Elitegroup

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

 

ECS-386/32

Year: 1989
Type: 80386DX
Form Factor: Baby AT
Power Connector: AT
Keyboard Connector: AT
Chipset: Chips & Technologies CS8230
Memory: 8 x 30-pin SIMM
Slots: 7 x ISA 16-bit, 1 x ISA 8-bit
BIOS: American Megatrends Inc.
BIOS Chips: 2 x 27C256 (High and Low)
BIOS Dates: 03/03/89
Known Board Revisions: -

User Manual

 

P5HX-A

Year: 1996
Type: Socket 7
Form Factor: ?
Power Connector: AT
BIOS: Award
BIOS Dates: 04/01/96
Known Board Revisions: 1.0

Works with Cyrix 6x86 CPUs from P120+ up to P166.

 

P5VX-A

Year: 1996
Type: Socket 7
Form Factor: ATX
Chipset: Intel 430VX Triton III
Memory: 2 x 72-pin SIMM slots (2 banks), 1 x 16-pin DIMM. Max. 256 MB total memory.
Slots: 4 x PCI
Power Connector: AT (ATX is optional)
BIOS: Award
BIOS Dates: 05/08/96, 02/19/97
Known BIOS Strings:
02/19/97-i430VX-2A59GK99C-00
Known Board Revisions: 1.0, 1.1

Works with Intel Pentium 75-200 MHz, (P54C and P55C) and Cyrix 6x86 CPUs from P120+ up to P166. Also supports AMD K5 and K6 CPUs. CPU voltage selections are 3.3V, 3.525V, 2.8V and 2.5V.

A slightly odd layout this board has, with memory slots in the centre of the board. It also has a COAST slot to expand the onboard L2 cache size.

The board supports EDO RAM.

 

P5VX-BE

Year: 1996
Type: Socket 7
Form Factor: AT
Chipset: Intel 430??
Memory: 4 x 72-pin SIMM slots (FPM and EDO supported), 1 x 168-pin DIMM.
Slots: 3 x ISA (16-bit), 4 x PCI
Power Connector: AT
BIOS: Award
BIOS Dates: -
Known Board Revisions: -

 

UL486

Year: 1992
Type: Socket 3?
Form Factor: AT
Chipset: UMC 82C482F / 82C481BF
BIOS: AMI
Slots: 1 x 8-bit ISA, 7 x 16-bit ISA, 1 x 32-bit VLB
Memory: 8 x 30-pin SIMM slots (max. 32MB FPM)
Known Board Revisions: 1.3
BIOS Strings:
40-0100-001131-00101111-121291-UMCAUTO-F

The UL 486 motherboard supports 80486SX, DX, and DX-2 CPUs. In addition it has an Overdrive socket that is suitable for the Intel 80487 upgrade processor as well as the P23T OverDrive chip. Supported CPU clock frequencies range from 16 MHz up to 66 MHz.

The L2 cache can be configured from 64KB up to 256KB via its eight 28-pin sockets plus 1 TAG RAM socket.

UM486V AIO / AIO(DIP)

Year: 1993
Type: Socket 3
Form Factor: Baby AT
Chipset: UMC 82C482F / 82C481BF
Memory: 30-pin SIMM (2 banks of 4 slots each)
Slots: 6 x ISA 16-bit, 2 x VLB
Power Connector: AT (P8/P9)
BIOS: AMI (486DX ISA BIOS)
Known Board Revisions: v2.0

This board comes with 256 KB L2 cache, and supports 5V 80486 CPUs.

 

 

 

UM8810P AIO

Year: 1995
Type: Socket 3
Form Factor: Baby AT
Chipset: UMC 8881 / 8886
Slots: 4 x ISA (16-bit), 3 x PCI
Memory: 4 x 72-pin (4 banks) - max. 128 MB.
BIOS: Phoenix
Power Connector: AT
Known Board Revisions: v1.1 , v2.1

Works with the following CPUs:

Intel 486SX/DX/SX2/DX2
Intel 486ODPRDX2 / 486DOPRDX4 (Overdrive) / P24T
AMD Am486 / Am486DX2 / Am486DX4
UMC U5S
Cyrix Cx486S/Cx486DX/Cx486DX2
Cyrix 5x86

CPU speeds from 25 MHz up to 100 MHz are supported, with bus multipliers of 2x or 3x only supported. CPU voltage settings are 3.3V, 3.45V, 3.6V, 4V and 5V.

The board comes with 128 KB, 256 KB or 512 KB of onboard L2 cache.

 

SI54P-AIO

Year: 1995
Type: Socket 7
Form Factor: Baby AT
Power Connector: AT
Chipset: SiS 501/502/503
Slots: 4 x ISA (16-bit), 4 x PCI
Memory: 4 x 72-pin SIMMs (2 banks), 128 MB max.
BIOS: Award 4.50G
Known Revisions: 2.0

Supports Intel Pentium P54C from 75 MHz - 150 MHz.
256 KB Level 2 cache onboard.

User Manual
Jumper Settings

 

TSI54P-AIO

Year: 1995
Type: Socket 7
Form Factor: Baby AT
Power Connector: AT
Chipset:?
Slots: ?
Memory: ?
BIOS: Phoenix
BIOS Dates: 02/06/96

Supports Cyrix 6x86 CPUs, from P120+ to P166+, but these all require the Cyrix voltage regulator and heatsink.

 

TR5510-AIO

Year: 1995
Type: Socket 7
Form Factor: Baby AT
Power Connector: AT
Chipset: Intel 430FX
Slots: 3 x 16-bit ISA, 4 x PCI, COAST slot
Memory: 4 x 72-pin SIMM
BIOS: Phoenix or Award v4.50PG
BIOS Dates: 01/26/96, 02/02/96
BIOS String: 02/02/96-i430FX-2A59CE1NC-00
Known Board Revisions: 1.1A

Supports Cyrix 6x86 CPUs, from P120+ to P150+, AMD K5.

 

SI5PI-AIO

Year: 1994
Type: Socket 4
Form Factor: Baby AT
Chipset: SiS 501/502/503
Slots: 4 x ISA (16-bit), 4 x PCI
Memory: 4 x 72-pin SIMM. Supports EDO. Maximum 128 MB (all cacheable if using 512 KB L2 cache)
Known Board Revisions: 1.1

FSB speeds can be set from 20, 33, 40, 50, 60 and 66 MHz. Supports up to 1 MB of L2 cache onboard via its cache sockets.

This board has excellent overclocking / tweaking settings in the Award BIOS. Sadly it does come with the buggy CMD 540B PCI-EIDE controller but you can disable the CMD 32-bit transfer mode in the BIOS if you want or use a separate IDE controller card.

Tested maximum bus transfer rates with this board:

Hercules Dynamite 128 53 MB/sec
Matrox Millennium (MGA2064) 52 MB/sec
Elsa Winner 1000 (S3 Trio64V+) 52 MB/sec
S3 ViRGE 325 (4 MB) 22.5 MB/sec
Tseng Labs ET6000 48 MB/sec

 

UC4913

Year: 1992
Type: Socket 3
Form Factor: Baby AT
Power Connector: AT
Chipset: UMC UM82C491F
Slots: 2 x ISA (8-bit), 6 x ISA (16-bit), 3 x VLB
Memory: 8 x 30-pin SIMMs (2 banks)
BIOS: AMI
Known Revisions: 1.0

This board supports 486SX, 486DX, 486DX2, 4867SX (P23N), 486 Overdrive (P23T), Pentium Overdrive (P24T), and Cyrix Cx486 (M6) and IDT Winchip C6.