ABIT COMPUTER CORPORATION
PN5 (REV. 1.4)
|
Processor |
CX M1/AM K5/Pentium |
|
Processor Speed |
75/90/100/120/133/150/166/200MHz |
|
Chip Set |
Intel |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
256MB (EDO supported) |
|
Maximum Video Memory |
None |
|
Cache |
256/512KB |
|
BIOS |
Award |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), cache slot, IR connector, USB connector |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 2 |
CN1 |
Green PC connector |
J7 pins 6 & 7 |
|
Serial port 1 |
CN2 |
Turbo LED |
J7 pins 8 & 9 |
|
Parallel port |
CN3 |
Speaker |
J7 pins 11 - 14 |
|
Floppy drive interface |
CN4 |
Power LED & keylock |
J7 pins 16 - 20 |
|
IDE interface 2 |
CN5 |
IR connector |
JP2 |
|
IDE interface 1 |
CN6 |
Chassis fan power |
JP21 |
|
PS/2 mouse port |
J3 |
USB connector |
JP28 |
|
IDE interface LED |
J6 |
32-bit PCI slots |
PC1 - PC3 |
|
Reset switch |
J7 pins 1 & 2 |
Cache slot |
SL1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
On board I/O enabled |
JP4 |
Open |
|
On board I/O disabled |
JP4 |
Closed | |
|
|
CMOS memory normal operation |
JP26 |
Open |
|
CMOS memory clear |
JP26 |
Closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
8MB |
(2) 1M x 32 |
None |
|
16MB |
(2) 2M x 32 |
None |
|
16MB |
(2) 1M x 32 |
(2) 1M x 32 |
|
24MB |
(2) 2M x 32 |
(2) 1M x 32 |
|
32MB |
(2) 4M x 32 |
None |
|
32MB |
(2) 2M x 32 |
(2) 2M x 32 |
|
40MB |
(2) 4M x 32 |
(2) 1M x 32 |
|
48MB |
(2) 4M x 32 |
(2) 2M x 32 |
|
64MB |
(2) 8M x 32 |
None |
|
64MB |
(2) 4M x 32 |
(2) 4M x 32 |
|
72MB |
(2) 8M x 32 |
(2) 1M x 32 |
|
80MB |
(2) 8M x 32 |
(2) 2M x 32 |
|
96MB |
(2) 8M x 32 |
(2) 4M x 32 |
|
128MB |
(2) 8M x 32 |
(2) 8M x 32 |
|
128MB |
(2) 16M x 32 |
None |
|
136MB |
(2) 16M x 32 |
(2) 1M x 32 |
|
144MB |
(2) 16M x 32 |
(2) 2M x 32 |
|
160MB |
(2) 16M x 32 |
(2) 4M x 32 |
|
192MB |
(2) 16M x 32 |
(2) 8M x 32 |
|
256MB |
(2) 16M x 32 |
(2) 16M x 32 |
|
Note: Board accepts EDO memory. Banks are interchangeable. | ||
|
DRAM REFRESH RATE CONFIGURATION | ||
|
Setting |
DS/6 | |
|
60MHz |
On | |
|
66MHz |
Off | |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
SL1 |
TAG |
|
256KB |
(2) 32K x 32 |
Not installed |
(1) 32K x 8 |
|
512KB |
(2) 32K x 32 |
256KB module installed |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | |||
|
Size |
JP5 |
JP6 |
JP20 |
|
256KB |
Open |
Open |
Open |
|
512KB |
Closed |
Closed |
Closed |
|
CPU SPEED SELECTION (CYRIX) | ||||||
|
CPU speed |
Clock speed |
Multiplier |
DS/1 |
DS/2 |
DS/3 |
DS/4 |
|
120MHz |
50MHz |
2x |
Off |
On |
On |
On |
|
133MHz |
55MHz |
2x |
Off |
On |
Off |
Off |
|
150MHz |
60MHz |
2x |
Off |
On |
Off |
On |
|
