DOS Days

HOT-433

Year: ?
Type: ?
Form Factor: ?
Chipset: UMC 8881F / 8886AF
Slots: ?
Memory:

Tested maximum bus transfer rates with this board (bus freq @ 33 MHz):

HOT-541

Year: 1996
Type: Socket 7
Form Factor: AT
Chipset: Intel 430FX Triton I
Slots: 4 x ISA, 4 x PCI, 1 x COAST
Memory: 4 x 72-pin SIMM (2 banks), 128 MB max.
BIOS: Award 4.50PG
BIOS Dates: 01/18/96
Known Revisions: 1, 2.2, 2.5

Supports CPU clock speeds from 75 MHz up to 200 MHz.
Bus speed of 50 or 66 MHz.
256 KB L2 cache onboard. COAST slot for cache expansion.

The motherboard supports Pentium, K5, 5k86 and 6x86 CPUs up to 200MHz single-plane (single-voltage) but has the VRM slot for dual-plane (dual-voltage) CPUs like the Pentium MMX.

It also supports Cyrix 6x86 P120+ CPU on board revision 2.5.

Revision 1 and higher support EDO RAM.

User Manual (v2 to v2.2)
User Manual (v2.5)
Jumper Settings
Jumper Settings (v1)
Jumper Settings (v2.2)

HOT-555

Year: 1996
Type: Socket 7
Form Factor: AT
Chipset:
Slots:
Memory:
BIOS: Award
BIOS Dates: 06/19/96
Known Board Revisions: 1.4

This board supports Cyrix 6x86 CPUs from P120+ up to P166+.

HOT-569

Year: 1997
Type: Socket 7
Form Factor: AT
Chipset: Intel 430TX
Slots: 3 x ISA, 4 x PCI
Memory: 4 x SIMM, 3 x DIMM
BIOS: Award

Successor to the HOT-565 motherboard. Supports 50-83 MHz bus speeds. Core voltages supported are 3.2V down to 2.8V.

HOT-591P

Year: 2001
Type: Socket 7
Form Factor: ATX
Power Connector: AT and ATX
Chipset: VIA Apollo MVP3
Slots: 3 x ISA (16-bit), 3 x PCI, 1 x AGP
Memory: 2 x 72-pin SIMM, 2 x 168-pin DIMM. 256 MB max.
BIOS: Award 4.51PG

Jumper Settings

HOT-603

Year: ?
Type: Socket 7
Form Factor: ?
Chipset: AMD 640 (VIA Apollo VP2)
Slots: ?
Memory:

Features a 1 MB L2 cache (2 banks). Supports 50-83 MHz bus speeds. Core voltages supported are 3.2V, 2.9V, 2.8V and 2.1V.

AK31

Year: ?
Type: Socket A
Form Factor: ?
Chipset: VIA KT266 / 266A
Slots: ?
Memory: