RE: Mac Classic - Checkerboard on powerup

Here's an article on washing the motherboard: http://www.mail- archive.com/compact.m...@mail.maclaunch.com/msg16574.html Washing the logic board is not a solution. Best case it will work for a couple of days/weeks. All the SMD radial capacitors are dead and need to be replaced in order to

Looking for pressure pad of an Apple 400K floppy drive

Hi, I'm looking for the pressure pad of an Apple 400K drive. I recently got a Mac 512K and the floppy drive is not working because it's missing the pressure pad. The drive head assembly has a pressure pad on the black hinged spring loaded lever that is lowered onto the disk and this keeps

RE: Startup issues with a IIfx

Nico, have you seen a version of the IIfx logic board with electrolytic surface mount caps installed? I have only ever seen tantalums on the IIfx logic board, but, obviously, I have not seen every IIfx board in the universe. :-) I would be interested to read that there are revisions with

RE: Startup issues with a IIfx

There's a schematic for the power-on circuitry floating around on the web somewhere. You might try Gamba's site. It's a little complicated, but not bad as such things go, and no major chips are involved. I think the worst is a 14 pin dual or quad flip/flop chip. That should give you or

RE: Startup issues with a IIfx

I think I have a schematics of the IIfx logic board somewhere. If it are not the capacitors, I will have a look in my pile if I can find it... Here's a link to the schematics of the startup circuit of the Mac IIFX http://home.earthlink.net/~gamba2/images/macIIfxsch.GIF That should get

RE: Willing to trade non-working Macintosh Portable (backlit) and nonworking Powerbook 180 for brief use of working MacPortable

Yes, the SCSI hard drive for the Mac Portable uses a weird connector which wasn't used in any other machine. The pinout is floating around the web somewhere, and it wouldn't be especially difficult to build an adapter so that it could be connected to a SCSI external enclosure, for example,

RE: Flyback Transformer

Hi, You can swap the Flyback transformers between Compact Macs ranging from an 128K to a Classic II. Even though the part numbers are different, the flyback transformers can be exchanged. Take Care, Nico I think my flyback transformer has finally failed.   Would later model Mac flybacks

RE: Mac Plus help

We have a few working Mac Plus instruments in our inventory www.cu- see.com. If you can't find one in Europe we could scavenge a board out of one so it isn't so expensive to ship it to you. He needs the European version of the Analog volts rated at 230 Volts. The USA version won't work as

Looking for P1 connector Analog Board Plus/SE

Hi, I'm looking for the P1 connector of a Mac Plus/SE Analog board. I recently bought a Mac Plus where the P1 connector was partly melted and severely burnt. Can anyone help me out with a spare one from a salvage analog board ? Contact me off list. Many Thanks, Nico Vanden Eynde Belgium

RE: IIgs and Compact Mac?

Do system 6 or 7 behave with the IIgs in respect to ProDOS disks reading/writing or AppleTalk? Is there a better way of managing disk image conversion/transfer than what I have planned? Format 3.5 floppies on your IIGS as ProDos. Then use a Compact Mac like an SE or SE/30 to get transfer

RE: Installing Mac Classic SCSI Hard Drive

Hi, The Mac Classic does not need the internal battery to boot from a hard drive, none of the Compacts Macs do except for the Color Classic. I'm not surprised that hard drives from a Powermac G3 don't work in a Classic. Most likely you are trying 7200 rpm or faster drives that require a lot of

RE: WTB: 400k floppy

On Nov 29, 2011, at 3:50 AM, paulievox wrote: Hi folks, Looking for a working 400k floppy drive for Mac 128. Either internal or external would be fine. Searched high and low for resale shops online, but no dice. If anyone could at least point me in the right direction I'd be much

RE: Just got a Macintosh 128, screen not working

I happened to be in the right place and the right time, and found an original Mac 128k in great shape on Craigslist. Unfortunately, the screen doesn't work. I can power it on, but it makes the mac bong, and it sounds like a crt is turning on, but nothing comes on the screen. There is a red

Re: Mac Color Classic no power w/original logic board

On my classic I have the same sound issue, so is the board the same caps wise? The only good solution is to replace all the SMD capacitors. The Classic I logic board is pretty easy to repair. It's useless to replace only the capacitors related to the sound and leave the others as they are in

Recapping logic boards with Tantalum capacitors instead of Aluminium Radial: best brand ?

