From: RayBryan (raycomp_at_visi.com)
Date: 2007-01-11 16:04:42
On Jan 10, 2007, at 10:02 PM, Cameron Kaiser wrote:
>>>> I've got an Indus GT floppy drive for C64...
>>
>>> One of the interesting things about this drive is that there's
>>> another
>>> ROM that you can address as drive 1: to load utility programs
>>> from. A
>>> clever idea!
>>
>> That's a wild idea. I didn't know they could do that. Is the data
>> for "1:" entwined with the drive's normal firmware, or is it in, say,
>> a separate ROM that could be changed?
>
> Good question, never cracked the drive to find out. It's advertised
> as a
> "ROM drive" in the manual, but that doesn't mean anything.
Eproms on the Indus board - 2) Intel2764 U17,U18 each rev1.1; 1 AMD
am2764 U19 V1.1 - there is a static RAM SY2128L-4 (is that a 32K? -
2x128 bits? that would be huge compared to 1541 with 2K of Ram)
The board has 2) SY6522s and a SYU6502 and bunch of logic ics. There
are 2 chips 4114R-001
-331
*B c8618
Yellow plastic package 14 pin dip - I do not recognize these
--Ray
------------------------------------------------------------------------
---
|Raymond C. Bryan 651-642-9890 vox | The battle is sometimes to
the |
|Raymond Computer 651-642-9891 fax | small for the bigger they
are |
|795 Raymond Ave - email raycomp | the harder they
fall. |
|St Paul MN 55114 at_visi_dot_com | -- James Thurber
-- |
|USA Amiga - Commodore
| |
| http://www.raycomp.com
| |
------------------------------------------------------------------------
---
Message was sent through the cbm-hackers mailing list
Archive generated by hypermail pre-2.1.8.