ROBOTECH, INC.
GMB-486UNP
Processor |
CX486S/SL80486SX/80486SX/AM486DX-PLUS/AM486DXL/CX486DX/ SL80486DX/80486DX/AM486DX2-PLUS/AM486DXL2/CX486DX2/ SL80486DX2/80486DX2/80486DX4/P24D/ Pentium Overdrive |
Processor Speed |
20/25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz |
Chip Set |
Unidentified |
Max. Onboard DRAM |
128MB |
Cache |
128/256/512KB |
BIOS |
Award |
Dimensions |
260mm x 220mm |
I/O Options |
32-bit VESA local bus slots (3), green PC connector |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
J1 |
Reset switch |
J6 |
Turbo switch |
J3 |
Power LED & keylock |
J7 |
Turbo LED |
J4 |
Green PC connector |
JP27 |
Speaker |
J5 |
32-bit VESA local bus slots |
SL1 - SL3 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
CMOS memory normal operation |
JP16 |
pins 2 & 3 closed |
CMOS memory clear |
JP16 |
pins 1 & 2 closed | |
|
Monitor type select monochrome/EGA/VGA |
JP17 |
Open |
Monitor type select EGA |
JP17 |
Closed | |
|
CPU clock delay select CLKIN delay for CPUCLK |
JP20 |
pins 2 & 3 closed |
CPU clock delay select CLKIN and CPUCLK same phase |
JP20 |
pins 1 & 2 closed | |
|
Green PC break switch enabled |
JP26 |
Open |
Green PC break switch disabled |
JP26 |
Closed | |
|
Factory configured - do not alter |
JP32 |
pins 1 & 2 closed |
|
Factory configured - do not alter |
JP35 |
pins 2 & 3 closed |
|
Keyboard controller clock select asynchronous |
JPX1 |
Open |
Keyboard controller clock select synchronous |
JPX1 |
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 |
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
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 |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
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 |
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
256KB |
(4) 64K x 8 |
NONE |
(1) 32K x 8 |
512KB |
(4) 128K x 8 |
NONE |
(1) 32K x 8 |
CACHE JUMPER CONFIGURATION | |||||
Size |
JP1 |
JP2 |
JP3 |
JP4 |
JP33 |
128KB |
1 & 2 |
1 & 2 |
1 & 2, 3 & 4 |
1 & 2 |
2 & 3 |
256KB |
2 & 3 |
2 & 3 |
2 & 3, 4 & 5 |
1 & 2 |
2 & 3 |
256KB |
1 & 2 |
2 & 3 |
1 & 2, 3 & 4 |
1 & 2 |
1 & 2 |
512KB |
1 & 2 |
2 & 3 |
1 & 2, 3 & 4 |
2 & 3 |
2 & 3 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION | |||||
Type |
JP8 |
JP10 |
JP11 |
JP12 |
JP13 |
CX486S |
2 & 3 |
2 & 3 |
Open |
2 & 3, 4 & 5 |
Open |
SL80486SX |
2 & 3 |
2 & 3 |
Open |
3 & 4 |
1 & 2 |
80486SX |
2 & 3 |
2 & 3 |
Open |
Open |
Open |
AM486DX-PLUS |
1 & 2, 3 & 4 |
2 & 3 |
3 & 4 |
3 & 4 |
4 & 5 |
AM486DXL |
1 & 2, 3 & 4 |
2 & 3 |
1 & 2, 3 & 4 |
Open |
Open |
CX486DX |
1 & 2, 3 & 4 |
2 & 3 |
3 & 4 |
2 & 3 |
Open |
SL80486DX |
1 & 2, 3 & 4 |
2 & 3 |
3 & 4 |
3 & 4 |
1 & 2 |
80486DX |
1 & 2, 3 & 4 |
2 & 3 |
3 & 4 |
Open |
Open |
AM486DX2-PLUS |
1 & 2, 3 & 4 |
2 & 3 |
3 & 4 |
3 & 4 |
4 & 5 |
AM486DXL2 |
1 & 2, 3 & 4 |
2 & 3 |
1 & 2, 3 & 4 |
Open |
Open |
CX486DX2 |
1 & 2, 3 & 4 |
2 & 3 |
3 & 4 |
2 & 3 |
Open |
SL80486DX2 |
1 & 2, 3 & 4 |
2 & 3 |
3 & 4 |
3 & 4 |
1 & 2 |
80486DX2 |
1 & 2, 3 & 4 |
2 & 3 |
3 & 4 |
Open |
Open |
80486DX4 |