Hi, I have already recapped several of my Mac Classic I/II, SE/30 and Mac Portable logic boards with Aluminium SMD capacitors in the past, like they were originally. However given radial caps won't last as long as Tantalum one's, I would like to use these in future projects. I've been

RE: Mac Color Classic no power w/original logic board

Do you know of a good resource describing how one should replace the SMD capacitors? Should one get the capacitors at a place like radio shack or is there an online place one can order them? What type of soldering iron etc.? This webpage describes how to remove and resolder the capacitors.

RE: Mac Color Classic no power w/original logic board

I try to turn it on, and it won't start up, but with the board from my Dad's Color Classic inserted, it fires right up. The only problem with that is that his Color Classic also works perfectly as long as the working logic board is in there, so I need to either find one for mine or fix the one I

RE: 1984 Macintosh with screen problems?

i seem to have a problem with my old Macintosh display. i took a shot of it and you can see it at http://www.flickr.com/photos/91379880@N00/6242620937/ anyone here have any idea? It looks like an issue with the vertical sweep. I have seen cases where only about half of the screen is used: this

RE: An amazing thing happen on eBay on Sunday morning!

On Mon, Oct 17, 2011 at 5:48 AM, Dean wrote: I watch this happen. I guess there is still a market for Classic Mac's http://www.ebay.com/itm/140618140783?ssPageName=STRK:MEWAX:IT_trksid=p3984. m1438.l2649 I think this will be short lived. All prices of Vintage Apple stuff rocket now because of

Looking for Hinge/feet of Mac Portable

Hi, I'm looking for the following parts: - 1x Hinge for the screen - the 2x plastic plates that keep the hinges in place - the 3x small feet at the bottom of the case: they cover the tabs to release the cover plate of the keyboard. I hope someone is able to help me out here :-)

WTB: MicroMac Performer(Pro) Accelerator for Mac Plus/SE

Vanden Eynde Belgium -- - You received this message because you are a member of the Vintage Macs group. The list FAQ is at http://lowendmac.com/lists/vintagemacs.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to vintage-macs

RE: Still not sure of the cap, still not certain C1 is the issue with my little old lady (Mac Plus)

Hi, It's not sure that the capacitors are the problem. It can also be the flyback or other components on the board. Buy an ESR meter to test the capacitors: it has been the best investment I ever made for repair vintage Macs ! Testing capacitors with a multimeter is not reliable. Take Care,

RE: Super clean (but slightly sick) Mac Plus

Random reboots often point to the voltage of the PSU being out of specs. Measure the 5 and 12 volt lines through the external floppy drive connector. Take Care, Nico -Oorspronkelijk bericht- Van: vintage-macs@googlegroups.com [mailto:vintage-macs@googlegroups.com] Namens poopoopoopoo

RE: Apple LC 475 CD-Rom boot Issue

Hi Austin, Make sure termination is enabled on your new hard drive and parity as well. There should be 2 jumpers on the hard drive to do this. Take Care, Nico -Oorspronkelijk bericht- Van: vintage-macs@googlegroups.com [mailto:vintage-macs@googlegroups.com] Namens Austin Ramsay

WTB: Motherboard for Powerbook 140/145/170

of the PMU, Pram is already replaced to no avail. Thanks, Nico Vanden Eynde Belgium -- - You received this message because you are a member of the Vintage Macs group. The list FAQ is at http://lowendmac.com/lists/vintagemacs.shtml and our netiquette guide is at http://www.lowendmac.com

RE: Macintosh SE FDHD screen jumbles when initializing drive.

Hi, I have checked my Mac SE and SE FDHD: both have 4MB Ram in 2-chip modules from Texas Instruments, and are rock stable. I even didn't know Mac SE's have problems with 2 chip modules. It's weird... Well, you could give it a go and try 8 chip modules to see if they work. You can find these

RE: Macintosh SE FDHD screen jumbles when initializing drive.

