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Could you please help me to determine a problem with my original no backlit Macintosh Portable? It starts ok and displays a mouse, beginning to boot normally, but then the picture fades away. My machine was fully recaped and working well before this day. What should I check first?

I’m looking for a bootable copy of OS X10.2.7 for PowerMac G5 (special build). The MacintoshGarden has one, but the image is broken and cannot be booted from CD. I’ve searched almost everywhere, but no luck. The internet Archive has a copy of NL G5 software restore disk and that’s all. I’d be...

I'm going to buy and install the newer internal Bluetooth module A1115 which came with later PowerMac G5 models and capable to support BT2.2. My G5 originally supplies with the A1044 module with the only BT1.1 capabilities. Should I try this newer A1115 in my Mac? Physical dimensions and...

Hi, Does anyone know how to remove a slider door from PB100 battery without damaging it? I’m having trouble with the original battery which is dead, but inserting it inside the PB100 disconnects the supplemental PRAM battery pack from the circuit. I’m thinking of keeping just the front panel to...

Hi, is it possible to expand the memory for PowerBook 100 by the memory card from PowerBook 170? It seems like both model are using 100ns PSRAM. However, I don’t want to risk plugging the RAM without asking for clearance here.

Hi, Could anyone help me with the name of this hardware test program? I found a screenshot, it runs on Macintosh SE actually

I have Apple Personal Modem made for 110v. It powers up through a good voltage transformer which converts the power from 220 to 110v. Is it safe to plug this modem to the serial port of my European Macintosh 512k (220v nattive)? I suspect there could be some grounding issues but I’m not sure.

Recently I’ve got international version of Macintosh 512k Extended with the original keyboard. Keyboard has a British keys layout. Booting original System 1-4 I checked key mapping using the Key caps accessory and found that the period key and several others are mapped wrong. However under...

My PowerBook 180c works perfectl, except system clocks. Today it started to increase fast by each tick. It looks like the system timer increases randomly. What should I check first?

I’ve got Macintosh LC few weeks ago. The machine itself is in the relatively good condition. I’m going to make a full recap, cause original capacitors are leaky. It is interesting to notice two insertion pin sockets for fan and speaker instead of the typical surface contact-based assembly for...

I’ve recently got the french version of Apple IIc. It may sound stupid yet I can’t find the # character on my keyboard. Of course it‘s possible to switch to the US QWERTY by pressing down the keyboard change key. I’m just curious if Apple buyers from France had to do the same keyboard switching...

Hi all, I’ve experienced an unexpected end on Error 1 when TattleTech tries to guess an information about network. It happens straight on Macintosh IIfx under System 7.6.1 only. On System 7.5.5 the same TattleTech app displays network information smoothly. I tried this on the freshly installed...

Hi all, I’m looking for pinout of PowerBook 100 series ExpressModem DAA port. Are they all same or have some changes between models? I’m especially interested in finding a possible pinout difference between Apple ExpressModem and Int’l XP 2400 modem used in Macintosh Portable.

Is it healthy for Macintosh Portable to be fed by the power supply giving 7,5V-1.0A instead of nominal 1.5A? I’m looking for exactly compatible power adapter, yet they’re hard to find there.

I’ve got a working Macintosh Portable with the strange modem card installed. The part number is 670-4267-A, Designed by Apple Computers in 1989. It has a standard RS-422 port outside. Looks like an early version of Apple ExpressModem. I tried to search by the part number with no success. Just...

Hi all, I have a perfect working Macintosh SE which came to me with 4mb of memory installed. System 6 shows all 4 megabytes in the “About this Mac“ correctly. The main question is: do I still need to cut the R35 resistor as it is documented for my revision of the motherboard?

My troubled Macintosh II board continues to surprise me. This time it boots, however, one time the process is normal, other times it is not. When something goes wrong, the board starts with the only short click out of the speaker, and nothing more happens. No boot chime, no error chime, nothing...

After replacing the broken power switch my Macintosh II motherboard begins to startup immediately after power cord is connected. I tried to de-solder and remove power switch to restore the previous working state with no luck. My board turns up every time when plugged to power. It seems like the...

I've got a partially working Macintosh II board. Capacitors are surprisingly goog, however, I get an error chime on start. I tried to press reset/interrupt switches simultaneously and after that, I don't get any chime after startup at all. Could you please help?