DataExpert

DataExpert was a manufacturer of motherboards for the IBM PC and its compatibles during the DOS era.

 

 

 

ExpertBoard EXP4044VL

Year: 1994
Type: Socket 3
Form Factor: Baby AT
Chipset: OPTi 82C895
Slots: 6 (16-bit ISA), 3 x VLB
Memory: 2 x 72-pin SIMM, 4 x 30-pin SIMM (up to 128 MB maximum)
BIOS: Award
Known Revisions: ?

 

ExpertBoard EXP4045

Year: 1994
Type: Socket 3
Form Factor: Baby AT
Chipset: 83C491 / 83C492 (rebadged as "ExpertChip")
Slots: 7 (16-bit ISA), 3 x VLB
Memory: 4 x 72-pin SIMM (up to 128 MB maximum)
BIOS: Award
Known Revisions: 1.2

Supports bus speeds of 25, 33 and 40 MHz.

CPU support includes Intel 80486DX, DX2 and DX4 from 25 to 100 MHz, Intel P24D and Overdrive, Cyrix Cx486 (M6 and M7), and AMD Am486DX and DX2 processors.

The motherboard's L2 cache can be 128, 256 or 512 KB in size.

User Manual
Jumper Settings

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EXP8054

Year: ?
Type: ?
Form Factor: ?
Chipset: OPTi Premium + 82C822
Slots: ?
Memory:

Tested maximum bus transfer rates with this board:

Hercules Dynamite 128 13 MB/sec
Matrox Millennium (MGA2064) 11 MB/sec
Elsa Winner 1000 (S3 Trio64V+) 12 MB/sec

 

EXP8551

Year: 1996
Type: Socket 7
Form Factor: ?
Chipset: ?
Slots: 4 (16-bit ISA), 4 x PCI
Memory: 4 x 72-pin SIMM (2 banks), 128 MB max.
BIOS: AMI WinBIOS.
Known Revisions: 1.4

Comes with 512 KB Level 2 cache onboard.
Supports Pentium 75 up to 200 MHz, Cyrix 6x86 120-166, AMD 5x86-P75 and P90.

User Manual

 

EXP8661

Year: 1996
Type: Socket 7
Form Factor: ?
Chipset: ?
Slots: ?
Memory: ?
BIOS: Award
BIOS Dates: 07/15/96
Known Revisions: 1.0

The EXP8661 supports Cyrix 6x86 CPUs from P120+ up to P166+.