166MHz |
66MHz |
2x |
Off |
On |
On |
Off |
|
200MHz |
75MHz |
2x |
Off |
On |
Off |
Off |
|
CPU SPEED SELECTION (CYRIX) | |||||
|
CPU speed |
Clock speed |
Multiplier |
DS/5 |
DS/7 (normal) |
DS/7 (turbo) |
|
120MHz |
50MHz |
2x |
Off |
Off |
On |
|
133MHz |
55MHz |
2x |
On |
Off |
N/A |
|
150MHz |
60MHz |
2x |
On |
Off |
On |
|
166MHz |
66MHz |
2x |
On |
Off |
On |
|
200MHz |
75MHz |
2x |
On |
On |
N/A |
|
CPU SPEED SELECTION (AMD) | ||||||
|
CPU speed |
Clock speed |
Multiplier |
DS/1 |
DS/2 |
DS/3 |
DS/4 |
|
75MHz |
50MHz |
1.5x |
Off |
Off |
On |
On |
|
90MHz |
60MHz |
1.5x |
Off |
Off |
Off |
On |
|
100MHz |
66MHz |
1.5x |
Off |
Off |
On |
Off |
|
120MHz |
60MHz |
1.5x |
Off |
Off |
Off |
On |
|
133MHz |
66MHz |
1.5x |
Off |
Off |
On |
Off |
|
150MHz |
60MHz |
2x |
Off |
On |
Off |
On |
|
166MHz |
66MHz |
2x |
Off |
On |
On |
Off |
|
CPU SPEED SELECTION (AMD, CONT) | |||||
|
CPU speed |
Clock speed |
Multiplier |
DS/5 |
DS/7 (normal) |
DS/7 (turbo) |
|
75MHz |
50MHz |
1.5x |
Off |
Off |
On |
|
90MHz |
60MHz |
1.5x |
On |
Off |
On |
|
100MHz |
66MHz |
1.5x |
On |
Off |
On |
|
120MHz |
60MHz |
1.5x |
On |
Off |
On |
|
133MHz |
66MHz |
1.5x |
On |
Off |
On |
|
150MHz |
60MHz |
2x |
On |
Off |
On |
|
166MHz |
66MHz |
2x |
On |
Off |
On |
|
CPU SPEED SELECTION (INTEL) | ||||||
|
CPU speed |
Clock speed |
Multiplier |
DS/1 |
DS/2 |
DS/3 |
DS/4 |
|
75MHz |
50MHz |
1.5x |
Off |
Off |
On |
On |
|
90MHz |
60MHz |
1.5x |
Off |
Off |
Off |
On |
|
100MHz |
66MHz |
1.5x |
Off |
Off |
On |
Off |
|
120MHz |
60MHz |
2x |
Off |
On |
Off |
On |
|
133MHz |
66MHz |
2x |
Off |
On |
On |
Off |
|
150MHz |
60MHz |
2.5x |
On |
On |
Off |
On |
|
166MHz |
66MHz |
2.5x |
On |
On |
On |
Off |
|
200MHz |
66MHz |
3x |
On |
Off |
On |
Off |
|
CPU SPEED SELECTION (INTEL, CONT) | |||||
|
CPU speed |
Clock speed |
Multiplier |
DS/5 |
DS/7 (normal) |
DS/7 (turbo) |
|
75MHz |
50MHz |
1.5x |
Off |
Off |
On |
|
90MHz |
60MHz |
1.5x |
On |
Off |
On |
|
100MHz |
66MHz |
1.5x |
On |
Off |
On |
|
120MHz |
60MHz |
2x |
On |
Off |
On |
|
133MHz |
66MHz |
2x |
On |
Off |
On |
|
150MHz |
60MHz |
2.5x |
On |
Off |
On |
|
166MHz |
66MHz |
2.5x |
On |
Off |
On |
|
200MHz |
66MHz |
3x |
On |
Off |
On |
|
CPU VOLTAGE SELECTION | |||||||||
|
Voltage |
DSV/1 |
DSV/2 |
DSV/3 |
DSV/4 |
DSV/5 |
DSV/6 |
DSV/7 |
DSV/8 | |
|
2.5v |
Off |
Off |
Off |
Off |
Off |
On |
On |
Off | |
|
2.7v |
Off |
Off |
Off |
Off |
On |
Off |
On |
Off | |
|
2.8v |
Off |
Off |
Off |
On |
Off |
Off |
On |
Off | |
|
2.9v |
Off |
Off |
On |
Off |
Off |
Off |
On |
Off | |
|
3.38v |
Off |
On |
Off |
Off |
Off |
Off |
On |
Off | |
|
3.52v |
On |
Off |
Off |
Off |
Off |
Off |
Off |
On | |