VEXTREC TECNHOLOGY, INC.
GMB-486SPS (VER. 1.03)
Processor | AM486/UMCU5SX/80486SX/SL80486SX/CX486DX/AM486DX/80486DX/CX486DX2/AM486DX2/(SL)AM486DX2(WB)/(SL)AM486DX2(WT)/ 80486DX2/SL80486DX2/(SL)AM486DX4(WB)/(SL)AM486DX4(WT)/ AM486DX4/ 80486DX4/CXM1SC(WB)/CXM1SC(WT)/P24D/P24T |
Processor Speed | 20/25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)/120(internal)/133(internal)MHz |
Chip Set | Unidentified |
Video Chip Set | None |
Maximum Onboard Memory | 128MB |
Maximum Video Memory | None |
Cache | 64/128/256/512/1024KB |
BIOS | Award |
Dimensions | 250mm x 220mm |
I/O Options | 32-bit PCI slots (4), floppy drive interface, game interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2) |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Reset switch | J1 | IDE interface 1 | J12 |
Turbo LED | J2 | IDE interface 2 | J13 |
Power LED & keylock | J3 | Serial port 1 | J14 |
Speaker | J4 | Serial port 2 | J15 |
Turbo switch | J5 | Game interface | J16 |
Green PC connector | J6 | Parallel port | J17 |
IDE interface LED | J7 | Floppy drive interface | J18 |
External battery | J8 | 32-bit PCI slots | PC1 - PC4 |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
» | Turbo enabled | J5 | Pins 2 & 3 closed |
Turbo disabled | J5 | Pins 1 & 2 closed | |
» | Monitor type select color | JP33 | Closed |
Monitor type select monochrome | JP33 | Open | |
» | CMOS memory normal operation | JP38 | Pins 1 & 2 closed |
CMOS memory clear | JP38 | Pins 2 & 3 closed | |
» | Parallel port IRQ select IRQ7 | JP51 | Pins 1 & 2 closed |
Parallel port IRQ select IRQ5 | JP51 | Pins 2 & 3 closed |
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 |
4MB | (1) 256K x 36 | (1) 256K x 36 | (1) 512K x 36 | None |
4MB | (1) 512K x 36 | (1) 512K x 36 | None | None |
4MB | (1) 1M x 36 | None | None | None |
5MB | (1) 256K x 36 | (1) 1M x 36 | None | None |
6MB | (1) 256K x 36 | (1) 256K x 36 | (1) 1M x 36 | None |
6MB | (1) 512K x 36 | (1) 1M x 36 | None | None |
8MB | (1) 256K x 36 | (1) 256K x 36 | (1) 512K x 36 | (1) 1M x 36 |
8MB | (1) 512K x 36 | (1) 512K x 36 | (1) 1M x 36 | None |
8MB | (1) 1M x 36 | (1) 1M x 36 | None | None |
8MB | (1) 2M x 36 | None | None | None |
10MB | (1) 256K x 36 | (1) 256K x 36 | (1) 1M x 36 | (1) 1M x 36 |
12MB | (1) 512K x 36 | (1) 512K x 36 | (1) 1M x 36 | (1) 1M x 36 |
12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x 36 | None |
12MB | (1) 1M x 36 | (1) 2M x 36 | 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 |
16MB | (1) 4M x 36 | None | None | None |
DRAM CONFIGURATION (CON’T) | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
16MB | (1) 4M x 36 | None | None | None |
17MB | (1) 256K x 36 | (1) 4M x 36 | None | None |
18MB | (1) 256K x 36 | (1) 256K x 36 | (1) 4M x 36 | None |
18MB | (1) 512K x 36 | (1) 4M x 36 | None | None |
20MB | (1) 512K x 36 | (1) 512K x 36 | (1) 4M x 36 | None |
20MB | (1) 1M x 36 | (1) 4M x 36 | None | None |
20MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x 36 | None |
24MB | (1) 512K x 36 | (1) 512K x 36 | (1) 1M x 36 | (1) 4M x 36 |
24MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x 36 | None |