1 & 2, 3 & 4 |
2 & 3 |
3 & 4 |
3 & 4 |
1 & 2 |
P24D |
1 & 2, 3 & 4 |
1 & 2 |
3 & 4 |
1 & 2, 3 & 4 |
2 & 3 |
Pentium Overdrive |
1 & 2, 3 & 4 |
1 & 2 |
2 & 3 |
3 & 4 |
Open |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (CONT) | |||||
Type |
JP14 |
JP15 |
JP21 |
JP22 |
JP24 |
CX486S |
1 & 2, 3 & 4 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
SL80486SX |
2 & 3 |
4 & 5 |
2 & 3 |
1 & 2 |
Open |
80486SX |
Open |
Open |
2 & 3 |
1 & 2 |
Open |
AM486DX-PLUS |
2 & 3 |
4 & 5 |
1 & 2 |
1 & 2 |
Open |
AM486DXL |
Open |
Open |
1 & 2 |
2 & 3 |
3 & 4 |
CX486DX |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
SL80486DX |
2 & 3 |
4 & 5 |
2 & 3 |
1 & 2 |
Open |
80486DX |
Open |
Open |
2 & 3 |
1 & 2 |
Open |
AM486DX2-PLUS |
2 & 3 |
4 & 5 |
1 & 2 |
1 & 2 |
Open |
AM486DXL2 |
Open |
Open |
1 & 2 |
2 & 3 |
3 & 4 |
CX486DX2 |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
SL80486DX2 |
2 & 3 |
4 & 5 |
2 & 3 |
1 & 2 |
Open |
80486DX2 |
Open |
Open |
2 & 3 |
1 & 2 |
Open |
80486DX4 |
2 & 3 |
4 & 5 |
2 & 3 |
1 & 2 |
Open |
P24D |
2 & 3 |
4 & 5 |
1 & 2 |
1 & 2 |
Open |
Pentium Overdrive |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION (CONT) | |||||
Type |
JP25 |
JP30 |
JP31 |
JP34 |
JP36 |
CX486S |
2 & 3 |
Open |
Open |
1 & 2 |
Closed |
SL80486SX |
Open |
Open |
Open |
1 & 2 |
Closed |
80486SX |
Open |
Open |
Open |
Open |
Closed |
AM486DX-PLUS |
1 & 2 |
Open |
2 & 3 |
1 & 2 |
Closed |
AM486DXL |
Open |
Open |
Open |
2 & 3 |
Closed |
CX486DX |
2 & 3 |
Open |
Open |
1 & 2 |
Closed |
SL80486DX |
Open |
Open |
Open |
1 & 2 |
Closed |
80486DX |
Open |
Open |
Open |
Open |
Closed |
AM486DX2-PLUS |
1 & 2 |
Open |
2 & 3 |
1 & 2 |
Closed |
AM486DXL2 |
Open |
Open |
Open |
2 & 3 |
Closed |
CX486DX2 |
2 & 3 |
Open |
Open |
1 & 2 |
Closed |
SL80486DX2 |
Open |
Open |
Open |
1 & 2 |
Closed |
80486DX2 |
Open |
Open |
Open |
Open |
Closed |
80486DX4 |
3 & 4 |
Open |
Open |
1 & 2 |
Open |
P24D |
1 & 2 |
Closed |
1 & 2 |
1 & 2 |
Closed |
Pentium Overdrive |
1 & 2 |
Open |
Open |
1 & 2 |
Closed |
Note: Pins designated should be in the closed position. |
CPU SPEED CONFIGURATION (AV9107) | |||
Speed |
JP5 |
JP6 |
JP7 |
20MHz |
Closed |
Open |
Closed |
25MHz |
Closed |
Closed |
Open |
33MHz |
Open |
Closed |
Closed |
40MHz |
Closed |
Open |
Open |
50iMHz |
Closed |
Closed |
Open |
50MHz |
Open |
Open |
Closed |
66iMHz |
Open |
Closed |
Closed |
75iMHz |
Closed |
Closed |
Open |
100iMHz |
Open |
Closed |
Closed |
CPU SPEED CONFIGURATION (MX-8315) | |||
Speed |
JP5 |
JP6 |
JP7 |
20MHz |
Open |
Open |
Open |
25MHz |
Open |
Closed |
Open |
33MHz |
Closed |
Closed |
Closed |
40MHz |
Open |
Closed |
Closed |
50iMHz |
Open |
Closed |
Open |
50MHz |
Closed |
Open |
Open |
66iMHz |
Closed |
Closed |
Closed |
75iMHz |
Open |
Closed |
Open |
100iMHz |
Closed |
Closed |
Closed |
VESA WAIT STATE CONFIGURATION | |
Wait states |
JP28 |
0 wait states |
pins 1 & 2 closed |
1 wait state |
pins 2 & 3 closed |
BUS SPEED CONFIGURATION | |
CPU speed |
JP29 |
<= 33MHz |
pins 1 & 2 closed |
> 33MHz |
pins 2 & 3 closed |