GIGA-BYTE TECHNOLOGY CO., LTD.
GA-586SG
| Device Type | Mainboard |
| Processor | CX 6X86/IBM 6X86/CX 6X86L/IBM 6X86L/CX 6X86MX/IBM 6X86MX/AM K5/AM K6/Pentium/Pentium MMX |
| Processor Speed | 90/100/120/133/150/166/180/200/233/266MHz |
| Chip Set | SIS |
| Maximum Onboard Memory | 768MB (EDO & SDRAM supported) |
| Cache | 512KB |
| BIOS | Award |
| Dimensions | 220mm x 250mm |
| I/O Options (backplane) | 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), USB connectors (2), ATX power connector, AGP slot |
CONNECTIONS |
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| Purpose | Location |
Purpose | Location |
| AGP slot | AGP |
CPU fan power | JP3 |
| ATX power connector | ATX |
Speaker | JP7 |
| Floppy drive interface | CN1 |
Turbo LED connector | JP8 |
| Serial port 1 | CN2 |
Turbo switch | JP9 |
| Serial port 2 | CN3 |
Reset switch | JP10 |
| Parallel port | CN4 |
Green PC connector | JP11 |
| IDE interface 1 | IDE1 |
IDE interface LED | JP12 |
| IDE interface 2 | IDE2 |
Soft off power supply | JP13 |
| PS/2 mouse interface | J3 |
Wake-on-LAN connector | JP15 |
| USB connector | J4 |
PCI expansion ports | PC1 - PC4 |
| Power LED & keylock | JP1 |
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USER CONFIGURABLE SETTINGS |
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Function |
Label |
Position |
|
| Keyboard power-on disabled | JP2 |
Open |
|
| Keyboard power-on enabled | JP2 |
Closed |
|
DIMM CONFIGURATION |
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Size |
Bank 0 |
Bank 1 |
8MB |
(1) 1M x 64 |
None |
16MB |
(1) 2M x 64 |
None |
16MB |
(1) 1M x 64 |
(1) 1M x 64 |
24MB |
(1) 2M x 64 |
(1) 1M x 64 |
32MB |
(1) 4M x 64 |
None |
32MB |
(1) 2M x 64 |
(1) 2M x 64 |
40MB |
(1) 4M x 64 |
(1) 1M x 64 |
48MB |
(1) 4M x 64 |
(1) 2M x 64 |
64MB |
(1) 8M x 64 |
None |
64MB |
(1) 4M x 64 |
(1) 4M x 64 |
72MB |
(1) 8M x 64 |
(1) 1M x 64 |
80MB |
(1) 8M x 64 |
(1) 2M x 64 |
96MB |
(1) 8M x 64 |
(1) 4M x 64 |
128MB |
(1) 16M x 64 |
None |
128MB |
(1) 8M x 64 |
(1) 8M x 64 |
136MB |
(1) 16M x 64 |
(1) 1M x 64 |
144MB |
(1) 16M x 64 |
(1) 2M x 64 |
160MB |
(1) 16M x 64 |
(1) 4M x 64 |
192MB |
(1) 16M x 64 |
(1) 8M x 64 |
256MB |
(1) 16M x 64 |
(1) 16M x 64 |
SIMM CONFIGURATION |
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Size |
Bank 0 |
Bank 1 |
8MB |
(2) 1M x 36 |
None |
16MB |
(2) 2M x 36 |
None |
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
32MB |
(2) 4M x 36 |
None |
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
64MB |
(2) 8M x 36 |
None |
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
80MB |
(2) 8M x 36 |
(2) 2M x 36 |
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
128MB |
(2) 16M x 36 |
None |
136MB |
(2) 16M x 36 |
(2) 1M x 36 |
144MB |
(2) 16M x 36 |
(2) 2M x 36 |
160MB |
(2) 16M x 36 |
(2) 4M x 36 |
192MB |
(2) 16M x 36 |
(2) 8M x 36 |
256MB |
(2) 16M x 36 |
(2) 16M x 36 |
256MB |
(2) 32M x 36 |
None |
264MB |
(2) 32M x 36 |
(2) 1M x 36 |
272MB |
(2) 32M x 36 |
(2) 2M x 36 |
288MB |
(2) 32M x 36 |
(2) 4M x 36 |
320MB |
(2) 32M x 36 |
(2) 8M x 36 |
384MB |
(2) 32M x 36 |
(2) 16M x 36 |
512MB |
(2) 32M x 36 |
(2) 32M x 36 |
| Note: Board accepts EDO memory. | ||
CPU SPEED SELECTION (INTEL) |
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Speed |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
90MHz |
On |
Off |
Off |
Off |
Off |
Off |
On |
Off |
100MHz |
Off |
Off |
Off |
Off |
Off |
Off |
On |
Off |
120MHz |
On |
On |
Off |
Off |
Off |
Off |
On |
Off |
133MHz |
Off |
On |
Off |
Off |
Off |
Off |
On |
Off |
150MHz |
On |
On |
On |
Off |
Off |
Off |
On |
Off |
166MHz |
Off |
On |
On |
Off |
Off |
Off |
On |
Off |
180MHz |
On |
Off |
On |
Off |
Off |
Off |
On |
Off |
200MHz |
Off |
Off |
On |
Off |
Off |
Off |
On |
Off |
| Note: PC54CT and PC54CTB models also use these settings. | ||||||||
CPU SPEED SELECTION (INTEL CON'T) |
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Speed |
JP4 |
JP5 |
JP6 |
90MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
100MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
120MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
133MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
150MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
166MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
180MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
200MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
| Note: PC54CT and PC54CTB models also use these settings. | |||
CPU SPEED SELECTION (INTEL MMX) |
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Speed |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
150MHz |
On |
On |
On |
Off |
Off |
Off |
On |
Off |
166MHz |
Off |
On |
On |
Off |
Off |
Off |
On |
Off |
200MHz |
Off |
Off |
On |
Off |
Off |
Off |
On |
Off |
233MHz |
Off |
Off |
Off |
Off |
Off |
Off |
On |
Off |
CPU SPEED SELECTION (INTEL MMX CON'T) |
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Speed |
JP4 |
JP5 |
JP6 |
150MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
166MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
200MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
233MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
CPU SPEED SELECTION (AM K5) |
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Speed |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
133MHz |
Off |
On |
Off |
Off |
Off |
Off |
On |
Off |
166MHz |
Off |
On |
On |
Off |
Off |
Off |
On |
Off |
CPU SPEED SELECTION (AM K5 CON'T) |
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Speed |
JP4 |
JP5 |
JP6 |
133MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
166MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
CPU SPEED SELECTION (AM K6) |
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Speed |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
160MHz |
Off |
On |
On |
Off |
Off |
On |
On |
Off |
180MHz |
On |
Off |
On |
Off |
Off |
On |
On |
Off |
200MHz |
Off |
Off |
On |
Off |
Off |
On |
On |
Off |
233MHz |
Off |
Off |
Off |
On |
Off |
Off |
On |
Off |
CPU SPEED SELECTION (AM K6 CON'T) |
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Speed |
JP4 |
JP5 |
JP6 |
160MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
180MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
200MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
233MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
CPU SPEED SELECTION (CX/IBM 6X86) |
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Speed |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