24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x 36 | None |
24MB | (1) 1M x 36 | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x 36 |
24MB | (1) 2M x 36 | (1) 4M x 36 | None | None |
28MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x 36 |
32MB | (1) 4M x 36 | (1) 4M x 36 | None | None |
32MB | (1) 8M x 36 | None | None | None |
32MB | (1) 2M x 36 | (1) 2M x 36 | (1) 4M x 36 | None |
32MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x 36 |
36MB | (1) 512K x 36 | (1) 512K x 36 | (1) 4M x 36 | (1) 4M x 36 |
36MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x 36 | None |
36MB | (1) 1M x 36 | (1) 8M x 36 | None | None |
40MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x 36 |
40MB | (1) 1M x 36 | (1) 1M x 36 | (1) 8M x 36 | None |
40MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x 36 | (1) 4M x 36 |
48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 | None |
48MB | (1) 4M x 36 | (1) 8M x 36 | None | None |
48MB | (1) 2M x 36 | (1) 2M x 36 | (1) 4M x 36 | (1) 4M x 36 |
48MB | (1) 2M x 36 | (1) 2M x 36 | (1) 8M x 36 | None |
64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 |
64MB | (1) 16M x 36 | None | None | None |
64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 8M x 36 | None |
64MB | (1) 8M x 36 | (1) 8M x 36 | None | None |
65MB | (1) 256K x 36 | (1) 16M x 36 | None | None |
68MB | (1) 1M x 36 | (1) 16M x 36 | None | None |
68MB | (1) 1M x 36 | (1) 8M x 36 | (1) 8M x 36 | None |
72MB | (1) 1M x 36 | (1) 1M x 36 | (1) 16M x 36 | None |
72MB | (1) 1M x 36 | (1) 1M x 36 | (1) 8M x 36 | (1) 8M x 36 |
80MB | (1) 4M x 36 | (1) 16M x 36 | None | None |
80MB | (1) 4M x 36 | (1) 8M x 36 | (1) 8M x 36 | None |
80MB | (1) 2M x 36 | (1) 2M x 36 | (1) 8M x 36 | (1) 8M x 36 |
96MB | (1) 4M x 36 | (1) 4M x 36 | (1) 16M x 36 | None |
96MB | (1) 4M x 36 | (1) 4M x 36 | (1) 8M x 36 | (1) 8M x 36 |
96MB | (1) 8M x 36 | (1) 8M x 36 | (1) 8M x 36 | None |
128MB | (1) 16M x 36 | (1) 16M x 36 | None | None |
128MB | (1) 8M x 36 | (1) 8M x 36 | (1) 8M x 36 | (1) 8M x 36 |
CACHE CONFIGURATION | |||
Size | Bank 0 | Bank 1 | TAG |
64KB | (4) 8K x 8 | (4) 8K x 8 | Unidentified |
128KB | (4) 32K x 8 | None | Unidentified |
256KB (A) | (4) 32K x 8 | (4) 32K x 8 | Unidentified |
256KB (B) | (4) 64K x 8 | None | Unidentified |
512KB (A) | (4) 64K x 8 | (4) 64K x 8 | Unidentified |
512KB (B) | (4) 128K x 8 | None | Unidentified |
1MB | (4) 128K x 8 | (4) 128K x 8 | Unidentified |
CACHE JUMPER CONFIGURATION | ||||
Size | JP19 | JP24 | JP25 | JP26 |
64KB | 1 & 2 | 1 & 2 | Open | Open |
128KB | 1 & 2 | 2 & 3 | Open | 1 & 2 |
256KB (A) | 1 & 2 | 2 & 3 | Open | 2 & 3 |
256KB (B) | 1 & 2 | 2 & 3 | Open | 1 & 2, 3 & 4 |
512KB (A) | 2 & 3 | 2 & 3 | Open | 2 & 3, 4 & 5 |
512KB (B) | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2, 4 & 5 |
1MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3, 4 & 5 |
Note: Pins designated should be in the closed position. |
TAG JUMPER CONFIGURATION | ||||
Size | JP20 | JP21 | JP22 | JP27 |
64KB | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 2 & 3 closed |
128KB | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 2 & 3 closed |
