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 (CON’T) | ||
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 |