VEXTREC TECHNOLOGY, INC.
GMB-486APS (VER. 1.00)
|
Device Type |
Mainboard |
|
Processor |
80486SX/DX/DX2/DX4/P24/AM486DX2/DX4/ AM 5X86/AM K5/AM K6/CX486DX/DX2/DX4/CX 5X86/CX 6X86/CX 6X86L/TI 486DX2/SGS ST486SX |
|
Processor Speed |
25/33/40/50/60/66/75/90/100/120/133 |
|
Chip Set |
ALI |
|
Maximum Onboard Memory |
128MB (EDO & SDRAM supported) |
|
Cache |
128/256/512KB |
|
BIOS |
Award |
|
Dimensions |
220mm x 220mm |
|
I/O Options |
32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, serial ports (2), IR connector, Green PC connector |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
IDE interface 1 |
CN1 |
Reset switch |
J2 |
|
IDE interface 2 |
CN2 |
Turbo switch |
J3 |
|
Parallel port |
CN3 |
Turbo LED |
J4 |
|
Floppy drive interface |
CN4 |
Power LED & keylock |
J5 |
|
IR connector |
CN5 |
Speaker |
J6 |
|
Serial port 1 |
CN6 |
IDE interface LED |
J7 |
|
Serial port 2 |
CN7 |
Green PC connector |
JP21 |
|
External battery |
J1 |
32-bit PCI slots |
PC1 - PC4 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
CMOS memory normal operation |
J1 |
Pins 1 & 2 closed |
|
CMOS memory clear |
J1 |
Pins 2 & 3 closed | |
|
Flash BIOS voltage select 5V |
JP9 |
Pins 1 & 2 closed | |
|
Flash BIOS voltage select 12V |
JP9 |
Pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
2MB |
(2) 256K x 36 |
None |
|
4MB |
(2) 256K x 36 |
(2) 256K x 36 |
|
4MB |
(2) 512K x 36 |
None |
|
8MB |
(2) 512K x 36 |
(2) 512K x 36 |
|
8MB |
(2) 1MB x 36 |
None |
|
16MB |
(2) 1MB x 36 |
(2) 1MB x 36 |
|
16MB |
(2) 2MB x 36 |
None |
|
24MB |
(2) 2MB x 36 |
(2) 1MB x 36 |
|
32MB |
(2) 2MB x 36 |
(2) 2MB x 36 |
|
32MB |
(2) 4MB x 36 |
None |
|
40MB |
(2) 4MB x 36 |
(2) 1MB x 36 |
|
48MB |
(2) 4MB x 36 |
(2) 2MB x 36 |
|
64MB |
(2) 4MB x 36 |
(2) 4MB x 36 |
|
64MB |
(2) 8MB x 36 |
None |
|
72MB |
(2) 8MB x 36 |
(2) 1MB x 36 |
|
80MB |
(2) 8MB x 36 |
(2) 2MB x 36 |
|
96MB |
(2) 8MB x 36 |
(2) 4MB x 36 |
|
128MB |
(2) 8MB x 36 |
(2) 8MB x 36 |
|
CACHE MEMORY CONFIGURATION | ||
|
Size |
Bank 0 |
TAG |
|
128KB |
32K x 8 |
8K x 8 |
|
256KB |
64K x 8 |
16K x 8 |
|
512KB |
128K x 8 |
32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||
|
Size |
JP15 |
JP30 |
|
128KB |
Open |
Pins 2 & 3 closed |
|
256KB |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
512KB |
Pins 1 & 2, 3 & 4 closed |
Pins 1 & 2 closed |
|
CPU SPEED SELECTION | |||||
|