256KB (A) | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 2 & 3 closed |
256KB (B) | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 2 & 3 closed |
512KB (A) | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 2 & 3 closed |
512KB (B) | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 1 & 2 closed |
1MB | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 1 & 2 closed |
CPU SPEED SELECTION | |||||
Speed | JP3 | JP18 | S1 | S2 | S3 |
20MHz | 1 & 2 | 1 & 2 | Open | Open | Open |
25MHz | 1 & 2 | 1 & 2 | Closed | Open | Open |
33MHz | 1 & 2 | 1 & 2 | Closed | Closed | Closed |
40MHz | 1 & 2 | 1 & 2 | Closed | Closed | Open |
50iMHz | 1 & 2 | 1 & 2 | Closed | Open | Open |
50MHz | 2 & 3 | 1 & 2 | Open | Open | Closed |
66iMHz | 1 & 2 | 1 & 2 | Closed | Closed | Closed |
75iMHz | 1 & 2 | 1 & 2 | Closed | Open | Open |
CPU SPEED SELECTION (CON’T) | |||||
Speed | JP3 | JP18 | S1 | S2 | S3 |
80iMHz | 1 & 2 | 1 & 2 | Closed | Closed | Open |
83iMHz | 1 & 2 | 1 & 2 | Closed | Closed | Closed |
100iMHz | 1 & 2 | 1 & 2 | Closed | Closed | Closed |
120iMHz | 1 & 2 | 1 & 2 | Closed | Closed | Open |
133iMHz | 1 & 2 | 1 & 2 | Closed | Closed | Closed |
Note: Pins designated should be in the closed position. |
CPU TYPE SELECTION | |||||
Type | JP4 | JP5 | JP6 | JP7 | JP8 |
AM486 | Open | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
UMC U5SX | Open | Open | 2 & 3 | Open | 2 & 3 |
80486SX | Open | Open | Open | Open | 2 & 3 |
SL80486SX | Open | Open | 1 & 2 | Open | 2 & 3 |
CX486DX | Open | Open | 1 & 2 | 2 & 3 | 2 & 3 |
AM486DX | Open | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 |
80486DX | Open | Open | Open | Open | 2 & 3 |
CX486DX2 | Open | Open | 1 & 2 | 2 & 3 | 2 & 3 |
AM486DX2 | Open | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 |
(SL)AM486DX2 (WB) | Open | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 |
(SL)AM486DX2 (WT) | Open | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 |
80486DX2 | Open | Open | Open | Open | 2 & 3 |
SL80486DX2 | Open | Open | 1 & 2 | 1 & 2 | 2 & 3 |
(SL)AM486DX4 (WB) | Open | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 |
(SL)AM486DX4 (WT) | Open | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 |
AM486DX4 | Open | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 |
80486DX4 | Open | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 |
CX M1SC (WB) | Open | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
CX M1SC (WT) | Open | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 |
P24D | Open | Open | 1 & 2 | 1 & 2 | 2 & 3 |
P24T | Open | Open | 1 & 2 | 1 & 2 | 1 & 2 |
Note: Pins designated should be in the closed position. |
CPU TYPE SELECTION (CON’T) | ||||
Type | JP9 | JP11 | JP12 | JP13 |
AM486 | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 4 & 5 closed |
UMC U5SX | Open | Open | Open | Open |
80486SX | Open | Open | Open | Open |
SL80486SX | Pins 2 & 3 closed | Open | Pins 1 & 2 closed | Pins 4 & 5 closed |
CX486DX | Pins 1 & 2 closed | Open | Open | Pins 2 & 3 closed |
AM486DX | Pins 2 & 3 closed | Open | Pins 1 & 2 closed | Pins 4 & 5 closed |
80486DX | Open | Open | Open | Open |
CX486DX2 | Pins 1 & 2 closed | Open | Open | Pins 2 & 3 closed |
