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Search: Posts Made By: Shadowfire
Forum: News 01 February 2018, 01:57
Replies: 12
Views: 1,605
Posted By Shadowfire
The no-UDMA cable is most likely due to them...

The no-UDMA cable is most likely due to them using 40 pin connectors instead of the keyed 39/40 pin connectors required to use a UDMA cable.
Forum: New to Emulation or Amiga scene 23 January 2018, 06:19
Replies: 5
Views: 360
Posted By Shadowfire
That A3000 also has a "1.4" kickstart in ROM, its...

That A3000 also has a "1.4" kickstart in ROM, its a really early version of 2.0.
You can probably boot a Workbench 1.3 disk with it.
Just hold down both mouse buttons on powerup, when that boot...
Forum: Hardware mods 17 September 2017, 22:47
Replies: 3,288
Views: 209,973
Posted By Shadowfire
Directly from the datasheet for the...

Directly from the datasheet for the IS41LV16100B-50TLI-TR.

ABSOLUTE MAXIMUM RATINGS(1)
Symbol Parameters Rating Unit
VT Voltage on Any Pin Relative...
Forum: support.Hardware 09 August 2017, 06:54
Replies: 17
Views: 946
Posted By Shadowfire
Green screen = Chip RAM problem. The chip ram is...

Green screen = Chip RAM problem. The chip ram is the ram in DIP sockets near the RTC batter (in front of the machine); the 68000 is executing Kickstart but failing the memtest from $00000000+, and...
Forum: Hardware mods 28 July 2017, 02:31
Replies: 32
Views: 1,865
Posted By Shadowfire
That same sheet also says the only pcb revision...

That same sheet also says the only pcb revision which had this problem (7.0) did not ship out to customers. So unless you have a prototype 7.0 A3000, which is highly unlikely if you didn't work in...
Forum: Hardware mods 10 July 2017, 15:17
Replies: 32
Views: 1,865
Posted By Shadowfire
This is technically not true. The superkickstart...

This is technically not true. The superkickstart A3000's were shipped prior to OS 2.0 being finished; these particular A3000's were supplied with an earlier version of 2.0 (actually, at the time it...
Forum: support.Hardware 20 June 2017, 01:09
Replies: 15
Views: 1,627
Posted By Shadowfire
I purchased two Rys Mk. 2 adapters from...

I purchased two Rys Mk. 2 adapters from Amigakit.com, in order to hook up a modern optical mouse to my Amiga 500/Amiga 2000.
Changing the mouse speed is performed by pushing in on a recessed button...
Forum: Hardware mods 04 June 2017, 06:13
Replies: 34
Views: 1,703
Posted By Shadowfire
Same here, also an A500, also plugged cable in...

Same here, also an A500, also plugged cable in reverse. Gotek survived, USB stick did not.
Forum: support.Hardware 03 June 2017, 02:42
Replies: 33
Views: 1,288
Posted By Shadowfire
If you have no intention of re-using the IC, and...

If you have no intention of re-using the IC, and don't have a proper desoldering station, its almost always faster to just cut off all the leg near the plastic package (i.e. with the cutters coming...
Forum: support.Hardware 21 May 2017, 19:05
Replies: 19
Views: 887
Posted By Shadowfire
Not cost effective to repair unless you're doing...

Not cost effective to repair unless you're doing it yourself, and your time is free. If you get another ECS machine, I would swap the major components in and out of the new machine to save whatever...
Forum: support.Hardware 20 May 2017, 00:51
Replies: 19
Views: 887
Posted By Shadowfire
Your power supply fried your motherboard. There...

Your power supply fried your motherboard. There is a 100% likelihood that multiple components on the 5V rail are dead (RAM is one of the first things to die, and you aren't even getting a green...
Forum: support.Hardware 20 May 2017, 00:45
Replies: 10
Views: 1,260
Posted By Shadowfire
My 1/2 cent: The whole situation with ZorRAM not...

My 1/2 cent: The whole situation with ZorRAM not having a back plate (or a multitude of standalone products which don't even have a case, for that matter), is kind of reminiscent of not bothering to...
Forum: Hardware mods 20 May 2017, 00:35
Replies: 10
Views: 983
Posted By Shadowfire
Check www.farnell.com, www.digikey.com or...

