GIGA-BYTE TECHNOLOGY CO., LTD.
GA-5486AL
Processor | 80486DX/IBMDX2/CX486DX2/80486DX2/AM486DX4/ST486DX4/80486DX4/ P24D/Pentium Overdrive/AM5X86/CX5X86 |
Processor Speed | 25/33/40/50(internal)/66(internal)/75(internal)/80(internal)/100(internal)/ 120(internal)/133(internal)MHz |
Chip Set | ALI |
Max. Onboard DRAM | 128MB |
Cache | 128/256/512KB |
BIOS | Award |
Dimensions | 220mm x 210mm |
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 | IDE interface LED | J2 |
Serial port 2 | CN2 | Reset switch | J3 |
Parallel port | CN3 | Turbo switch | J4 |
Floppy drive interface | CN4 | Green PC LED | J5 |
IDE interface 2 | CN5 | Speaker | J6 |
IDE interface 1 | CN6 | Power LED & keylock | J7 |
Green PC connector | J1 | 32-bit PCI slots | PC1 - PC3 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Factory configured - do not alter | JP3 | N/A |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
1MB | (1) 256K x 36 | NONE | NONE | NONE |
2MB | (1) 256K x 36 | (1) 256K x 36 | NONE | NONE |
2MB | (1) 512K x 36 | NONE | NONE | NONE |
3MB | (1) 256K x 36 | (1) 256K x 36 | (1) 256K x 36 | NONE |
4MB | (1) 1M x 36 | NONE | NONE | NONE |
4MB | (1) 256K x 36 | (1) 256K x 36 | (1) 256K x 36 | (1) 256K x 36 |
4MB | (1) 512K x 36 | (1) 512K x 36 | NONE | NONE |
5MB | (1) 1M x 36 | (1) 256K x 36 | NONE | NONE |
5MB | (1) 256K x 36 | (1) 1M x 36 | NONE | NONE |
6MB | (1) 1M x 36 | (1) 256K x 36 | (1) 256K x 36 | NONE |
7MB | (1) 1M x 36 | (1) 256K x 36 | (1) 256K x 36 | (1) 256K x 36 |
8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE |
8MB | (1) 2M x 36 | NONE | NONE | NONE |
9MB | (1) 256K x 36 | (1) 1M x 36 | (1) 1M x 36 | NONE |
10MB | (1) 2M x 36 | (1) 512K x 36 | NONE | NONE |
10MB | (1) 512K x 36 | (1) 2M x 36 | NONE | NONE |
12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x 36 | NONE |
13MB | (1) 256K x 36 | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x 36 |
16MB | (1) 4M x 36 | NONE | NONE | NONE |
16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x 36 |
16MB | (1) 2M x 36 | (1) 2M x 36 | NONE | NONE |
17MB | (1) 4M x 36 | (1) 256K x 36 | NONE | NONE |
17MB | (1) 256K x 36 | (1) 4M x 36 | NONE | NONE |
18MB | (1) 4M x 36 | (1) 256K x 36 | (1) 256K x 36 | NONE |
19MB | (1) 4M x 36 | (1) 256K x 36 | (1) 256K x 36 | (1) 256K x 36 |
20MB | (1) 4M x 36 | (1) 1M x 36 | NONE | NONE |
20MB | (1) 1M x 36 | (1) 4M x 36 | NONE | NONE |
24MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x 36 | NONE |
28MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x 36 |
32MB | (1) 4M x 36 | (1) 4M x 36 | NONE | NONE |
32MB | (1) 8M x 36 | NONE | NONE | NONE |
33MB | (1) 256K x 36 | (1) 4M x 36 | (1) 4M x 36 | NONE |
34MB | (1) 8M x 36 | (1) 512K x 36 | NONE | NONE |
34MB | (1) 512K x 36 | (1) 8M x 36 | NONE | NONE |
36MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x 36 | NONE |
40MB | (1) 8M x 36 | (1) 2M x 36 | NONE | NONE |
40MB | (1) 2M x 36 | (1) 8M x 36 | NONE | NONE |
48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 | NONE |
49MB | (1) 256K x 36 | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 |
52MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 |
64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 |
DRAM CONFIGURATION (CON’T) | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
64MB | (1) 16M x 36 | NONE | NONE | NONE |
64MB | (1) 8M x 36 | (1) 8M x 36 | NONE | NONE |
66MB | (1) 16M x 36 | (1) 512K x 36 | NONE | NONE |
66MB | (1) 512K x 36 | (1) 16M x 36 | NONE | NONE |
72MB | (1) 16M x 36 | (1) 2M x 36 | NONE | NONE |
72MB | (1) 2M x 36 | (1) 16M x 36 | NONE | NONE |
96MB | (1) 16M x 36 | (1) 8M x 36 | NONE | NONE |
96MB | (1) 8M x 36 | (1) 16M x 36 | NONE | NONE |
128MB | (1) 16M x 36 | (1) 16M x 36 | NONE | NONE |
CACHE CONFIGURATION | ||
Size | Bank 0 | TAG |
128KB | (4) 32K x 8 | (1) 8K x 8 |
256KB | (4) 64K x 8 | (1) 16K x 8 |
512KB | (4) 128K x 8 | (1) 32K x 8 |
CACHE JUMPER CONFIGURATION | |
Size | JP4 |
128KB | Open |
256KB | pins 2 & 4 closed |
512KB | pins 1 & 3, 2 & 4 closed |
CPU TYPE CONFIGURATION | ||||
Type | J9 | JP11 | JP12 | JP13 |
80486DX-33 | pins 1 & 2 closed | Closed | Open | pins 1 & 2 closed |
IBM DX2 | pins 1 & 2 closed | Open | Closed | pins 1 & 2 closed |
CX486DX2-66 | pins 1 & 2 closed | Open | Closed | pins 1 & 2 closed |
80486DX2-66 | pins 1 & 2 closed | Closed | Open | pins 1 & 2 closed |
CX486DX4-100 | pins 1 & 2 closed | Open | Closed | pins 1 & 2 closed |
AM486DX4-100 (NV8T) | pins 1 & 2 closed | Closed | Open | pins 3 & 4 closed |
AM486DX4-100 (SV8B) | pins 2 & 3 closed | Closed | Open | pins 1 & 2 closed |
AM486DX4-120 (NV8T) | pins 2 & 3 closed | Closed | Open | pins 3 & 4 closed |
AM486DX4-120 (SV8B) | pins 2 & 3 closed | Closed | Open | pins 1 & 2 closed |
ST486DX4-100 | pins 1 & 2 closed | Closed | Open | pins 1 & 2 closed |
80486DX4-75 (3v) | pins 1 & 2 closed | Closed | Open | pins 1 & 2 closed |
80486DX4-75 (5v) | pins 1 & 2 closed | Closed | Open | pins 1 & 2 closed |
80486DX4-100 (3v) | pins 1 & 2 closed | Closed | Open | pins 1 & 2 closed |
80486DX4-100 (5v) | pins 1 & 2 closed | Closed | Open | pins 1 & 2 closed |
P24D | pins 1 & 2 closed | Closed | Open | pins 1 & 2 closed |
P24T 63WB | pins 2 & 3 closed | Closed | Open | pins 1 & 2 closed |
P24T 83WB | pins 2 & 3 closed | Closed | Open | pins 1 & 2 closed |
AM5X86-P75 | pins 2 & 3 closed | Closed | Open | pins 1 & 2 closed |
CX5X86-100 | pins 1 & 2 closed | Closed | Open | pins 1 & 2 closed |
CX5X86-120 | pins 2 & 3 closed | Closed | Open | pins 1 & 2 closed |
CX5X86-133 | pins 1 & 2 closed | Closed | Open | pins 1 & 2 closed |
CPU TYPE CONFIGURATION (CON’T) | |||
Type | JP14 | JP15 | JP16 |
80486DX-33 | pins 3 & 6 closed | pins 1 & 2 closed | Open |
IBM DX2 | pins 2 & 5 closed | pins 1 & 2 closed | Open |
CX486DX2-66 | pins 2 & 5 closed | pins 1 & 2 closed | Open |
80486DX2-66 | pins 3 & 6 closed | pins 1 & 2 closed | Open |
CX486DX4-100 | pins 2 & 5 closed | pins 1 & 2 closed | Open |
AM486DX4-100 (NV8T) | pins 2 & 5 closed | pins 1 & 2 closed | Open |
AM486DX4-100 (SV8B) | pins 2 & 5 closed | pins 1 & 2 closed | Open |
AM486DX4-120 (NV8T) | pins 2 & 5 closed | pins 1 & 2 closed | Open |
