ABIT COMPUTER CORPORATION
PR5 R2 PCI (REV (2.01)
|
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 |
128MB (EDO supported) |
|
Maximum Video Memory |
None |
|
Cache |
256KB |
|
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), IR connector, USB connector |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 1 |
CN1 |
Green PC connector |
J5 pins 7 - 9 |
|
Serial port 2 |
CN2 |
Speaker |
J5 pins 14/16/18/20 |
|
Floppy drive interface |
CN3 |
Reset switch |
J5 pins 17 - 19 |
|
Parallel port |
CN4 |
PS/2 mouse port |
JP3 |
|
IDE interface 2 |
CN5 |
USB connector |
JP6 |
|
IDE interface 1 |
CN6 |
Chassis fan power |
JP9 |
|
IDE interface LED |
J4 |
IR connector |
JP14 |
|
Power LED & keylock |
J5 pins 2/4/6/8/10 |
32-bit PCI slots |
PC1 - PC3 |
|
Turbo LED |
J5 pins 3 - 5 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
CMOS memory normal operation |
JP1 |
Pins 1 & 2 closed |
|
CMOS memory clear |
JP1 |
Pins 2 & 3 closed | |
|
|
Flash BIOS voltage select 12v |
JP4 |
Pins 2 & 3 closed |
|
Flash BIOS voltage select 5v |
JP4 |
Pins 1 & 2 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 |
|
Note: Board accepts EDO memory. | ||
|
CACHE CONFIGURATION | ||
|
Size |
Bank 0 |
TAG |
|
256KB |
(2) 32K x 32 |
(1) 32K x 8 |
|
CPU SPEED SELECTION (CYRIX) | ||||||||
|
CPU speed |
Clock speed |
Multiplier |
DS/1 |
DS/2 |
DS/3 |
DS/4 |
DS/5 |
DS/6 |
|
120MHz |
50MHz |
2x |
Off |
On |
On |
On |
Off |
Off |
|
133MHz |
55MHz |
2x |
Off |
On |
Off |
Off |
On |
Off |
|
150MHz |
60MHz |
2x |
Off |
On |
Off |
On |
On |
Off |
|
166MHz |
66MHz |
2x |
Off |
On |
On |
Off |
On |
Off |
|
CPU SPEED SELECTION (AMD) | ||||||
|
CPU speed |
CPU type |
Clock speed |
Multiplier |
DS/1 |
DS/2 |
DS/3 |
|
75MHz |
SSA/5 |
50MHz |
1.5x |
Off |
Off |
On |
|
75MHz |
SSA/5 |
66MHz |
1x |
Off |
On |
On |
|
90MHz |
SSA/5 |
55MHz |
1.5x |
Off |
Off |
Off |
|
90MHz |
SSA/5 |
60MHz |
1.5x |
Off |
Off |
Off |
|
100MHz |
SSA/5 |
66MHz |
1.5x |
Off |
Off |
On |
|
100MHz |
K5 |
55MHz |
1.5x |
Off |
Off |
Off |
|
100MHz |
K5 |
50MHz |
1.5x |
Off |
Off |
On |
|
120MHz |
K5 |
60MHz |
1.5x |
Off |
Off |
Off |
|
133MHz |
K5 |
66MHz |
1.5x |
Off |
Off |
On |
|
150MHz |
K5 |
60MHz |
2x |
Off |
On |
Off |
|
166MHz |
K5 |
66MHz |
2x |
Off |
On |
On |
|
CPU SPEED SELECTION (AMD, CONT) | ||||||
|
CPU speed |
CPU type |
Clock speed |
Multiplier |
DS/4 |
DS/5 |
DS/6 |
|
75MHz |
SSA/5 |
50MHz |
1.5x |
On |
Off |
Off |
|
75MHz |
SSA/5 |
66MHz |
1x |
Off |
On |
Off |
|
90MHz |
SSA/5 |
55MHz |
1.5x |
Off |
On |
Off |
|
90MHz |
SSA/5 |
60MHz |
1.5x |
On |
On |
Off |
|
100MHz |
SSA/5 |
66MHz |
1.5x |
Off |
On |
Off |
|
100MHz |
K5 |
55MHz |
1.5x |
Off |
On |
Off |
|
100MHz |
K5 |
50MHz |
1.5x |
On |
Off |
Off |
|
120MHz |
K5 |
60MHz |
1.5x |
On |
On |
Off |
|
133MHz |
K5 |
66MHz |
1.5x |
Off |
On |
Off |
|
150MHz |
K5 |
60MHz |
2x |
On |
On |
Off |
|
166MHz |
K5 |
66MHz |
2x |
Off |
On |
Off |
|
CPU SPEED SELECTION (INTEL) | ||||||||
|
CPU speed |
Clock speed |
Multiplier |
DS/1 |
DS/2 |
DS/3 |
DS/4 |
DS/5 |
DS/6 |
|
75MHz |
50MHz |
1.5x |
Off |
Off |
On |
On |
Off |
Off |
|
90MHz |
60MHz |
1.5x |
Off |
Off |
Off |
On |
On |
Off |
|
100MHz |
66MHz |
1.5x |
Off |
Off |
On |
Off |
On |
Off |
|
120MHz |
60MHz |
2x |
Off |
On |
Off |
On |
On |
Off |
|
133MHz |
66MHz |
2x |
Off |
On |
On |
Off |
On |
Off |
|
150MHz |
60MHz |
2.5x |
On |
On |
Off |
On |
On |
Off |
|
166MHz |
66MHz |
2.5x |
On |
On |
On |
Off |
On |
Off |
|
200MHz |
66MHz |
3x |
On |
Off |
On |
Off |
On |
Off |
|
CPU VOLTAGE SELECTION | |||
|
Voltage |
JP11 |
JP12 | |
|
3.38v (STD/VR) |
Pins 3 & 4 closed |
Pins 1 & 2 closed | |
|
3.52v (VRE) |
Pins 5 & 6 closed |
Pins 3 & 4 closed | |