Hi, Was the Mac SE working stable before trying to re-format the hard drive and upgrading the Ram ? Try disconnecting the SCSI connector ( leave the power connected ) of your hard drive and boot again with the Disk tools floppy and start Apple HDSC setup. Let HDSC setup seek a few times for the

Looking for driver disk of Dayna Pocket SCSI to ethernet adapter

Hi, I'm looking for the driver disc of a Dayna Pocket SCSI to ethernet adapter. The drivers used to be on Intel's website but they have apparently removed all drivers for Dayna products. I've searched Google to no avail. I hope someone can help me out. If you have the driver disk,

RE: Mac Classic II parts

Hi, A working Classic II logic board is next to impossible to find. They suffer of the same problem than the SE/30 one's: failing SMD capacitors. I'm looking for one myself for a long time. Those offered on Ebay are almost always dead and beyond repair. Given the logic board you have is already

RE: Looking for L2 pot of Mac Plus Analog board

Hi Doug, Many thanks for the L2 variable inductor. I hope the post office accepts the package so I can fix my Mac Plus' analog board. Nico -Oorspronkelijk bericht- Van: vintage-macs@googlegroups.com [mailto:vintage-m...@googlegroups.com] Namens Doug McNutt Verzonden: maandag 18

RE: Looking for L2 pot of Mac Plus Analog board

I did use the right tool to adjust the L2 pot. The plastic tube was already cracked when I received the Mac and the core is stuck. It is either glued in the tube or otherwise because the tube was cracked, the core couldn't be moved anymore. It's from a Mac Plus ED I recently acquired. I don't

RE: Looking for L2 pot of Mac Plus Analog board

Hi, If it were fine then there would be no need to adjust it. Of course it wasn't fine. Many CRT's aren't well adjusted in these Compact Macs. Also when the Flyback gets older, the picture can shift over to one side or V-Size/H-Size changes so if you want to adjust it. The SE series and later

Looking for L2 pot of Mac Plus Analog board

Hi, I'm looking for the L2 pot ( horizontal width screen ) of a Mac Plus analog board. I doubt there's a replacement part on the market ( Digikey ? ) for the L2 pot so if someone could help me out here you would do me a huge favor ! Thanks, Nico -- - You received this message because

RE: Flickering CRT upon cold start of Mac Plus

Hi, I have just replaced all the radial and axil capacitors on the Analog board. After removal I checked them with a capacitance meter: they were all within specs + none of them were shorted/open or were leaking fluid. The old one's all looked like new. It's weird that the board is working

RE: Mac SE Hard Disk Failure

Hi, Can you provide the model and brand of the hard drive ? Do you hear the engine of the platters spinning upon power on ? If there are any external SCSI devices: disconnect them first. Nico -Oorspronkelijk bericht- Van: vintage-macs@googlegroups.com

RE: Compact Flash replacement for 3.5 HD?

Nico, I have a dust free HEPA filtered hood in my lab so I could do this type of operation. Your pictures would be vital in this regard. So the trick is simply to remove the parking mechanism completely. How innovative. Jeff - Original Message - From: Nico Vanden Eynde nico...@i4all.eu

RE: Mac SE Hard Disk Failure

-macs@googlegroups.com [mailto:vintage-m...@googlegroups.com] Namens PeterH Verzonden: zaterdag 9 oktober 2010 16:49 Aan: vintage-macs@googlegroups.com Onderwerp: Re: Mac SE Hard Disk Failure On Oct 9, 2010, at 6:29 AM, Nico Vanden Eynde wrote: Can you provide the model and brand of the hard

Flickering CRT upon cold start of Mac Plus

Hi, The CRT of my Mac Plus is flickering rather heavy upon cold start and contrast set rather low. There are sort of horizontal waves rolling through the display. It goes away after a few minutes but comes back when the machine is powered off for about 10 minutes. I have excluded the following

RE: M0001P Mac

Hi, It's easy to see if it's a 128K or 512K. According to the date it should be a Mac 128K, however it can be upgraded. First check the floppy drive: if you see a red light inside then it's a 400KB drive. Now boot it with a bootable floppy and click on the Apple icon and then About: this will

RE: Compact Flash replacement for 3.5 HD?

Hi Jeff, You have to open the drive in a dust free environment and remove the parking spring or magnet. The procedure is different depending on the brand of the HDD. This is indeed the famous stiction issue : many people think the drive it broken because it spins up ( and down again like the

RE: M0001P Mac

Hi, The 400K obviously needs servicing first given you have disk insertion issues. If you don't do this then you will permanently damage the drive. The floppy disk needs to go in as smooth as with an 800K or Superdrive if the drive is properly serviced ( = cleaned, greased and lubricated ).