Check www.farnell.com, www.digikey.com or www.mouser.com (since you're in the UK you'll probably want to use Farnell)
Forum: Retrogaming General Discussion 19 May 2017, 03:42
Replies: 17
Views: 968
Posted By Shadowfire
Honestly, the EA version sounds awful.

Honestly, the EA version sounds awful.
Forum: New to Emulation or Amiga scene 12 May 2017, 01:32
Replies: 23
Views: 6,394
Posted By Shadowfire
The other nice thing about the A2630 is that the...

The other nice thing about the A2630 is that the 4mb of 32-bit onboard RAM is still available in 68000 mode.
Forum: support.Hardware 06 May 2017, 20:00
Replies: 15
Views: 1,627
Posted By Shadowfire
This page here ...

This page here
http://retroami.com.pl/index.php?id_product=158&controller=product&id_lang=1
indicates that the RysMkII can be used with the C64 and Atari ST as well.

There's really no reviews of...
Forum: support.Hardware 14 March 2017, 17:06
Replies: 10
Views: 1,260
Posted By Shadowfire
So... there's current-limiting resistors...

So... there's current-limiting resistors everywhere?
Forum: support.Hardware 14 March 2017, 17:02
Replies: 10
Views: 1,260
Posted By Shadowfire
So... there's current-limiting resistors...

So... there's current-limiting resistors everywhere?
Forum: request.UAE Wishlist 05 March 2017, 15:45
Replies: 69
Views: 15,926
Posted By Shadowfire
Aha! Thanks for that insight, it wouldn't have...

Aha! Thanks for that insight, it wouldn't have applied to the IDE accelerator design (as it doesn't have any sort of bus interface other than an SRAM <> 68000 block, and didn't have the CPLD between...
Forum: request.UAE Wishlist 27 February 2017, 04:54
Replies: 69
Views: 15,926
Posted By Shadowfire
Perhaps I'm missing something here, Tony, but I'm...

Perhaps I'm missing something here, Tony, but I'm interpreting this as you wish that the Vampire used the Amiga's autoconfig protocol.

On an A500/A600, the _CONFIG line on the expansion slot is...
Forum: support.Hardware 21 February 2017, 01:27
Replies: 16
Views: 2,029
Posted By Shadowfire
The transfer speed of the older SSD drives...

The transfer speed of the older SSD drives (pre-Intel era) can be downtright pitiful, especially on writes. The Kingston SSDNOW v300 boasts transfer rates of up to 500MB/second (and as a last gen...
Forum: New to Emulation or Amiga scene 07 February 2017, 05:23
Replies: 23
Views: 6,394
Posted By Shadowfire
The A2630 accelerator allows you to turn off the...

The A2630 accelerator allows you to turn off the 68030 by holding down both mouse buttons on powerup, then choosing "68000 on AmigaDOS".
Forum: support.Amix 04 February 2017, 03:05
Replies: 4
Views: 4,255
Posted By Shadowfire
The DMI resolver came with a copy of the SAGE...

The DMI resolver came with a copy of the SAGE driver (SAGE never went anywhere, because it wasn't an actual abstraction layer, and thus offered no benefit for anyone) for AmigaDOS, and a copy of...
Forum: support.Amix 04 February 2017, 02:46
Replies: 45
Views: 15,841
Posted By Shadowfire
The earliest A3000's ALL HAD 1.4beta IN ROM. ...

The earliest A3000's ALL HAD 1.4beta IN ROM.
Commodore had not yet re-christened the OS as 2.0.
Later machines had 2.04. 2.04 machines do not have superkickstart menus and cannot boot alternate...
Forum: Hardware mods 22 January 2017, 23:29
Replies: 14
Views: 2,867
Posted By Shadowfire
Green screen = Apparent chip RAM problem. By the...

Green screen = Apparent chip RAM problem. By the time the CPU gets around to making the screen green (which happens if the Chip memory test fails), you're pretty much assured that the 68000 and...
Forum: support.Hardware 22 January 2017, 22:29
Replies: 10
Views: 1,177
Posted By Shadowfire
You appear to be having a memory corruption...

You appear to be having a memory corruption problem.
Possible culprits (in order of likelihood)
1. Low voltage on the 5V rail (check from GND to VCC at memory IC's, shouldn't be below 4.75V).
2....
Forum: Amiga scene 21 January 2017, 21:16
Replies: 693
Views: 90,091
Posted By Shadowfire
"VBR" stands for Vector Base Register. The...