AM486DX2 | Pins 2 & 3 closed | Open | Pins 1 & 2 closed | Pins 4 & 5 closed |
(SL)AM486DX2 (WB) | Pins 2 & 3 closed | Open | Pins 1 & 2 closed | Pins 4 & 5 closed |
(SL)AM486DX2 (WT) | Pins 2 & 3 closed | Open | Pins 1 & 2 closed | Pins 4 & 5 closed |
80486DX2 | Open | Open | Open | Open |
SL80486DX2 | Pins 2 & 3 closed | Open | Pins 1 & 2 closed | Pins 4 & 5 closed |
(SL)AM486DX4 (WB) | Pins 2 & 3 closed | Open | Pins 1 & 2 closed | Pins 4 & 5 closed |
(SL)AM486DX4 (WT) | Pins 2 & 3 closed | Open | Pins 1 & 2 closed | Pins 4 & 5 closed |
AM486DX4 | Pins 2 & 3 closed | Open | Pins 1 & 2 closed | Pins 4 & 5 closed |
80486DX4 | Pins 2 & 3 closed | Open | Pins 1 & 2 closed | Pins 4 & 5 closed |
CX M1SC (WB) | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 4 & 5 closed |
CX M1SC (WT) | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 4 & 5 closed |
P24D | Pins 2 & 3 closed | Open | Pins 1 & 2 closed | Pins 4 & 5 closed |
P24T | Pins 2 & 3 closed | Open | Open | Pins 1 & 2 closed |
Note: Pins designated should be in the closed position. |
CPU TYPE SELECTION (CON’T) | ||||
Type | JP14 | JP15 | JP16 | JP17 |
AM486 | 1 & 2, 3 & 4 | 3 & 4 | 1 & 2, 3 & 4 | Open |
UMC U5SX | 1 & 2, 3 & 4 | 1 & 2, 3 & 4 | Open | 3 & 4 |
80486SX | 2 & 3 | Open | Open | Open |
SL80486SX | 2 & 3 | Open | 3 & 4 | Open |
CX486DX | 1 & 2, 3 & 4 | 3 & 4 | 2 & 3 | 2 & 3 |
AM486DX | 1 & 2, 3 & 4 | 3 & 4 | 3 & 4 | Open |
80486DX | 1 & 2, 3 & 4 | 3 & 4 | Open | Open |
CX486DX2 | 1 & 2, 3 & 4 | 3 & 4 | 2 & 3 | 2 & 3 |
AM486DX2 | 1 & 2, 3 & 4 | 3 & 4 | 3 & 4 | Open |
(SL)AM486DX2 (WB) | 1 & 2, 3 & 4 | 3 & 4 | 3 & 4 | Open |
(SL)AM486DX2 (WT) | 1 & 2, 3 & 4 | 3 & 4 | 3 & 4 | Open |
80486DX2 | 1 & 2, 3 & 4 | 3 & 4 | Open | Open |
SL80486DX2 | 1 & 2, 3 & 4 | 3 & 4 | 3 & 4 | Open |
(SL)AM486DX4 (WB) | 1 & 2, 3 & 4 | 3 & 4 | 3 & 4 | Open |
(SL)AM486DX4 (WT) | 1 & 2, 3 & 4 | 3 & 4 | 3 & 4 | Open |
AM486DX4 | 1 & 2, 3 & 4 | 3 & 4 | 3 & 4 | Open |
80486DX4 | 1 & 2, 3 & 4 | 3 & 4 | 3 & 4 | Open |
CX M1SC (WB) | 1 & 2, 3 & 4 | 3 & 4 | 1 & 2 | Open |
CX M1SC (WT) | 1 & 2, 3 & 4 | 3 & 4 | 1 & 2 | Open |
P24D | 1 & 2, 3 & 4 | 3 & 4 | 3 & 4 | Open |
P24T | 1 & 2, 3 & 4 | 2 & 3 | 3 & 4 | 1 & 2 |
Note: Pins designated should be in the closed position. |
CPU MULTIPLIER SELECTION (DX4 ONLY) | |
Multiplier | JP10 |
2x | Pins 2 & 3 closed |
3x | Open |
CPU VOLTAGE SELECTION | |||
Voltage | S4 | S5 | S6 |
3.3v | Pins 1 & 2 closed | Open | Open |
3.45v | Open | Pins 1 & 2 closed | Open |
3.6v | Open | Open | Pins 1 & 2 closed |
4v | Open | Open | Open |
5v | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 2 & 3 closed |
DMA CHANNEL SELECTION | |||||
Channel | JP36 | JP37 | JP52 | JP53 | |
» | Printer | Open | Open | Pins 1 & 2 closed | Pins 1 & 2 closed |
1 | Pins 1 & 3 closed | Pins 1 & 3 closed | Pins 1 & 2 closed | Pins 1 & 2 closed | |
3 | Pins 2 & 4 closed | Pins 2 & 4 closed | Pins 1 & 2 closed | Pins 1 & 2 closed |
FLASH BIOS SELECTION | |||
Setting | JP34 | JP35 | |
» | EPROM | Pins 2 & 3 closed | Pins 2 & 3 closed |
5v flash | Pins 2 & 3 closed | Pins 1 & 2 closed | |
12v flash | Pins 1 & 2 closed | Pins 1 & 2 closed |