RE: Compact Flash replacement for 3.5 HD?

Hi, If you want to keep your collecton original, then I should definitely keep the pile of vintage scsi drives :-) I have only rebuild 2 pieces of my collection with an SSD drive because I want them to be as fast as possible and I needed the storage space. My SE/30 is serving as a printer and

RE: Compact Flash replacement for 3.5 HD?

Hi Jeff, I partitioned the SSD in 2x 4GB under Mac OS 7.5.5 with Apple's patched HDSC setup and all runs smooth. The SE/30 runs much faster than with the stock IBM 160MB SCSI drive. Initializing was no problem even though it took a while to complete. I have tried the same setup in my Mac IIFx

RE: Compact Flash replacement for 3.5 HD?

Hi, In an SE/30, I have an Acard SCSI to IDE adapter connected to a Transcend SSD IDE of 8GB with SLC chips. It works like a charm, is very fast and of course noiseless. The only disadvantage is that you don't have the HDD activity led anymore. You do need extra brackets from 3.5 to 2.5 to fit

RE: Getting Vintage Parts: Portable M5120 and/or Lisa

I used to use my the adapter for my 180 with no problem (the 180 was the same as the 165c, but with an active matrix monochrome). The Power adapter of the 180 is not the same as the 165c and 180c. The 180 adapter was rated at 2 amps where the 165c/180c were rated 3 amps. Reference:

RE: Getting Vintage Parts: Portable M5120 and/or Lisa

Hi, You can rebuild the original battery without a lead-acid battery. I have rebuild one using 10x AA NimH batteries of 1.2 Volts, 2500 Mah ( 2x series of 5 ). The main advantage is that it doesn't matter anymore if the Mac portable drains these batteries completely. You can easily recharge

RE: RE: Getting Vintage Parts: Portable M5120 and/or Lisa

Hi, I haven't encountered any problems with the Nimh batteries. Charging works well, the cells don't get hotter than usual + the battery indicator in Mac OS 6 on the Mac Portable works correct too. I don't see any reason to avoid Nimh cells. Switching to Lithium-ion is another case where I

RE: Getting Vintage Parts: Portable M5120 and/or Lisa

Hi, The Mac Portable runs best under Mac OS 6.0.8 This can be freely downloaded from the Apple Website at: http://www.info.apple.com/support/oldersoftwarelist.html The 9v battery is a standard 9 volt battery you can buy in almost everywhere where they sell standard batteries ( Wallmarkt,... ).

RE: SE/30 floppy 'Simasi'

Hi, Do you have an external floppy drive you can use to test ? If this works then it's unlikely that the FDD controller is faulty. Do you hear to motor of the FDD when inserting a disk ? What happens then: is the floppy disk automatically ejected almost immediately or does it mount ? Are the

RE: help with Asante Mini EN/SC on SE/30

Hi, Most of the vintage Asante ethernet cards, including the EN/SC SCSI adapter, only work at 10 Mbps + you need to connect them to a HUB, not a switch. I use old 3Com Officeconnect Hub 8C : these work fine with all vintage ethernet boards I have. When using Mac OS 6.0.8, you need to use MacTCP

RE: Mac Plus flyback transformer?

Hi, You can swap the Flyback transformers between Compact Macs ranging from an 128K to a Classic. Eventhough the part numbers are different, the flyback transformers can be exchanged. I would even recommand to use a flyback from a Mac SE or higher to repair an 128K/512K/Plus since these flybacks

Hissing speaker Mac Portable

Hi, There's static/hissing noise coming from the internal speaker of my Mac Portable. When playing a sound then the hissing goes away for about 20 seconds and then comes back again. It goes from loud to silent, no matter how high the speaker volume is set. Most of the time it's loud. I

RE: Colour Classic boot problems....

