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Search: Posts Made By: alexh
Forum: support.Hardware Today, 13:06
Replies: 43
Views: 933
Posted By alexh
I found the patch location ($3824E) and MD5 HASH...

I found the patch location ($3824E) and MD5 HASH (D1145AB3A0F89340F94C9E734762C198) (https://cloanto.com/amiga/roms/getcrc/ceae68d2.html) for v2.07 (see previous post).

The MD5 HASH for v1.0 is...
Forum: support.Hardware Today, 12:57
Replies: 43
Views: 933
Posted By alexh
cdfs.library not cdtv.device

cdfs.library not cdtv.device
Forum: support.Hardware Today, 11:53
Replies: 43
Views: 933
Posted By alexh
It is possible to use v2.07 because cdfs.device...

It is possible to use v2.07 because cdfs.device didn't change between v2.07 and v2.30. You just need to know the address to patch, which you can get using RomSplit/Remus...
Forum: support.Hardware Today, 10:31
Replies: 43
Views: 933
Posted By alexh
Thanks, should help those who want to try this...

Thanks, should help those who want to try this but are not comfortable with hexedit.

If anyone is interested, this script verifies the input file is a valid 2.30 extended ROM (using MD5 hash) and...
Forum: support.Hardware Today, 01:25
Replies: 1
Views: 77
Posted By alexh
27C1000 are byte wide EPROMs (unlike 27c400 which...

27C1000 are byte wide EPROMs (unlike 27c400 which are 16-bit) so there's nothing to swap. But you must split them into odd and even (you need two 27C1000)

These EPROMs are great for Atari STe TOS...
Forum: support.Hardware Today, 00:18
Replies: 43
Views: 933
Posted By alexh
You? The exact details are in my post TF has...

You? The exact details are in my post

TF has replied albeit cryptically



Here could mean my post, that one byte, or it could mean the other patches throughout his thread on exxos as he...
Forum: Retrogaming General Discussion Yesterday, 20:34
Replies: 32
Views: 1,254
Posted By alexh
There are value-for-money Amiga's to be had, but...

There are value-for-money Amiga's to be had, but they have moved from eBay to other sales channels. Even Facebook marketplace is getting expensive. Try the local selling forums for your area, free...
Forum: support.Hardware Yesterday, 20:14
Replies: 43
Views: 933
Posted By alexh
I thought there might be enough information in...

I thought there might be enough information in the CDTV thread over at exxos to patch the ROM rather than require the firmware which patches on the fly?

viewtopic.php?f=76&t=1951&start=30#p23329
...
Forum: support.Hardware 22 October 2020, 19:52
Replies: 43
Views: 933
Posted By alexh
Surely you just hand edit the ROM in hex edit and...

Surely you just hand edit the ROM in hex edit and burn into a 27c1000 EPROM to try it out?
Forum: support.Hardware 22 October 2020, 12:05
Replies: 43
Views: 933
Posted By alexh
In the original CDTV thread on the exxos forum TF...

In the original CDTV thread on the exxos forum TF lists the addresses of places in the ROMs to be patched.

I believe it is this single location in cdfs.device which when pactched allows the system...
Forum: Coders. Asm / Hardware 19 October 2020, 10:24
Replies: 9
Views: 580
Posted By alexh
Most programs only use a handful of the blitter...

Most programs only use a handful of the blitter functions so a 1:1 emulator of all functions of the blitter would seem to be a bit overkill?

I imagine most late Amiga programs detect the CPU and...
Forum: MarketPlace 17 October 2020, 08:44
Replies: 5
Views: 632
Posted By alexh
Retr0bright. A mix of hydrogen peroxide and TAED....

Retr0bright. A mix of hydrogen peroxide and TAED. Plus UV light (sunlight)
Forum: project.CD32 Conversion 14 October 2020, 22:35
Replies: 6
Views: 601
Posted By alexh
Thank you

Thank you
Forum: support.Hardware 11 October 2020, 16:49
Replies: 226
Views: 7,804
Posted By alexh
The Apollo core is an interesting development....

