DATAEXPERT CORPORATION
EXP8C49
|
Device Type |
Mainboard |
|
Processor |
CX486DX2/CX486DX4/CX 5X86 |
|
Processor Speed |
40/50(internal)/66(internal)/75(internal)100(internal)MHz |
|
Chip Set |
ALI |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
64MB |
|
Maximum Video Memory |
None |
|
Cache |
128/256/512KB |
|
BIOS |
AMI |
|
Dimensions |
220mm x 220mm |
|
I/O Options |
32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2) |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 2 |
CN1 |
IDE interface LED |
J2 |
|
Serial port 1 |
CN2 |
Reset switch |
J3 |
|
Floppy drive interface |
CN3 |
Turbo switch |
J4 |
|
Parallel port |
CN4 |
Turbo LED |
J5 |
|
IDE interface 1 |
CN5 |
Power LED & keylock |
J6 |
|
IDE interface 2 |
CN6 |
Speaker |
J7 |
|
PS/2 mouse port |
CN7 |
Green PC connector |
JP15 |
|
External battery |
J1 |
32-bit PCI slots |
PC1 PC3 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
Battery type select external |
J1 |
Closed | |
|
CMOS memory clear |
J1 |
Pins 1 & 2 closed | |
|
|
Factory configured - do not alter |
JP4 |
Unidentified |
|
Parallel port IRQ select IRQ7 |
JP9 |
Pins 2 & 3 closed | |
|
Parallel port IRQ select IRQ5 |
JP9 |
Pins 1 & 2 closed | |
|
|
Factory configured - do not alter |
JP14 |
Unidentified |
|
|
Factory configured - do not alter |
JP18 |
Unidentified |
|
Flash BIOS voltage select 12v |
JP21 |
Pins 2 & 3 closed | |
|
Flash BIOS voltage select 5v |
JP21 |
Pins 1 & 2 closed | |
|
|
Factory configured - do not alter |
JP24 |
Unidentified |
|
|
Factory configured - do not alter |
JP41 |
Unidentified |
|
SIMM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
4MB |
(1) 1M x 36 |
None |
None |
None |
|
8MB |
(1) 2M x 36 |
None |
None |
None |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
None |
None |
|
12MB |
(1) 2M x 36 |
(1) 1M x 36 |
None |
None |
|
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) 4M x 36 |
None |
None |
None |
|
16MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
None |
None |
|
SIMM CONFIGURATION (CONT) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
None |
None |
|
20MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
20MB |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
24MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
24MB |
(1) 4M x 36 |
(1) 2M x 36 |
None |
None |
|
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
28MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
32MB |
(1) 8M x 36 |
None |
None |
None |
|
32MB |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
32MB |
(1) 4M 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 |
|
36MB |
(1) 8M x 36 |
(1) 1M x 36 |
None |
None |
|
40MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
40MB |
(1) 8M x 36 |
(1) 2M x 36 |
None |
None |
|
40MB |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
48MB |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
48MB |
(1) 8M x 36 |
(1) 4M x 36 |
None |
None |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
56MB |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
56MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
64MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
64MB |
(1) 8M 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 |
|
CACHE CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
TAG |
|
128KB (A) |
None |
None |
(4) 32K x 8 |
(1) 8K x 8 |
|
128KB (B) |
(1) 32K x 32 |
None |
None |
(1) 8K x 8 |
|
256KB (A) |
None |
None |
(4) 64K x 8 |
(1) 16K/32K x 8 |
|
256KB (B) |
(1) 32K x 32 |
None |
(4) 32K x 8 |
(1) 16K/32K x 8 |
|
256KB (C) |
(1) 32K x 32 |
(1) 32K x 32 |
None |
(1) 16K/32K x 8 |
|
512KB |
None |
None |
(4) 128K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||||
|
Size |
JP17 |
JP20 |
JP37 |
JP42 |
|
128KB (A) |
Open |
Open |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
128KB (B) |
Open |
Open |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
256KB (A) |
Open |
Closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
256KB (B) |
Open |
Closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
256KB (C) |
Open |
Closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
512KB |
Closed |
Closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
CPU SPEED SELECTION | ||||
|
Speed |
JP11 |
JP12 |
JP13 |
JP16 |
|
40MHz |
Open |
Closed |
Pins 2 & 3 closed |
Open |
|
40MHz |
Open |
Closed |
Pins 1 & 2 closed |
Closed |
|
50iMHz |
Open |
Open |
Pins 2 & 3 closed |
Open |
|
66iMHz |
Closed |
Closed |
Pins 2 & 3 closed |
Open |
|
75iMHz |
Open |
Open |
Pins 2 & 3 closed |
Open |
|
100iMHz |
Closed |
Closed |
Pins 2 & 3 closed |
Open |
|
Note: Either setting may be used for 40MHz. | ||||
|
CPU TYPE SELECTION | |||
|
Type |
JP23 |
JP32 |
JP35 |
|
CX486DX2 |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
CX486DX4 |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
CX 5X86 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 2 & 4 closed |
|
CPU VOLTAGE SELECTION | ||
|
Voltage |
JP29 | |
|
3.3v |
Pins 1 & 2 closed | |
|
3.45v |
Pins 3 & 4 closed | |
|
3.6v |
Pins 5 & 6 closed | |
|
DMA CHANNEL SELECTION | ||
|
Channel |
JP5 |
JP6 |
|
1 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
3 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
INTERNAL KEYBOARD SELECTION | ||||
|
Setting |
JP19 |
JP39 |
JP40 | |
|
Enabled |
Open |
Closed |
Closed | |
|
Disabled |
Closed |
Open |
Open | |