Hi, The battery will likely be inserted the right way as otherwise it wouldn't soft start. I have had a similar issue with my Colour Classic a while ago and solved it by replacing all the SMD radial capacitors. Check for leakage on the logic board next to the small round capacitors : if you see

Service Manual of Powerbook duo 270C

Hi, I'm looking for the service manual of the powerbook duo 270c as I need to disassemble the display housing to replace a broken LCD cable. If I recall well there was only 1 service manual for the complete Duo 200 series. I hope someone here can help me out. Thanks, Nico

RE: Powerbook 150 does not start-up from new Main battery

Hi, This is the procedure from Apple to reset the PMU. I did try this a few times as you described to no avail. I guess it's a broken diode or transistor on the logic board caused by the old main battery which has shorted cells. I have never seen this problem in any other powerbook I have

RE: need help with WD external hard drive

Hi, Disk first Aid won't be of much help I'm afraid. What's model/brand is the Internal HDD of your Mac Classic ? If it's a Quantum Prodrive ELS then the problem you describe sounds familiar. This HDD model has no parity on the SCSI bus so you have to disable parity on all other SCSI

Powerbook 150 does not start-up from new Main battery

Hi, I have a very weird power issue on my 2 Powerbook 150 laptops. I have seen exactly the same problem with the powerbook 150 from fellow collectors I know. It's unable to cold-start from a fully charged battery by pressing the power button at the back. Service status: The fuse is checked, DC

Looking for Floppy that came with Larry Pina's Macintosh Repair Upgrade Secrets book

Hi, I'm looking for the floppy disk that came with the book from Larry Pina: Macintosh Repair and Upgrade Secrets for models 128K to macintosh SE. Now that I finally bought the book on Ebay ( 2nd hand ) last week, it appeared that the floppy disk is missing. I'm sure someone can help me out

RE: powerbook 165 problem

Hi, You have to boot with the Disk Tools' floppy first and then run Apple's HDSC setup. Choose to Initialise the Hard Drive and afterwards choose Test to check if the HDD is good. Should you already get an error during Initializing then most likely the HDD has bad sectors or other issues. If

RE: Which Classic II Capacitors should I change?

Hi, In short all SMD capacitors. They are all old and degraded so when rebuilding a logic board you really need to replace them all. It's really impossible to say exactly which capacitor is responsible for the failure of the board: probably it will be several one's. At the top of each SMD

RE: Mac IIFx won't soft-start from keyboard but starts with power switch

Hi, The PSU is not faulty and the keyboard is OK as well since I they work perfectly with my other Iifx logic board. It has to be something on the IIFX logic board, not the keyboard/PSU Nico -Oorspronkelijk bericht- Van: vintage-macs@googlegroups.com

RE: Another sound question, Mac SE/30 no speaker sound??

Hi, When I do capacitor replacements on Logic or Analog/Power supplies, I always replace them with identical one's so in the end it's even for a trained eye hard to see that the capacitors have been replaced at all if you are handy with the soldering iron. By using identical capacitors as the

Mac IIFx won't soft-start from keyboard but starts with power switch

Hi, I'm having an power/startup issue with a Mac IIFx logic board. The Pram batteies are new and all capacitors have been replaced. The board works fine and stable once the Mac IIFx is started with the power button as the back. It won't however soft-start with the power button on the

RE: Another sound question, Mac SE/30 no speaker sound??

Hi, As long as the voltage of the new capacitors is the same or higher than the original one's you're fine. Just the capacitance has to be the same. Apple used SMD capacitors of 47uf 16v and 1uf 50v on the SE/30 logic boards. Nico -Oorspronkelijk bericht- Van:

RE: Mac Portable Problems

Hi, The high-frequency wheening and clicking sounds are from your hard drive. I guess it's dead now. Probably due to age or frequent power loss. The logic board of the Mac Portable has the same issues as seen with SE/30 and Classic II logic boards: failing SMD capacitors. They need to be

RE: Mac 128k hissed then died

Hi, Does someone know an online electronics store that takes orders from Europe or even better a store in Europe where you can order replacement flybacks for the Mac 128/512K/Plus ? Local electronics stores that have this kind of stuff are impossible to find here in Belgium. They mostly don't

RE: Asante mc+30iet64 full or half duplex?

Hi, Often the old Asante Card don't work with modern 10/100 switches, sometimes even not with 10/100 Hubs as well. You need a pure 10 Mbps Hub to let the card work without problems. It can be that the leds on the Se/30 Bracket and on your switch light up in half-duplex mode, however this is

RE: Resurrecting a IIsi

Hi, The Mac IIsi has a power button on the back. Since the hard drive is running, the logic board has power so it's not the Pram battery. Try removing all Ram modules: you don't need them for test as the IIsi has 1MB Ram soldered onboard. Reseat the Rom simm if you have a version with separate

RE: How do I get a Mac SE/30 to boot?

