SMB
(ver 2.09)
Freeware


The ability to slow the speed of the FSB and PCI bus is an 
effective means of slowing the PC to play old DOS games.  

SMB controls the SMBus, which is present in most modern PCs. 
The SMBus host controller can communicate with various kinds of 
motherboard peripheral devices, such as the PLL clock generator 
(which controls your FSB and PCI speed), SPD EEPROM on the DIMM 
module, and various sensor/monitor circuits. 

Currently the program only supports motherboards with the 
intel i82371 [PIIX4] or i82801 [ICHx] southbridge (these are 
typically found on iTX, LX, BX, ZX, and GX motherboards).  

SMB requires DPMI, and will find and execute CWSDPMI if this 
file is in the same directory as the SMB executable (bypassing 
the need to pre-load DPMI services).

file = SMB.zip


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CWSDPMI
(release 7)
Freeware

Included is a complementary DPMI service for V2 of DJGPP.  

file = CSDPMI7B.zip