AM486DX4-120 (SV8B) | pins 2 & 5 closed | pins 1 & 2 closed | Open |
ST486DX4-100 | pins 2 & 5 closed | pins 1 & 2 closed | Open |
80486DX4-75 (3v) | pins 2 & 5 closed | pins 1 & 2 closed | Open |
80486DX4-75 (5v) | pins 3 & 6 closed | pins 1 & 2 closed | Closed |
80486DX4-100 (3v) | pins 2 & 5 closed | pins 1 & 2 closed | Open |
80486DX4-100 (5v) | pins 3 & 6 closed | pins 1 & 2 closed | Closed |
P24D | pins 3 & 6 closed | pins 1 & 2 closed | Open |
P24T 63WB | pins 3 & 6 closed | pins 1 & 2 closed | Closed |
P24T 83WB | pins 3 & 6 closed | pins 1 & 2 closed | Closed |
AM5X86-P75 | pins 2 & 5 closed | pins 2 & 3 closed | Open |
CX5X86-100 | pins 2 & 5 closed | pins 1 & 2 closed | Open |
CX5X86-120 | pins 2 & 5 closed | pins 1 & 2 closed | Open |
CX5X86-133 | pins 2 & 5 closed | pins 2 & 3 closed | Open |
CPU TYPE CONFIGURATION (CON’T) | |||
Type | JP17 | RN3 | RN4 |
80486DX-33 | pins 2 & 3 closed | Installed | Not installed |
IBM DX2 | pins 2 & 3 closed | Not installed | Installed |
CX486DX2-66 | pins 2 & 3 closed | Not installed | Installed |
80486DX2-66 | pins 2 & 3 closed | Installed | Not installed |
CX486DX4-100 | pins 2 & 3 closed | Not installed | Installed |
AM486DX4-100 (NV8T) | pins 1 & 2 closed | Installed | Not installed |
AM486DX4-100 (SV8B) | pins 1 & 2 closed | Installed | Not installed |
AM486DX4-120 (NV8T) | pins 1 & 2 closed | Installed | Not installed |
AM486DX4-120 (SV8B) | pins 1 & 2 closed | Installed | Not installed |
ST486DX4-100 | pins 2 & 3 closed | Installed | Not installed |
80486DX4-75 (3v) | pins 2 & 3 closed | Installed | Not installed |
80486DX4-75 (5v) | pins 2 & 3 closed | Installed | Not installed |
80486DX4-100 (3v) | pins 2 & 3 closed | Installed | Not installed |
80486DX4-100 (5v) | pins 2 & 3 closed | Installed | Not installed |
P24D | pins 1 & 2 closed | Installed | Not installed |
P24T 63WB | pins 2 & 3 closed | Installed | Not installed |
P24T 83WB | pins 2 & 3 closed | Installed | Not installed |
AM5X86-P75 | pins 1 & 2 closed | Installed | Not installed |
CX5X86-100 | pins 2 & 3 closed | Installed | Not installed |
CX5X86-120 | pins 2 & 3 closed | Installed | Not installed |
CX5X86-133 | pins 2 & 3 closed | Installed | Not installed |
CPU SPEED CONFIGURATION | ||||
Speed | JP7 | JP8 | JP9 | JP10 |
25MHz | pins 1 & 2 closed | pins 2 & 3 closed | pins 1 & 2 closed | Open |
33MHz | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed | Open |
40MHz | pins 2 & 3 closed | pins 2 & 3 closed | pins 2 & 3 closed | Closed |
50iMHz | pins 1 & 2 closed | pins 2 & 3 closed | pins 1 & 2 closed | Open |
66iMHz | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed | Open |
75iMHz | pins 1 & 2 closed | pins 2 & 3 closed | pins 1 & 2 closed | Open |
80iMHz | pins 2 & 3 closed | pins 2 & 3 closed | pins 2 & 3 closed | Closed |
100iMHz | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed | Open |
120iMHz | pins 2 & 3 closed | pins 2 & 3 closed | pins 2 & 3 closed | Closed |
133iMHz | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed | Open |