GIGA-BYTE TECHNOLOGY CO., INC.
GA-586AT VER. 2x/3x
Processor |
Pentium |
Processor Speed |
75/90/100/120/133/150/166MHz |
Chip Set |
UMC |
Max. Onboard DRAM |
128MB |
Cache |
256/512KB |
BIOS |
Award |
Dimensions |
280mm x 220mm |
I/O Options |
32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Serial port 1 |
CN1 |
Green PC LED |
J5 |
Serial port 2 |
CN2 |
Reset switch |
J6 |
Floppy drive interface |
CN3 |
Turbo switch |
J7 |
Parallel port |
CN4 |
Turbo LED |
J8 |
Chassis fan power |
J1 |
Speaker |
J9 |
IDE interface (primary) |
J2 |
Power LED & keylock |
J10 |
IDE interface (secondary) |
J3 |
32-bit PCI slots |
PC1 - PC3 |
Green PC connector |
J4 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
CPU type select VR or standard CPU |
JP2 |
Open |
CPU type select VRE CPU |
JP2 |
Closed | |
|
Factory configured - do not alter |
JP12 |
N/A |
DRAM CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
2MB |
(2) 256K x 36 |
NONE |
NONE |
4MB |
(2) 256K x 36 |
(2) 256K x 36 |
NONE |
4MB |
(2) 512K x 36 |
NONE |
NONE |
6MB |
(2) 256K x 36 |
(2) 256K x 36 |
(2) 256K x 36 |
6MB |
(2) 512K x 36 |
(2) 256K x 36 |
NONE |
8MB |
(2) 512K x 36 |
(2) 256K x 36 |
(2) 256K x 36 |
8MB |
(2) 1M x 36 |
NONE |
NONE |
10MB |
(2) 256K x 36 |
(2) 1M x 36 |
NONE |
10MB |
(2) 1M x 36 |
(2) 256K x 36 |
NONE |
12MB |
(2) 512K x 36 |
(2) 1M x 36 |
NONE |
12MB |
(2) 1M x 36 |
(2) 256K x 36 |
(2) 256K x 36 |
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
NONE |
16MB |
(2) 2M x 36 |
NONE |
NONE |
18MB |
(2) 256K x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
18MB |
(2) 2M x 36 |
(2) 256K x 36 |
NONE |
20MB |
(2) 512K x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
20MB |
(2) 2M x 36 |
(2) 256K x 36 |
(2) 256K x 36 |
24MB |
(2) 1M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
NONE |
32MB |
(2) 2M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
32MB |
(2) 4M x 36 |
NONE |
NONE |
34MB |
(2) 256K x 36 |
(2) 4M x 36 |
NONE |
34MB |
(2) 4M x 36 |
(2) 256K x 36 |
NONE |
36MB |
(2) 512K x 36 |
(2) 4M x 36 |
NONE |
36MB |
(2) 4M x 36 |
(2) 256K x 36 |
(2) 256K x 36 |
40MB |
(2) 1M x 36 |
(2) 4M x 36 |
NONE |
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
NONE |
48MB |
(2) 2M x 36 |
(2) 4M x 36 |
NONE |
48MB |
(2) 4M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
NONE |
64MB |
(2) 8M x 36 |
NONE |
NONE |
66MB |
(2) 256K x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
66MB |
(2) 8M x 36 |
(2) 256K x 36 |
NONE |
68MB |
(2) 512K x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
68MB |
(2) 8M x 36 |
(2) 256K x 36 |
(2) 256K x 36 |
72MB |
(2) 1M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
NONE |
80MB |
(2) 2M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
DRAM CONFIGURATION (CONT) | |||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
80MB |
(2) 8M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
96MB |
(2) 4M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
NONE |
112MB |
(2) 8M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
128MB |
(2) 8M x 36 |
NONE |
(2) 8M x 36 |
CACHE CONFIGURATION | ||
Size |
Bank 0 |
TAG |
256KB |
(8) 32K x 8 |
(1) 8K x 8 or (1) 32K x 8 |
512KB |
(8) 64K x 8 |
(1) 16K x 8 or (1) 32K x 8 |
CACHE JUMPER CONFIGURATION | |
Size |
JP3 |
256KB |
pins 1 & 2 closed |
512KB |
pins 2 & 3 closed |
CPU SPEED CONFIGURATION | ||
Speed |
JP4 |
JP5 |
75MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
90MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
100MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
120MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
133MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
150MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
CPU SPEED CONFIGURATION (VERSION 2X ONLY) | |
Speed |
JP6 |
75MHz |
Open |
90MHz |
Open |
100MHz |
Open |
120MHz |
Closed |
133MHz |
Closed |
CPU SPEED CONFIGURATION (VERSION 3X ONLY) | |
Speed |
JP6 |
75MHz |
Open |
90MHz |
Open |
100MHz |
Open |
120MHz |
pins 1 & 2 closed |
133MHz |
pins 1 & 2 closed |
150MHz |
pins 1 & 2, 3 & 4 closed |
166MHz |
pins 1 & 2, 3 & 4 closed |
Note: On version 3x, JP6 is a 4-pin jumper. |