DATAEXPERT CORPORATION
EXP8851
Device Type | Mainboard |
Processor | CX 6X86/AM K5/Pentium |
Processor Speed | 75/90/100/120/133/150/166/200MHz |
Chip Set | Unidentified |
Video Chip Set | None |
Maximum Onboard Memory | 128MB |
Maximum Video Memory | None |
Cache | 256/512KB |
BIOS | AMI |
Dimensions | 290mm x 220mm |
I/O Options | 32-bit PCI slots (4), green PC connector, VRM connector |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Serial port 2 | CN1 | Turbo LED | J4 |
Serial port 1 | CN2 | Parallel port | J5 |
Floppy drive interface | CN3 | Green PC connector | JP19 |
IDE interface 2 | CN4 | IDE interface LED | JP20 |
IDE interface 1 | CN5 | CPU fan power | JP30 |
Power LED & keylock | J1 | 32-bit PCI slots | PC1 – PC4 |
Speaker | J2 | VRM connector | VRM |
Reset switch | J3 |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
» | Cache type select write back | JP10 | Open |
Cache type select write through | JP10 | Closed | |
» | CPU pipeline enabled | JP11 | Closed |
CPU pipeline disabled | JP11 | Open | |
» | AT bus CLK select PCICLK/4 | JP15 | Pins 2 & 3 closed |
AT bus CLK select PCICLK/3 | JP15 | Pins 1 & 2 closed | |
» | CMOS memory normal operation | JP18 | Open |
CMOS memory clear | JP18 | Closed | |
» | Parallel port mode select standard | JP23 | Closed |
Parallel port mode select EPP | JP23 | Open |
SIMM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
8MB | (2) 1M x 36 | None |
16MB | (2) 2M x 36 | None |
16MB | (2) 1M x 36 | (2) 1M x 36 |
24MB | (2) 2M x 36 | (2) 1M x 36 |
32MB | (2) 4M x 36 | None |
32MB | (2) 2M x 36 | (2) 2M x 36 |
40MB | (2) 4M x 36 | (2) 1M x 36 |
48MB | (2) 4M x 36 | (2) 2M x 36 |
64MB | (2) 8M x 36 | None |
64MB | (2) 4M x 36 | (2) 4M x 36 |
SIMM CONFIGURATION (CON’T) | ||
Size | Bank 0 | Bank 1 |
72MB | (2) 8M x 36 | (2) 1M x 36 |
80MB | (2) 8M x 36 | (2) 2M x 36 |
96MB | (2) 8M x 36 | (2) 4M x 36 |
128MB | (2) 8M x 36 | (2) 8M x 36 |
CACHE CONFIGURATION | |||
Size | Bank 0 | Bank 1 | TAG |
256KB (A) | (2) 32K x 32 | None | None |
256KB (B) | None | (8) 32K x 8 | (1) 8K/16K/32K x 8 |
512KB | None | (8) 64K x 8 | (1) 16K/32K x 8 |
CACHE JUMPER CONFIGURATION | |||
Size | JP12 | JP13 | JP14 |
256KB (B) | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 1 & 2 closed |
512KB | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 2 & 3 closed |
CPU SPEED SELECTION (CX 6X86) | ||||||
CPU speed | Clock speed | Multiplier | JP5 | JP16 | JP17 | JP31 |
120MHz | 50MHz | 2x | Closed | Open | Open | Open |
150MHz | 60MHz | 2x | Closed | Open | Closed | Open |
166MHz | 66MHz | 2x | Closed | Closed | Closed | Open |
CPU SPEED SELECTION (AM K5) | ||||||
CPU speed | Clock speed | Multiplier | JP5 | JP16 | JP17 | JP31 |
75MHz | 50MHz | 1.5x | Open | Open | Open | Open |
90MHz | 60MHz | 1.5x | Open | Open | Closed | Open |
CPU SPEED SELECTION (INTEL) | ||||||
CPU speed | Clock speed | Multiplier | JP5 | JP16 | JP17 | JP31 |
75MHz | 50MHz | 1.5x | Open | Open | Open | Open |
90MHz | 60MHz | 1.5x | Open | Open | Closed | Open |
100MHz | 66MHz | 1.5x | Open | Closed | Closed | Open |
120MHz | 60MHz | 2x | Closed | Open | Closed | Open |
133MHz | 66MHz | 2x | Closed | Closed | Closed | Open |
150MHz | 60MHz | 2.5x | Closed | Open | Closed | Closed |
166MHz | 66MHz | 2.5x | Closed | Closed | Closed | Closed |
200MHz | 66MHz | 3x | Open | Closed | Closed | Closed |
DMA CHANNEL SELECTION | ||
Channel | JP27 | JP28 |
1 | Pins 2 & 3 closed | Pins 2 & 3 closed |
3 | Pins 1 & 2 closed | Pins 1 & 2 closed |
BIOS SELECTION | |||
Setting | JP8 | JP9 | |
» | 5v flash | Pins 2 & 3 closed | Pins 1 & 2 closed |
12v flash | Pins 2 & 3 closed | Pins 2 & 3 closed | |
EPROM | Pins 1 & 2 closed | Pins 1 & 2 closed |
IDE SELECTION | |||
Setting | JP21 | JP22 | |
» | Normal operation | Pins 2 & 3 closed | Pins 2 & 3 closed |
Feature function | Pins 1 & 2 closed | Pins 1 & 2 closed |