MECER CORPORATION
B910
Processor |
Pentium |
Processor Speed |
50/60/66MHz |
Chip Set |
FOREX |
Max. Onboard DRAM |
128MB |
Cache |
64/128/256/512/1024/2048KB |
BIOS |
AMI |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit VESA local bus slots (3), green PC connector |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
J2 |
Turbo switch |
J5 pins 16 - 17 |
Green PC connector (monitor) |
J3 |
Reset switch |
J5 pins 19 - 20 |
Power LED & keylock |
J5 pins 1 - 5 |
Green PC connector |
JP2 |
Speaker |
J5 pins 7 - 10 |
Green PC connector |
JP4 |
Turbo LED |
J5 pins 11 - 12 |
32-bit VESA local bus slots |
SL1 - SL3 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
CMOS memory normal operation |
JP1 |
Open |
CMOS memory clear |
JP1 |
Closed | |
» |
Factory configured - do not alter |
JP3 |
N/A |
Note: The location of JP3 is unidentified. |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
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 |
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
6MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
8MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
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) 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 |
18MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
20MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
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 |
32MB |
(1) 2M 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 |
34MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 4M 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) 8M x 36 |
NONE |
NONE |
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
40MB |
(1) 2M 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) 4M x 36 |
(1) 8M x 36 |
NONE |
NONE |
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
NONE |
64MB |
(1) 16M x 36 |
NONE |
NONE |
NONE |
66MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
68MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
68MB |
(1) 1M x 36 |
(1) 16M x 36 |
NONE |
NONE |
72MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
72MB |
(1) 2M x 36 |
(1) 16M x 36 |
NONE |
NONE |
DRAM CONFIGURATION (CON’T) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
80MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
80MB |
(1) 4M x 36 |
(1) 16M x 36 |
NONE |
NONE |
96MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
96MB |
(1) 8M 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 |
128MB |
(1) 16M x 36 |
(1) 16M x 36 |
NONE |
NONE |
CACHE CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
TAG |
64KB |
(8) 8K x 8 |
NONE |
(1) 8K x 8 |
128KB |
(8) 8K x 8 |
(8) 8K x 8 |
(1) 8K x 8 |
256KB |
(8) 32K x 8 |
NONE |
(1) 8K x 8 |
512KB |
(8) 32K x 8 |
(8) 32K x 8 |
(1) 32K x 8 |
512KB |
(8) 64K x 8 |
NONE |
(1) 32K x 8 |
1MB |
(8) 64K x 8 |
(8) 64K x 8 |
(1) 32K x 8 |
1MB |
(8) 128K x 8 |
NONE |
(1) 32K x 8 |
2MB |
(8) 128K x 8 |
(8) 128K x 8 |
(1) 128K x 8 |
CACHE JUMPER CONFIGURATION | |||||
Size |
JP10 |
JP11 |
JP12 |
JP13 |
JP14 |
64KB |
Open |
Open |
1 & 2 |
Open |
Open |
128KB |
Open |
Open |
2 & 3 |
1 & 2 |
Open |
256KB |
Open |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
512KB |
Open |
Open |
2 & 3 |
2 & 3 |
1 & 2 |
512KB |
Open |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
1MB |
Open |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
1MB |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
2MB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
Note: Pins designated should be in the closed position. |
CPU SPEED CONFIGURATION | |||
Speed |
JP5 |
JP6 |
JP7 |
50MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
60MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
66MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
VESA WAIT STATE CONFIGURATION | |
Wait states |
JP15 |
0 wait states |
pins 1 & 2 closed |
1 wait state |
pins 2 & 3 closed |
BUS SPEED CONFIGURATION | |
CPU speed |
JP16 |
<= 33MHz |
pins 1 & 2 closed |
> 33MHz |
pins 2 & 3 closed |
VESA SYNC/ASNYC CONFIGURATION | ||
Type |
JP8 |
JP9 |
Synchronous (from chipset) |
Closed |
pins 1 & 2 closed |
Asynchronous( from OSC) |
Open |
pins 2 & 3 closed |