x 64

(1) 8M x 64

(1) 2M x 64

224MB

(1) 16M x 64

(1) 8M x 64

(1) 4M x 64

256MB

(1) 32M x 64

None

None

256MB

(1) 16M x 64

(1) 16M x 64

None

256MB

(1) 16M x 64

(1) 8M x 64

(1) 8M x 64

272MB

(1) 32M x 64

(1) 2M x 64

None

272MB

(1) 16M x 64

(1) 16M x 64

(1) 2M x 64

288MB

(1) 32M x 64

(1) 4M x 64

None

288MB

(1) 32M x 64

(1) 2M x 64

(1) 2M x 64

288MB

(1) 16M x 64

(1) 16M x 64

(1) 4M x 64

304MB

(1) 32M x 64

(1) 4M x 64

(1) 2M x 64

320MB

(1) 32M x 64

(1) 8M x 64

None

320MB

(1) 32M x 64

(1) 4M x 64

(1) 4M x 64

320MB

(1) 16M x 64

(1) 16M x 64

(1) 8M x 64

336MB

(1) 32M x 64

(1) 8M x 64

(1) 2M x 64

352MB

(1) 32M x 64

(1) 8M x 64

(1) 4M x 64

384MB

(1) 32M x 64

(1) 16M x 64

none

384MB

(1) 32M x 64

(1) 8M x 64

(1) 8M x 64

384MB

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

400MB

(1) 32M x 64

(1) 16M x 64

(1) 2M x 64

416MB

(1) 32M x 64

(1) 16M x 64

(1) 4M x 64

448MB

(1) 32M x 64

(1) 16M x 64

(1) 8M x 64

512MB

(1) 32M x 64

(1) 32M x 64

None

512MB

(1) 32M x 64

(1) 16M x 64

(1) 16M x 64

528MB

(1) 32M x 64

(1) 32M x 64

(1) 2M x 64

544MB

(1) 32M x 64

(1) 32M x 64

(1) 4M x 64

576MB

(1) 32M x 64

(1) 32M x 64

(1) 8M x 64

640MB

(1) 32M x 64

(1) 32M x 64

(1) 16M x 64

768MB

(1) 32M x 64

(1) 32M x 64

(1) 32M x 64
Note: Board accepts SDRAM memory.


CACHE CONFIGURATION

Note: 256KB/512KB cache is located on the Pentium II/Pentium III CPU.  128KB cache is located on the Celeron 300 & 333A CPU.


CPU SPEED SELECTION (PENTIUM)

CPU speed

Clock speed

Multiplier

JP1 SW1/1 SW1/2 SW1/3 SW1/4

233MHz

66MHz

3.5x

Pins 1 & 2 On On Off Off

266MHz

66MHz

4x

Pins 1 & 2  On On Off On

300MHz

66MHz

4.5x

Pins 1 & 2 Off On Off On

333MHz

66MHz

5x

Pins 1 & 2 On Off Off On

366MHz

66MHz

5.5x

Pins 1 & 2 Off Off Off On
400MHz 66MHz 6x Pins 1 & 2 On On On Off
433MHz 66MHz 6.5x Pins 1 & 2 Off On On Off
350MHz

100MHz

 3.5x Open On On Off Off
400MHz 100MHz 4x Open On On Off On
450MHz 100MHz 4.5x Open Off On Off On
500MHz 100MHz 5x Open On Off Off On
550MHz 100MHz 5.5x Open Off Off Off On
600MHz 100MHz 6x Open On On On Off
650MHz 100MHz 6.5x Open Off On On Off


DIAGNOSTIC LED(S)

LED

Color

 Status Condition
LED1 Yellow On Data is being transmitted/received
LED1 Yellow Off Data is not being transmitted/received
LED2 Green On Network connection is good
LED2 Green Off Network connection is broken

RISER CARD CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

IDE interface LED connector CN10
IDE interface 1 CN1 LAN LED connector CN11
IDE interface 2 CN2 Modem ring connector CN12
Audio in 2 - CD-ROM CN3 Wake on LAN connector CN13
Speaker connector CN4  ATX power fan connector CN14
Reset switch connector CN5 Chassis fan power CN15
Green PC connector CN6 Floppy drive interface CN16
Power switch connector CN7 Wake on LAN connector JP1
Power LED connector CN8 Audio in 1 - CD-ROM JP9
Green PC LED connector CN9 32-bit PCI slots

PC1 - PC2


USER CONFIGURABLE SETTINGS

Function

Label

Position

»

 Factory configured - do not alter J1 Unidentified