Speed |
JP2 |
JP5 |
JP6 |
JP7 |
JP8 |
|
25MHz |
1 & 2 |
Open |
Open |
1 & 2 |
Open |
|
33MHz |
1 & 2 |
Closed |
Closed |
1 & 2 |
Open |
|
40MHz |
2 & 3 |
Closed |
Open |
2 & 3 |
Closed |
|
Note: Pins designated are in the closed position. | |||||
|
CPU TYPE SELECTION (INTEL) | |||||
|
CPU type |
JP19 |
JP20 |
JP22 |
JP23 |
JP24 |
|
80486DX2/DX4 (P24C) |
2 & 3 |
Open |
Open |
1 & 2 |
1 & 2 |
|
80486DX2 (P24D) (L1WB) |
2 & 3 |
Open |
5 & 6 |
2 & 3 |
1 & 2 |
|
80486DX/DX2 |
2 & 3 |
Open |
Open |
1 & 2 |
Open |
|
80487SX |
1 & 2 |
Open |
Open |
1 & 2 |
Open |
|
80486SX/SX2 |
Open |
Open |
Open |
1 & 2 |
1 & 2 |
|
80486SX |
Open |
Open |
Open |
1 & 2 |
Open |
|
P24T |
1 & 2 |
Open |
Open |
2 & 3 |
1 & 2 |
|
Note: Designated pins are in the closed position. | |||||
|
CPU TYPE SELECTION (INTEL) (CONT) | |||||
|
Type |
JP25 |
JP26 |
JP27 |
JP28 |
JP29 |
|
80486DX2/DX4 (P24C) |
Closed |
3 & 4 |
1 & 2 |
2 & 3 |
Open |
|
80486DX2 (P24D) (L1WB) |
Closed |
3 & 4 |
1 & 2 |
2 & 3 |
3 & 4 |
|
80486DX/DX2 |
Open |
1 & 2 |
Open |
2 & 3 |
Open |
|
80487SX |
Open |
1 & 2 |
Open |
2 & 3 |
Open |
|
80486SX/SX2 |
Closed |
3 & 4 |
1 & 2 |
1 & 2 |
Open |
|
80486SX |
Open |
1 & 2 |
Open |
1 & 2 |
Open |
|
P24T |
Closed |
3 & 4 |
1 & 2 |
2 & 3 |
Open |
|
Note: Designated pins are in the closed position. | |||||
|
CPU TYPE SELECTION (CYRIX) | |||||
|
Type |
JP19 |
JP20 |
JP22 |
JP23 |
JP24 |
|
486DX4-GP4 |
2 & 3 |
Open |
Open |
1 & 2 |
1 & 2 |
|
DX/DX2/DX2-V/DX4-GP |
2 & 3 |
Open |
1 & 2 |
1 & 2 |
3 & 4 |
|
CX 5X86 |
2 & 3 |
Open |
5 & 6 |
1 & 2 |
1 & 2 |
|
Note: Designated pins are in the closed position. | |||||
|
CPU TYPE SELECTION (CYRIX) (CONT) | |||||
|
Type |
JP25 |
JP26 |
JP27 |
JP28 |
JP29 |
|
486DX4-GP4 |
Closed |
3 & 4 |
1 & 2 |
2 & 3 |
Open |
|
DX/DX2/DX2-V/DX4-GP |
Closed |
5 & 6 |
3 & 4 |
2 & 3 |
1 & 2 |
|
CX 5X86 |
Closed |
3 & 4 |
1 & 2 |
2 & 3 |
3 & 4 |
|
Note: Designated pins are in the closed position. | |||||
|
CPU TYPE SELECTION (AMD) | |||||
|
Type |
JP19 |
JP20 |
JP22 |
JP23 |
JP24 |
|
Am486DX2/DX4 |
2 & 3 |
Open |
Open |
1 & 2 |
1 & 2 |
|
Am486DX2/DX4 (SV8B) |
2 & 3 |
Open |
5 & 6 |
2 & 3 |
1 & 2 |
|
AMD-5X86 (AMD-5X) |
2 & 3 |
Open |
5 & 6 |
2 & 3 |
1 & 2 |
|
Am486DX/DX2 |
2 & 3 |
Open |
Open |
1 & 2 |
Open |
|
Note: Designated pins are in the closed position. | |||||
|
CPU TYPE SELECTION (AMD) (CONT) | |||||
|
Type |
JP25 |
