ABIT COMPUTER CORPORATION
PH5 (REV. 1.1)
|
Processor |
Pentium |
|
Processor Speed |
75/90/100/120/125/133/150/166/180MHz |
|
Chip Set |
SIS |
|
Max. Onboard DRAM |
128MB |
|
Cache |
256/512KB |
|
BIOS |
Award |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VRM module connector, cache slot |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 1 |
CN2 |
Speaker |
J15 pins 7 - 10 |
|
Serial port 2 |
CN3 |
Turbo LED |
J15 pins 12 & 13 |
|
Floppy drive interface |
CN4 |
Turbo switch |
J15 pins 16 - 18 |
|
Parallel port |
CN5 |
Reset switch |
J15 pins 19 & 20 |
|
IDE interface 2 |
CN6 |
IR connector |
JP4 |
|
IDE interface 1 |
CN7 |
Green PC connector |
JP5 |
|
PS/2 mouse port |
J4 |
External battery |
JP34 |
|
VRM module connector |
J12 |
Chassis fan power |
JP37 |
|
IDE interface LED |
J14 |
32-bit PCI slots |
PC1 - PC4 |
|
Power LED & keylock |
J15 pins 1 - 5 |
Cache slot |
SL1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
On board I/O enabled |
JP6 |
Open |
|
On board I/O disabled |
JP6 |
Closed | |
|
|
BIOS type select 5v EPROM |
JP18 |
pins 2 & 3 closed |
|
BIOS type select 12v flash |
JP18 |
pins 1 & 2 closed | |
|
|
Monitor type select color |
JP30 |
Closed |
|
Monitor type select monochrome |
JP30 |
Open | |
|
|
CMOS memory normal operation |
JP33 |
pins 1 & 2 closed |
|
CMOS memory clear |
JP33 |
pins 2 & 3 closed | |
|
|
Factory configured - do not alter |
JP41 |
Open |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
2MB |
(2) 256K x 32 |
NONE |
|
2MB |
NONE |
(2) 256K x 32 |
|
4MB |
(2) 256K x 32 |
(2) 256K x 32 |
|
8MB |
(2) 1M x 32 |
NONE |
|
8MB |
NONE |
(2) 1M x 32 |
|
10MB |
(2) 1M x 32 |
(2) 256K x 32 |
|
10MB |
(2) 256K x 32 |
(2) 1M x 32 |
|
16MB |
(2) 2M x 32 |
NONE |
|
16MB |
(2) 1M x 32 |
(2) 1M x 32 |
|
16MB |
NONE |
(2) 2M x 32 |
|
18MB |
(2) 2M x 32 |
(2) 256K x 32 |
|
18MB |
(2) 256K x 32 |
(2) 2M x 32 |
|
24MB |
(2) 2M x 32 |
(2) 1M x 32 |
|
24MB |
(2) 1M x 32 |
(2) 2M x 32 |
|
32MB |
(2) 4M x 32 |
NONE |
|
32MB |
(2) 2M x 32 |
(2) 2M x 32 |
|
32MB |
NONE |
(2) 4M x 32 |
|
34MB |
(2) 4M x 32 |
(2) 256K x 32 |
|
34MB |
(2) 256K x 32 |
(2) 4M x 32 |
|
DRAM CONFIGURATION (CONT) | ||
|
Size |
Bank 0 |
Bank 1 |
|
40MB |
(2) 4M x 32 |
(2) 1M x 32 |
|
40MB |
(2) 1M x 32 |
(2) 4M x 32 |
|
48MB |
(2) 4M x 32 |
(2) 2M x 32 |
|
48MB |
(2) 2M x 32 |
(2) 4M x 32 |
|
64MB |
(2) 8M x 32 |
NONE |
|
64MB |
(2) 4M x 32 |
(2) 4M x 32 |
|
64MB |
NONE |
(2) 8M x 32 |
|
66MB |
(2) 8M x 32 |
(2) 256K x 32 |
|
66MB |
(2) 256K x 32 |
(2) 8M x 32 |
|
72MB |
(2) 8M x 32 |
(2) 1M x 32 |
|
72MB |
(2) 1M x 32 |
(2) 8M x 32 |
|
80MB |
(2) 8M x 32 |
(2) 2M x 32 |
|
80MB |
(2) 2M x 32 |
(2) 8M x 32 |
|
96MB |
(2) 8M x 32 |
(2) 4M x 32 |
|
96MB |
(2) 4M x 32 |
(2) 8M x 32 |
|
128MB |
(2) 8M x 32 |
(2) 8M x 32 |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
TAG |
SL1 |
|
256KB (A) |
(8) 32K x 8 |
(1) 8K or (1)32K x 8 |
Not installed |
|
256KB (B) |
NONE |
NONE |
Installed |
|
512KB (A) |
(8) 64K x 8 |
(1) 16K or (1) 32K x 8 |
Not installed |
|
512KB (B) |
NONE |
NONE |
Installed |
|
Note: If SL1 is used, remove all chips from Bank 0 & TAG. | |||
|
CACHE JUMPER CONFIGURATION | |||
|
Size |
Type |
JP2 |
JP3 |
|
256KB (A) |
Asynchronous |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
256KB (B) |
Burst/pipeline burst |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
512KB (A) |
Asynchronous |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
512KB (B) |
Burst/pipeline burst |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
CPU SPEED CONFIGURATION | ||
|
Speed |
JP15A |
JP15C |
|
75MHz |
pins 3 & 4, 5 & 6 closed |
Open |
|
90MHz |
pins 1 & 2, 5 & 6 closed |
Open |
|
100MHz |
pins 1 & 2, 3 & 4, 5 & 6 closed |
Open |
|
120MHz |
pins 1 & 2, 5 & 6 closed |
pins 1 & 2 closed |
|
125MHz |
pins 3 & 4, 5 & 6 closed |
pins 1 & 2, 3 & 4 closed |
|
133MHz |
pins 1 & 2, 3 & 4, 5 & 6 closed |
pins 1 & 2 closed |
|
150MHz |
pins 1 & 2, 5 & 6 closed |
pins 1 & 2, 3 & 4 closed |
|
166MHz |
pins 1 & 2, 3 & 4, 5 & 6 closed |
pins 1 & 2, 3 & 4 closed |
|
180MHz |
pins 1 & 2, 5 & 6 closed |
pins 3 & 4 closed |
|
CPU VOLTAGE CONFIGURATION | |
|
Voltage |
JP29 |
|
3.3v |
pins 1 & 2 closed |
|
3.45v |
pins 3 & 4 closed |
|
3.6v |
pins 5 & 6 closed |
|
VRM CONFIGURATION | |
|
Setting |
JP12 |
|
Installed |
VRM module installed |
|
Not installed |
pins 7 & 9, 8 & 10, 11 & 13, 12 & 14 closed |