120MHz |
On |
On |
Off |
Off |
Off |
Off |
On |
Off |
133MHz |
Off |
On |
Off |
Off |
Off |
Off |
On |
Off |
150MHz |
Off |
On |
Off |
Off |
Off |
Off |
On |
Off |
CPU SPEED SELECTION (CX/IBM 6X86 CON'T) |
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Speed |
JP4 |
JP5 |
JP6 |
120MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
133MHz |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
150MHz |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
CPU SPEED SELECTION (CX/IBM 6X86L) |
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Speed |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
PR150+ |
On |
On |
Off |
Off |
Off |
Off |
On |
Off |
PR166+ |
Off |
On |
Off |
Off |
Off |
Off |
On |
Off |
PR200+ |
Off |
On |
Off |
Off |
Off |
Off |
On |
Off |
CPU SPEED SELECTION (CX/IBM 6X86L CON'T) |
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Speed |
JP4 |
JP5 |
JP6 |
PR150+ |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
PR166+ |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
PR200+ |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
CPU SPEED SELECTION (CX/IBM 6X86MX) |
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Speed |
Clock Speed |
Multiplier |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
PR150 |
60MHz |
2x |
On |
On |
Off |
Off |
PR166 |
60MHz |
2.5x |
On |
On |
On |
Off |
PR166 |
66MHz |
2x |
Off |
On |
Off |
Off |
PR200 |
60MHz |
3x |
On |
Off |
On |
Off |
PR200 |
66MHz |
2.5x |
Off |
On |
On |
Off |
PR200 |
75MHz |
2x |
Off |
On |
Off |
Off |
PR233 |
66MHz |
3x |
Off |
Off |
On |
Off |
PR233 |
75MHz |
2.5x |
Off |
On |
On |
Off |
PR233 |
83MHz |
2x |
On |
On |
Off |
Off |
PR266 |
66MHz |
3.5x |
Off |
Off |
Off |
Off |
PR266 |
75MHz |
3x |
Off |
Off |
On |
Off |
PR266 |
83MHz |
2.5x |
On |
On |
On |
Off |
CPU SPEED SELECTION (CX/IBM 6X86MX CON'T) |
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Speed |
Clock Speed |
Multiplier |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
PR150 |
60MHz |
2x |
Off |
On |
On |
Off |
PR166 |
60MHz |
2.5x |
Off |
On |
On |
Off |
PR166 |
66MHz |
2x |
Off |
On |
On |
Off |
PR200 |
60MHz |
3x |
Off |
On |
On |
Off |
PR200 |
66MHz |
2.5x |
Off |
On |
On |
Off |
PR200 |
75MHz |
2x |
Off |
On |
On |
Off |
PR233 |
66MHz |
3x |
Off |
On |
On |
Off |
PR233 |
75MHz |
2.5x |
Off |
On |
On |
Off |
PR233 |
83MHz |
2x |
Off |
On |
On |
Off |
PR266 |
66MHz |
3.5x |
Off |
On |
On |
Off |
PR266 |
75MHz |
3x |
Off |
On |
On |
Off |
PR266 |
83MHz |
2.5x |
Off |
On |
On |
Off |
| CPU SPEED SELECTION (CX/IBM 6X86MX CON'T) | |||||
Speed |
Clock Speed |
Mulitiplier |
JP4 |
JP5 |
JP6 |
PR150 |
60MHz |
2x |
2 & 3 |
2 & 3 |
2 & 3 |
PR166 |
60MHz |
2.5x |
2 & 3 |
2 & 3 |
2 & 3 |
PR166 |
66MHz |
2x |
2 & 3 |
2 & 3 |
2 & 3 |
PR200 |
60MHz |
3x |
2 & 3 |
2 & 3 |
2 & 3 |
PR200 |
66MHz |
2.5x |
2 & 3 |
2 & 3 |
2 & 3 |
PR200 |
75MHz |
2x |
1 & 2 |
2 & 3 |
1 & 2 |
PR233 |
66MHz |
3x |
2 & 3 |
2 & 3 |
2 & 3 |
PR233 |
76MHz |
2.5x |
1 & 2 |
2 & 3 |
1 & 2 |
PR233 |
83MHz |
2x |
1 & 2 |
1 & 2 |
2 & 3 |
PR266 |
66MHz |
3.5x |
2 & 3 |
2 & 3 |
2 & 3 |
PR266 |
75MHz |
3x |
1 & 2 |
2 & 3 |
1 & 2 |
PR266 |
83MHz |
2.5x |
1 & 2 |
1 & 2 |
2 & 3 |
| Note: Indicated pins are in the closed position. | |||||