Hi, It sounds like the SE/30 does not POST. Disconnect the internal FDD and HDD, check that Ram is installed and the Rom Simm is installed as well. It might help to remove the Ram/Rom modules as a faulty ram module can prevent it from botting up: remove all the ram modules and just fill the

RE: Fast NuBus card for fx?

Hi, The fastest video card you can buy for your Mac IIFx is the Radius Thunder IV GX 1600. It supports up to Mac OS 8.6 I'm using it with Mac OS 7.6.1 in my Mac IIFx and video performance is really stunning. The problem can be that this specific card is hard to find. I looked over 1 year to

Restore Vintage Hard Drives suffering from stiction of the heads - in reply to PB100 topic

Hi, Don't sell the powerbook 100: the Connor drive can 8/10 times be repaired ! Is it still the original 20 or 40MB Connor HDD ? You just need to open the Hard Drive in a dust free environment ( or as little dust as possible ) I have done this numerous times with all sorts of Vintage Hard

RE: powerbook 100 help needed

Hi, The Powerbook 100 is a Compact version of the Mac Portable and sort of different compared with other powerbooks from the PB100 series. The 2 small buttons on the leftside are the Reset and Interrupt switches. These are not power buttons. To power on the PB100: just press any key ( except

RE: Battery for Mac Classic

Hi, Try the following: 1) Disconnect both the FDD and HDD: power on Do you see the blinking FDD icon and hear the startup bong or does the screen remain completely black ? If not screen: Check the bulb at the back of the Yoke: you should see it glow in the dark. Also check if the screen is

RE: Battery for Performa 630

Hi, You can buy the 4.5 volts battery pack here: http://www.applemacparts.co.uk/store/index.php?cPath=7759_7766_7776 They are also easily to find on Ebay.com Look for Rayovac 840 Take Care, Nico -Oorspronkelijk bericht- Van: vintage-macs@googlegroups.com

RE: Battery for Mac Classic

Hi, All Compact Macs ( from 128K to Classic II with the exception of the Colour Classic ) can boot without Pram battery installed. Capacitor problems are well known with SE/30 and Classic II. Other Compact Macs don't seem to suffer much from capacitor issues as they don't use SMD capacitors on

RE: SCSI drive behavior

Hi, Specify model/type and capacity so we can help you out. Note that large drives of several GB's mostly run at higher RPMs than those who were originally installed in the Compact Macs and can ask too much current from your PSU, more than it can deliver. Sometimes these can spin up but then

RE: Mac IIFX does not power on with keyboard startup button

@googlegroups.com [mailto:vintage-m...@googlegroups.com] Namens Nico Vanden Eynde Verzonden: vrijdag 6 maart 2009 19:01 Aan: vintage-macs@googlegroups.com Onderwerp: RE: Mac IIFX does not power on with keyboard startup button Hi, There's 5 volts between pins 3 and 4 of the ADB socket. Both fuses

Mac IIFX does not power on with keyboard startup button

Hi, When testing my spare logic board for my Mac IIFX, I found it refuses to power on pressing the startup button on the keyboard. The keyboard ( incl cable), the PSU, both Pram batteries and the 2 Nubus cards ( video and network ) are fine as everything works well on my original logic board. I

RE: Mac IIFX does not power on with keyboard startup button

Onderwerp: Re: Mac IIFX does not power on with keyboard startup button On Fri, 6 Mar 2009 18:25:00 +0100, Nico Vanden Eynde nico...@i4all.eu wrote: Hi, When testing my spare logic board for my Mac IIFX, I found it refuses to power on pressing the startup button on the keyboard. Anyone an idea what

RE: 3Com Officeconnect 10/100 Hub locks up with Mac SE

, Nico Vanden Eynde nico...@i4all.eu wrote: Hi, I have been using pure 10Mbps 3Com Hubs in the past to connect my Compact Macs to the Internet. Problem: I bought an old 3Com OfficeConnect 10/100 Mbps Hub with 16 ports in order to let the old Compact Macs like the MAC SE still connect

RE: Color Classic II boot / tool disk

Hi, Regarding the Boot issue with the Colour Classic II: does the motor of the hard drive keep running after power-on or does it spin-up and down a couple of times before it goes silent ? If so: the hard drive is faulty. Start with an OS 7.6 Boot disk and see if the HDD still appears on the