JP26 |
JP27 |
JP28 |
JP29 |
|
Am486DX2/DX4 |
Closed |
3 & 4 |
1 & 2 |
2 & 3 |
Open |
|
Am486DX2/DX4 (SV8B) |
Closed |
3 & 4 |
1 & 2 |
2 & 3 |
3 & 4 |
|
AMD-5X86 (AMD-5X) |
Closed |
3 & 4 |
1 & 2 |
2 & 3 |
3 & 4 |
|
Am486DX/DX2 |
Open |
1 & 2 |
Open |
2 & 3 |
Open |
|
Note: Designated pins are in the closed position. | |||||
|
CPU TYPE SELECTION (SGS/THOMSON) | |||||
|
Type |
JP19 |
JP20 |
JP22 |
JP23 |
JP24 |
|
ST486DX4V10HS |
2 & 3 |
Open |
Open |
1 & 2 |
1 & 2 |
|
Note: Designated pins are in the closed position. | |||||
|
CPU TYPE SELECTION (SGS/THOMSON) (CONT) | |||||
|
Type |
JP25 |
JP26 |
JP27 |
JP28 |
JP29 |
|
ST486DX4V10HS |
Closed |
3 & 4 |
1 & 2 |
2 & 3 |
Open |
|
Note: Designated pins are in the closed position. | |||||
|
CPU TYPE SELECTION (TEXAS INSTUMENTS) | |||||
|
Type |
JP19 |
JP20 |
JP22 |
JP23 |
JP24 |
|
486DX2 |
2 & 3 |
Open |
1 & 2 |
1 & 2 |
3 & 4 |
|
Note: Designated pins are in the closed position. | |||||
|
CPU TYPE SELECTION (TEXAS INSTUMENTS) (CONT) | |||||
|
Type |
JP25 |
JP26 |
JP27 |
JP28 |
JP29 |
|
486DX2 |
Closed |
5 & 6 |
3 & 4 |
2 & 3 |
1 & 2 |
|
Note: Designated pins are in the closed position. | |||||
|
CPU TYPE SELECTION (IBM) | |||||
|
Type |
JP19 |
JP20 |
JP22 |
JP23 |
JP24 |
|
486-4V3100GC |
2 & 3 |
Open |
1 & 2 |
1 & 2 |
3 & 4 |
|
486-4V3100GIC |
2 & 3 |
Open |
5 & 6 |
1 & 2 |
1 & 2 |
|
Note: Designated pins are in the closed position. | |||||
|
CPU TYPE SELECTION (IBM) (CONT) | |||||
|
Type |
JP25 |
JP26 |
JP27 |
JP28 |
JP29 |
|
486-4V3100GC |
Closed |
5 & 6 |
3 & 4 |
2 & 3 |
1 & 2 |
|
486-4V3100GIC |
Closed |
3 & 4 |
1 & 2 |
2 & 3 |
3 & 4 |
|
Note: Designated pins are in the closed position. | |||||
|
CPU TYPE SELECTION (UMC) | |||||
|
Type |
JP19 |
JP20 |
JP22 |
JP23 |
JP24 |
|
U5S-Super |
2 & 3 |
Open |
Open |
1 & 2 |
Open |
|
Note: Designated pins are in the closed position. | |||||
|
CPU TYPE SELECTION (UMC) (CONT) | |||||
|
Type |
JP25 |
JP26 |
JP27 |
JP28 |
JP29 |
|
U5S-Super |
Open |
1 & 2 |
Open |
2 & 3 |
Open |
|
Note: Designated pins are in the closed position. | |||||
|
CPU VOLTAGE SELECTION | ||||
|
Voltage |
JP13/pins 1 & 2 |
JP13/pins 3 & 4 |
JP13/pins 5 & 6 |
JP13/pins 7 & 8 |
|
3.3v |
Open |
Closed |
Open |
Open |
|
3.45v |
Open |
Open |
Closed |
Open |
|
3.6v |
Open |
Open |
Open |
Closed |
|
4v |
Open |
Open |
Open |
Open |
|
5v |
Closed |
Open |
Open |
Open |