"VBR" stands for Vector Base Register. The 68000 originally had its exception address vector pointers hard coded in zero-page memory ($0000xxxx) [If an IRQ came in, the 68000 would change to...
Forum: support.Hardware 14 January 2017, 01:45
Replies: 17
Views: 1,291
Posted By Shadowfire
PCB's, it's whats for dinner.

PCB's, it's whats for dinner.
Forum: support.Hardware 10 January 2017, 03:04
Replies: 21
Views: 2,090
Posted By Shadowfire
When tantalum capacitors first came out, people...

When tantalum capacitors first came out, people were unaware of how current surges impacted their lifespan. This was back before it became common practice to put clamping diodes on power rails; as a...
Forum: Retrogaming General Discussion 06 January 2017, 01:59
Replies: 55
Views: 5,186
Posted By Shadowfire
Haha, let's grab that one by the horns. The...

Haha, let's grab that one by the horns.

The 68000 has a 32-bit software model. That is, most instructions can take 32-bit operands and perform 32-bit calculations, and there is usually (*...
Forum: support.Hardware 03 January 2017, 19:55
Replies: 27
Views: 1,635
Posted By Shadowfire
For playing floppy disk/(Gotek) games, you will...

For playing floppy disk/(Gotek) games, you will have compatibility issues if you upgrade from 1.3.
Forum: Hardware mods 03 January 2017, 19:15
Replies: 14
Views: 1,877
Posted By Shadowfire
-> USB stick needs to be formatted as FAT32 ->...

-> USB stick needs to be formatted as FAT32
-> SELECTOR.ADF needs to be at the root (top) of the USB stick
-> SELECTOR.ADF will be image #000 which will allow you to choose another file for another...
Forum: support.Hardware 16 December 2016, 04:00
Replies: 124
Views: 18,571
Posted By Shadowfire
Just a few notes from back when I was doing...

Just a few notes from back when I was doing testing of IDE drives.
1. The cheapo IDE -> SATA adapter cards use microcontrollers, not state machines, to perform bus translation. There is always a...
Forum: support.Hardware 08 December 2016, 01:56
Replies: 4
Views: 539
Posted By Shadowfire
The eject button on the CDTV is a purely...

The eject button on the CDTV is a purely mechanical device. Schematics won't help. Also, the CDTV won't autoplay CD's unless you're on the CDTV splash screen when you put it in.
Forum: Nostalgia & memories 26 November 2016, 07:11
Replies: 1,722
Views: 216,655
Posted By Shadowfire
It would depend on the accelerator. If it isn't...

It would depend on the accelerator. If it isn't running synchronously to the A1200's internal clocks, then they need to perform clock domain crossing, which typically adds wait states.
Forum: support.Hardware 18 October 2016, 13:45
Replies: 12
Views: 987
Posted By Shadowfire
Hate to break this to you, but rosin-based flux...

Hate to break this to you, but rosin-based flux IS a "no clean" flux.
The low solids no-clean fluxes don't leave a residue like rosin, but they evaporate very quickly when heat is applies, and I...
Forum: support.Hardware 10 September 2016, 01:13
Replies: 8
Views: 529
Posted By Shadowfire
Instant zzzap! or it zapped you until you let go?...

Instant zzzap! or it zapped you until you let go?

If the latter -> the power supply should be checked out by someone competent with electronics.
Forum: support.Hardware 27 August 2016, 05:51
Replies: 45
Views: 3,176
Posted By Shadowfire
Must be a troll, doubling down on the ignorance.

Must be a troll, doubling down on the ignorance.
Forum: support.Hardware 26 August 2016, 03:07
Replies: 45
Views: 3,176
Posted By Shadowfire
As was said before, the shields are an FCC thing....

As was said before, the shields are an FCC thing. They act as a faraday cage and stop EMI generated on the motherboard from escaping into the environment.

The shields aren't required for the...
Forum: support.Hardware 25 June 2016, 01:22
Replies: 11
Views: 1,334
Posted By Shadowfire
Who knows? The 68060 was only produced @ 50, 60,...

Who knows? The 68060 was only produced @ 50, 60, 66, and 75Mhz.
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