ABIT COMPUTER CORPORATION

BH6 (REV.1.1)

Device Type Mainboard
Processor Pentium II/Celeron/Pentium III
Processor Speed 233/266/300/333/350/366/400/433/450/466/500MHz
Chip Set Intel 440BX
Audio Chip Set Creative Technology
Maximum Onboard Memory 768MB (SDRAM supported)
Maximum Audio Memory Unidentified
Cache 0/128/256/512KB (located on the CPU)
BIOS Award
Dimensions 305mm x 190mm
I/O Options 16-bit ISA slots (2), 32-bit PCI slots (5), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, PS/2 keyboard port, serial ports (2), IR connector, USB ports (2), ATX power connector, AGP slot, Wake-on-LAN connector, SB-Link connector


CONNECTIONS

Purpose

Location

Purpose

Location

AGP slot

AGP

IDE interface 2 IDE2
ATX power connector

ATX

IR connector IR
PS/2 mouse port CN1 16-bit ISA slots IS1 - IS2
PS/2 keyboard port CN2 Power LED & keylock PN1/Pins 1 - 5
USB port 1 CN3 IDE interface LED PN1/Pins 6 & 7
USB port 2 CN4 Power switch PN1/Pins 8 & 9
Serial port 1 CN5 Green PC connector PN1/Pins 10 & 11
Serial port 2 CN6 Reset switch PN2/Pins 1 & 2
Parallel port CN7 Speaker PN2/Pins 4 - 7
CPU fan power FAN1 Green PC LED PN2/Pins 9 & 10
Power fan FAN2 32-bit PCI slots

PC1 - PC5

Floppy drive interface FDD SB-Link connector SB
IDE interface 1 IDE1 Wake-on-LAN connector WOL


USER CONFIGURABLE SETTINGS

Function

Label

Position

»

CMOS memory normal operation

CMOS

Pins 1 & 2 closed

  CMOS memory clear

CMOS

Pins 2 & 3 closed


DIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

8MB

(1) 1M x 64

None

None

16MB

(1) 1M x 64

(1) 1M x 64

None

16MB

(1) 2M x 64

None

None

24MB

(1) 1M x 64

(1) 1M x 64

(1) 1M x 64

32MB

(1) 2M x 64

(1) 2M x 64

None

32MB

(1) 4M x 64

None

None

32MB

(1) 2M x 64

(1) 1M x 64

(1) 1M x 64

48MB

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

48MB

(1) 4M x 64

(1) 1M x 64

(1) 1M x 64

64MB

(1) 4M x 64

(1) 4M x 64

None

64MB

(1) 8M x 64

None

None

64MB

(1) 4M x 64

(1) 2M x 64

(1) 2M x 64

80MB

(1) 8M x 64

(1) 1M x 64

(1) 1M x 64

96MB

(1) 4M x 64

(1) 4M x 64

(1) 4M x 64

96MB

(1) 8M x 64

(1) 2M x 64

(1) 2M x 64

128MB

(1) 8M x 64

(1) 8M x 64

None

128MB

(1) 16M x 64

None

None

128MB

(1) 8M x 64

(1) 4M x 64

(1) 4M x 64

144MB

(1) 16M x 64

(1) 1M x 64

(1) 1M x 64

160MB

(1) 16M x 64

(1) 2M x 64

(1) 2M x 64

192MB

(1) 8M x 64

(1) 8M x 64

(1) 8M x 64

192MB

(1) 16M x 64

(1) 4M x 64

(1) 4M x 64

256MB

(1) 16M x 64

(1) 16M x 64

None

256MB

(1) 32M x 64

None

None

256MB

(1) 16M x 64

(1) 8M x 64

(1) 8M x 64

272MB

(1) 32M x 64

(1) 1M x 64

(1) 1M x 64

288MB

(1) 32M x 64

(1) 2M x 64

(1) 2M x 64

320MB

(1) 32M x 64

(1) 4M x 64

(1) 4M x 64

384MB

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

384MB

(1) 32M x 64

(1) 8M 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

768MB

(1) 32M x 64

(1) 32M x 64

(1) 32M x 64

Note:  Board supports SDRAM memory.


CACHE CONFIGURATION

Note:  512KB cache is located on the Pentium III CPUs.  256KB/512KB cache is located on the Pentium II CPUs.  128KB cache is located on the Celeron 300A and greater CPUs.