David Cook's latest activity
-
David Cook replied to the thread Macintosh Portable: "pop" noise every 10s from Speaker & Headphones.That's good news. At least it isn't a hardware issue. -
David Cook replied to the thread Macintosh Portable: "pop" noise every 10s from Speaker & Headphones.I do use the Desktop Mgr extension (to not have the desktop rebuilt when switching between 6 and 7). I don't think that is a cause. But...
-
David Cook replied to the thread Macintosh Portable: "pop" noise every 10s from Speaker & Headphones.I reduced my system down to a floppy disk and verified that it sleeps when booted from a FloppyEMU. The .dsk is attached. It is not...
-
David Cook replied to the thread Macintosh Portable: "pop" noise every 10s from Speaker & Headphones.I am rewatching your video to see if there is something obviously different about yours.
-
David Cook replied to the thread Macintosh Portable: "pop" noise every 10s from Speaker & Headphones.ZuluSCSI Compact RP2040 Lead acid. Battery 50-60% full based on battery desk accessory. No modem installed. October 2023 Androda...
-
David Cook replied to the thread Macintosh Portable: "pop" noise every 10s from Speaker & Headphones.I can confirm the same. Backlit Portable, PowerBook 7.1 control panel, AppleTalk off, power adapter unplugged, maximum conservation...
-
David Cook replied to the thread Macintosh Portable: "pop" noise every 10s from Speaker & Headphones.In System 7.0.1 the patch is located in the System file at 'lpch' #8 @$1206. In System 7.1, the patch is located in the System file at...
-
-
David Cook posted the thread Fixing a Macintosh Portable - What worked for me in Macintosh Portable.The Macintosh Portable has a certain cachet. It possesses an exquisite keyboard, a crisp screen, and a complete set of ports and slots...
-
-
David Cook replied to the thread Macintosh II / IIx Battery Holder Daughterboard Analysis.There are a number of modern battery holder choices available to the vintage hobbyist. Someone even recreated the Apple holder...
-
David Cook replied to the thread Macintosh II & IIx replacement battery holders.Here are more details: https://tinkerdifferent.com/threads/macintosh-ii-iix-battery-holder-daughterboard-analysis.4978/
-
David Cook posted the thread Macintosh II / IIx Battery Holder Daughterboard Analysis in Macintosh II.The Macintosh II and Macintosh IIx originally had soldered-on batteries for retaining parameter RAM memory and the clock. Later versions...
-
-
David Cook replied to the thread Macintosh II & IIx replacement battery holders.Your comment was thought provoking. So, I just did an investigation and measured it. The problem with that capacitor is that it is wired...
-
David Cook replied to the thread PowerBook 100 & 170 owners.I picked up what I thought was the low-power + EMI filter Portable (or PowerBook) mouse. Indeed, it has the extra long connector. The...
-
-
David Cook replied to the thread Macintosh IIfx questions.That's a reasonable conclusion and would not be unusual. However, I've noticed that the IIfx can be very fiddly with memory slots in...