The Apollo core is an interesting development. Hats off to the developers for producing a product Amiga owners want to buy. The future is interesting though. It’s close source nature means...
Forum: support.Hardware 08 October 2020, 00:29
Replies: 37
Views: 1,279
Posted By alexh
The install disk and parts of the manual are...

The install disk and parts of the manual are linked to in this thread
Forum: support.Hardware 07 October 2020, 07:34
Replies: 4
Views: 191
Posted By alexh
You could try a different DMAC-02 chip to fix the...

You could try a different DMAC-02 chip to fix the onboard SCSI. Easier said than done these days with everyone doing A3000++ builds
Forum: support.Games 03 October 2020, 00:05
Replies: 35
Views: 852
Posted By alexh
FYI Edu Arana is developing a new SCSI adapter...

FYI Edu Arana is developing a new SCSI adapter card for CDTV which has integrated SCSI2SD meaning if you want an internal solution you don't have to find ultra-rare 2.5" SCSI drives or use...
Forum: Nostalgia & memories 01 October 2020, 21:14
Replies: 6
Views: 619
Posted By alexh
I think so. Meaning the TCE leak must have been...

I think so. Meaning the TCE leak must have been before he joined.
Forum: support.Hardware 01 October 2020, 17:16
Replies: 4
Views: 293
Posted By alexh
This is the one I printed ...

This is the one I printed

https://www.thingiverse.com/thing:4289506/comments

But someone made a real 1:1 copy of the original using a mold, unfortunately he was sold out before I found out and...
Forum: Nostalgia & memories 01 October 2020, 16:58
Replies: 6
Views: 619
Posted By alexh
I think the leak was in the 1970s but knowing...

I think the leak was in the 1970s but knowing what these places and the super nasty chemicals they use I bet there were spills all the way to the 1990s.
...
Forum: Nostalgia & memories 01 October 2020, 07:49
Replies: 6
Views: 619
Posted By alexh
The reason no one has moved in and they've not...

The reason no one has moved in and they've not torn it down is the whole site is one of the most polluted places. They kept lots of waste chemicals in tanks underground which leaked and seeped into...
Forum: support.Hardware 30 September 2020, 22:31
Replies: 37
Views: 1,279
Posted By alexh
I'm only familiar with A500 GVP Impact Series II...

I'm only familiar with A500 GVP Impact Series II HD8+ which had a switch on the top to disable autoboot. Are there no jumpers to disable autoboot?
Forum: support.Hardware 30 September 2020, 17:31
Replies: 3
Views: 174
Posted By alexh
Yes NC is usually not connected. Possibly just...

Yes NC is usually not connected. Possibly just there for stabilisation (NOTE: I've not read the datasheet for that crystal)
Forum: support.Hardware 30 September 2020, 17:25
Replies: 3
Views: 174
Posted By alexh
It's the crystal for the FPU so that you can run...

It's the crystal for the FPU so that you can run the FPU asynchronously (faster) than the 14MHz onboard A1200's EC020 CPU.

Not needed if you don't have an FPU fitted.

Or even if you do you can...
Forum: support.Hardware 30 September 2020, 10:52
Replies: 13
Views: 521
Posted By alexh
The simple solution has been around since day...

The simple solution has been around since day one, a pre-requisite for Atari ST owners who didn't want to break their mouse ports... the dual 9-pin cable extenders.
...
Forum: Amiga scene 30 September 2020, 10:47
Replies: 581
Views: 86,514
Posted By alexh
There were no 040 accelerators for the A1200 in...

There were no 040 accelerators for the A1200 in 1993 (and probably non in 1994 either)
Forum: Coders. Asm / Hardware 29 September 2020, 22:15
Replies: 45
Views: 5,009
Posted By alexh
There was 3G59Y...

