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AFAIK, the only difference between the IIfx PSU and the II/IIx is the fan speed regulation: automatically variable on the fx, while is fixed on the others. This means the IIfx PSU is somewhat quieter. Connector etc is the same, I'm using a IIfx PSU in my IIx.

Further digging into MacNosy's web reveals $225 :'( On the other hand, IDA is very well regarded. There's a free for non-commercial use version available (5.0) which would suit perfectly my needs... but only runs under Windows :disapprove: That's sad because the most recent IDA (6.2) is...

I found that, but... is that free?

Is there such a thing? Searching these forums didn't show up anything valid, and the references I've found elsewhere didn't work -- I haven't been able to compile :( Any app that works on a Mac (of whatever vintage, from SE/30 to iMac i5) is what I'm looking for... *nix and Win as a last...

I used DiskBasher 1.1 and also Speedometer 4.0, but the first one only gives the execution time (depends on settings!) and the latter an arbitrary reference index... On the other hand, HDT BenchTest gives accurate measurements on read/write throughput, seek & access times, transactions per...

I've been successful connecting my Quadra 700 directly to my cable-modem via a regular Ethernet cable. And also the SE/30, thru a shared connection from my sister's MacBook Pro which was receiving WiFi, this time with a cross-over cable -- I don't think you'll need the hub. Watch a ! ;)

As far as I know, the Plus' PSU is integrated into the analog board. By inserting the plug real hard, you might have moved and/or flexed the board a bit, probably helping some bad connection. This is compatible with the fact that you had to slap the machine in order to get any video the first time.

By keeping the leads from the previously soldered battery, I was able to install SMD battery sockets (from DigiKey) on my Macintosh II. Ugly, but works:

It may depend on the particular adapter... I have a SCA 36GB Fujitsu which doesn't work at all with my "regular" 50-pin adapter, but it's fine with a "better", terminated adapter. Maybe we could start a page on our Wiki, in order to collect all experiences and tested models, including jumper...

The SE/30 works fine with 2/3 chip SIMMs -- just checked. Assuming 1 MByte size SIMMs, "regular" 8-chip modules use eight 1 Mbit DRAMs -- with another extra chip for parity (9 chip) modules, which simply goes unused in most Macs. But those SIMMs with 2/3 chips use a couple 4 Mbit DRAMs (1 M x...

For the record: Back in 1998 I purchased a 604e / 233 MHz card for my 7500 -- it's still going strong and has been always rock solid. Other than that (and the stock 601 @ 100 MHz) I've used 604/120, 604/132 and recently a tiny G3/450 card 8-)

The monitor sense codes were very well thought, IMHO. First a bunch (0-6) of fixed resolutions, and the detected code (7) in the absence of monitor did halt video out. Then came the extended codes, read off a different method... from what would be seen by older cards as "7" (i.e., no monitor)...

It depends on the individual LCD screen, and how it does the interpolation... but don't expect miracles at any resolution other than the nominal one. My Acer monitor is not very good at this, though :( For the 1600x1200 monitor, it depends too of the interpolating algorithms: a "nearest...

I got a cheap Acer X163W LCD monitor and it syncs fine with all Macs, up to 1280x1024 @ 75 Hz -- panel is 1366x768, thus is not very sharp at such resolution, though. The only Mac mode I can't use with it is... the 60 Hz RGB 12" mode (512 x 384)

Those Ultra160/320 drives have to switch down to (Fast) SCSI-2 in order to work with our vintage Macs, for sure... Besides all Ultra160 (and some Ultra320) drives supporting narrow (8-bit) transfers, some drives need to have that narrow mode enabled or forced via jumpers. IBM's DCHS drives (4.5...

SCSI drives up to 2 GB should work great. However, larger capacities aren't supported by all OS versions and machines, but you can always partition a big disk in several chunks just below 2 GB... A few points to consider, just in case: •Some drives (esp. server ones) can draw a lot of power...

Hi! It's the DB2 line, between pin 39 on the 53C80 chip (the uppermost pin on the right side) and pin 6 on the IDC-50 internal SCSI connector. It's also connected to pin 22 on the DB-25 external SCSI port, but there's perfect contact between both SCSI connectors -- I had put with my bare...

I got this 840AV as a bare mobo -- not even CPU! But I'm thinking about putting it inside a 7200/7300/7500/7600 case -- they're fairly nice to service, and the required mods shouldn't be that hard... I have compared both boards (Quadra 840AV - PMac 7600) and the task seems feasible 8-)

So, do you mean the pattern is like 00111111, where '0' means a faulty bit and '1' a working one? I was assuming it was something like 01110111... That makes things totally different! That would be VID(6) and VID(7) signals, coming exclusively from one of the VRAM chips: UC6. The shift register...

If you can use 8.6, I find little point on installing 8.1... why not leaving 7.5.x (or 7.6.1, especially with large partitions on the disk) on a partition? These machines fly on System 7. If you ever need some 8.x features (HFS+ volumes is a good reason) you can go all the way to 8.6 -- in my...