ABIT COMPUTER CORPORATION
PT5 R2 PCI
Processor | CX6X86/AM K5/Pentium |
Processor Speed | 75/90/100/120/133/150/166/180/200MHz |
Chip Set | Intel |
Max. Onboard DRAM | 128MB |
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 |
NPU Options | None |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Serial port 1 | CN1 | IDE interface LED | JP21 |
Serial port 2 | CN2 | Speaker | JW1 |
Parallel port | CN3 | Reset switch | JW2 |
Floppy drive interface | CN4 | Turbo switch | JW3 |
IDE interface 2 | CN5 | Power LED & keylock | JW4 |
IDE interface 1 | CN6 | Turbo LED | JW5 |
PS/2 mouse port | CN7 | 32-bit PCI slots | PC1 - PC3 |
IR connector | JP2 | Cache slot | SL1 |
Green PC connector | JP12 | ||
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Factory configured - do not alter | J1 | Open |
» | On board I/O enabled | JP4 | Open |
On board I/O disabled | JP4 | Closed | |
» | Factory configured - do not alter | JP5 | Open |
» | CMOS memory normal operation | JP10 | Open |
CMOS memory clear | JP10 | Closed | |
» | Factory configured - do not alter | JP16 | Open |
DRAM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
8MB | (2) 1M x 32 | NONE |
8MB | (2) 512K x 32 | (2) 512K x 32 |
10MB | (2) 1M x 32 | (2) 256K x 32 |
10MB | (2) 256K x 32 | (2) 1M x 32 |
12MB | (2) 1M x 32 | (2) 512K x 32 |
12MB | (2) 512K x 32 | (2) 1M x 32 |
16MB | (2) 2M x 32 | NONE |
16MB | (2) 1M x 32 | (2) 1M x 32 |
18MB | (2) 2M x 32 | (2) 256K x 32 |
18MB | (2) 256K x 32 | (2) 2M x 32 |
20MB | (2) 2M x 32 | (2) 512K x 32 |
20MB | (2) 512K 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 |
34MB | (2) 4M x 32 | (2) 256K x 32 |
34MB | (2) 256K x 32 | (2) 4M x 32 |
36MB | (2) 4M x 32 | (2) 512K x 32 |
36MB | (2) 512K x 32 | (2) 4M x 32 |
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 |
66MB | (2) 8M x 32 | (2) 256K x 32 |
66MB | (2) 256K x 32 | (2) 8M x 32 |
68MB | (2) 8M x 32 | (2) 512K x 32 |
68MB | (2) 512K x 32 | (2) 8M x 32 |
72MB | (2) 8M x 32 | (2) 1M x 32 |
72MB | (2) 1M x 32 | (2) 8M x 32 |
DRAM CONFIGURATION (CON’T) | ||
Size | Bank 0 | Bank 1 |
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 |
Note: This board supports fast page and EDO DRAM. | ||
CACHE CONFIGURATION | ||
Size | CA1 & CA2 | SL1 |
256KB | (2) 32K x 32 | Not installed |
512KB | (2) 32K x 32 | Installed |
CACHE SWITCH CONFIGURATION | |
Size | DS/1 |
256KB | Off |
512KB | On |
CPU TYPE CONFIGURATION | |
Type | J2 |
Cyrix | Closed |
Intel | Open |
CPU SPEED CONFIGURATION (CYRIX) | |||||
Speed | DS/2 | DS/3 | DS/4 | DS/5 | DS/6 |
120MHz | Off | On | On | Off | Off |
133MHz | On | Off | Off | Off | Off |
150MHz | On | On | Off | Off | Off |
166MHz | On | Off | On | Off | Off |
CPU SPEED CONFIGURATION (AMD) | ||||||
Speed | Ext clock | DS/2 | DS/3 | DS/4 | DS/5 | DS/6 |
75MHz | 50MHz | Off | On | On | Off | Off |
75MHz | 66MHz | On | Off | On | On | Off |
90MHz | 55MHz | On | Off | Off | Off | Off |
90MHz | 60MHz | On | On | Off | Off | Off |
100MHz | 66MHz | On | Off | On | Off | Off |
100MHz | 55MHz | On | Off | Off | Off | Off |
100MHz | 50MHz | Off | On | On | Off | Off |
120MHz | 60MHz | On | On | Off | Off | Off |
133MHz | 66MHz | On | Off | On | Off | Off |
150MHz | 60MHz | On | On | Off | On | Off |
166MHz | 66MHz | On | Off | On | On | Off |
CPU SPEED CONFIGURATION (INTEL) | |||||
Speed | DS/2 | DS/3 | DS/4 | DS/5 | DS/6 |
75MHz | Off | On | On | Off | Off |
90MHz | On | On | Off | Off | Off |
100MHz | On | Off | On | Off | Off |
120MHz | On | On | Off | On | Off |
133MHz | On | Off | On | On | Off |
150MHz | On | On | Off | On | On |
166MHz | On | Off | On | On | On |
180MHz | On | On | Off | Off | On |
200MHz | On | Off | On | Off | On |
CPU VOLTAGE CONFIGURATION | ||
Voltage | JP20 | |
3.3v | pins 3 & 6 closed | |
| » | 3.45v | pins 2 & 5 closed |
3.6v | pins 1 & 4 closed | |