There was 3G59Y (https://www.nxp.com/docs/en/product-change-notice/PCN3448.html) for EC/LC only too which came in when the full 060 was changed to 1E41J (what you have noted as Rev5).

FYI you...
Forum: support.Hardware 29 September 2020, 14:05
Replies: 37
Views: 1,279
Posted By alexh
I think there is a ROM dump from the 500 LX...

I think there is a ROM dump from the 500 LX version (probably the same HW). I think it is later than yours (v67.1 trifecta.device labelled v4.31)

It is in post #16 of this thread (but later Toni...
Forum: support.Hardware 29 September 2020, 10:15
Replies: 37
Views: 1,279
Posted By alexh
Definitely worth a bug report to the SCSI2SD...

Definitely worth a bug report to the SCSI2SD people. Shame you don't have a Logic Analyser so you could have helped debug.
Forum: support.Hardware 29 September 2020, 07:53
Replies: 23
Views: 999
Posted By alexh
He's left the scene I think. But his website and...

He's left the scene I think. But his website and all design files are still up.
Forum: support.Hardware 29 September 2020, 07:48
Replies: 6
Views: 432
Posted By alexh
Too big. Home made from sheet steel is...

Too big.

Home made from sheet steel is possible but time consuming.

Someone breaking a CDTV for parts is your best bet.
Forum: support.Hardware 27 September 2020, 22:16
Replies: 4
Views: 293
Posted By alexh
Good luck. I've never been able to find intact...

Good luck. I've never been able to find intact second hand ones.

I 3D printed mine at work. The design was off Thingverse. It's ok. Especially if you have a printer large enough to do it in one...
Forum: MarketPlace 25 September 2020, 22:48
Replies: 8
Views: 1,013
Posted By alexh
You'll never, never, never (never?) get a DMAC...

You'll never, never, never (never?) get a DMAC -04. They only manufactured a few thousand for A3000T/040 and IIRC the MOS/CSG FAB process they used to make the chip closed. With the A4000 AGA chipset...
Forum: support.Hardware 24 September 2020, 19:08
Replies: 37
Views: 1,279
Posted By alexh
Which version of scsi2sd do you have? There were...

Which version of scsi2sd do you have? There were lots of firmware updates for v6 recently and a new PCB.
Forum: support.Hardware 24 September 2020, 14:16
Replies: 37
Views: 1,279
Posted By alexh
Interesting device. I always wanted one. I always...

Interesting device. I always wanted one. I always wondered how they were able to make claims of bandwidth exceeding 2x the theoretical Zorro II bandwidth. Marketed with phrases like "hidden DMA...
Forum: support.Hardware 22 September 2020, 08:43
Replies: 23
Views: 999
Posted By alexh
The mrmkl IDE68K is the cheapest "high speed"...

The mrmkl IDE68K is the cheapest "high speed" mass storage option for the A500. It adds an IDE interface and can be combined with MEM68K for 8MB of FastRAM. If you can find someone selling them today...
Forum: News 21 September 2020, 17:19
Replies: 0
Views: 1,172
Posted By alexh
New CDTV expansions

Hi,

I dunno if this is of any interest to many people but Spaniard Amiga dude Edu Arana has created lots of (short runs) of Amiga products recently and I noticed two for the CDTV.

A replacement...
Forum: project.WHDLoad 21 September 2020, 05:29
Replies: 12
Views: 1,544
Posted By alexh
Thanks for all your hard work over the years

Thanks for all your hard work over the years
Forum: Amiga scene 15 September 2020, 10:48
Replies: 155
Views: 21,327
Posted By alexh
If you're really interested, you "find a way"....

If you're really interested, you "find a way". There have been some great bug reports where the reporter had no experience but managed to report:

"Provide the exact version of Minimig AGA core"...
Forum: Coders. General 13 September 2020, 23:36
Replies: 9
Views: 590
Posted By alexh
You could say that about anything. They...

You could say that about anything. They approached me about licensing and haven't published anything they didn't license
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