I want to slow my computer down so an old game will run. Where is the turbo switch?
Some of the 1000-series have two speeds, usually normal speed and half-speed, but there is no hardware turbo switch. Instead, additional parameters to the DOS Mode command are used: MODE SLOW (for half speed) and MODE FAST (for normal speed). This is a special feature of Tandy DOS and will disappear if you upgrade the DOS version (see section III.A.2.). If you’ve already upgraded (so it’s too late), you can try this program: ftp://ftp.oldskool.org/pub/tvdog/tandy1000/utilities/speed.zip It was written for the 1000SX, but it works on the 1000TL and might work on other 1000’s as well. On older 1000’s, the speed may be toggled by pressing a key at boot time. Ryan Davies writes: At least on the Tandy 1000 TX, you can slow down the system by pressing F4 (I think that’s the key) at startup to slow it down for the whole session. This is necessary for DOS upgraders (I did to 6.2 — big mistake, I think). It changes mine from 8Mhz to 4Mhz…. [I]t says right above the four function keys what th
