DOS ain't dead

EDDINFO final ver. 1.0 (Announce)

posted by RayeR , CZ, 31.01.2008, 01:10

> (It claims UDMA disabled, but I know for sure that it was enabled).

I don't know why BIOS claims it's disabled, simply the UDMA bit in flags is zeroed. El-cheapo BIOS? :)
On my PC at home I see it's enabled, below...

> UDMA doesn't use the legacy DMA controller. So I doubt this dma channel
> information has much meaning.

Seems as you say. Maybe for PCI card adapter pulled in older board it would tell right.

EDD BIOS/INT13h Extension Info 1.0 (C) 2008 by Martin Rehak; rayer^seznam*cz
Compiled by Borland C++ 4.52 at 04:59:02, Jan 29 2008

EDD version: 3.0
EDD features: Fixed disk access, EDD support
EDD flags: 0000h
Physical drive #0 geometry LBA sectors: 976773168 (500 GB), sector=512 B
Host bus: PCI , Interface type: ATA
Device Path Information: present [OK]
Interface path: PCI bus: 0, device: 31, function block: 2, channel: 0
Device path: master
Device Parameter Table Extension pointer: F000:71A0h
DPTE revision: 1.1 [OK]
DPTE flags: 2897h
Controller I/O base address: 1F0h, control port: 3F6h
IRQ: 14, DMA channel: 8
PIO mode: 4, DMA mode: 0, Ultra DMA: enabled
32-bit transfer mode: enabled, LBA: enabled, LBA48: enabled
ATA read/write multiple command max sectors: 16, enabled
ATAPI: no, uses command packet interrupt: no, nonremovable media
Host Protected Area: inactive

---
DOS gives me freedom to unlimited HW access.

Complete thread:

• EDDINFO final ver. 1.0 - RayeR, 29.01.2008, 18:32 (Announce)
  • EDDINFO final ver. 1.0 - RayeR, 29.01.2008, 18:33
  • EDDINFO final ver. 1.0 - rr, 29.01.2008, 22:29
    • EDDINFO final ver. 1.0 - RayeR, 30.01.2008, 18:53
      • EDDINFO final ver. 1.0 - rr, 30.01.2008, 22:46
        • EDDINFO final ver. 1.0 - RayeR, 30.01.2008, 23:03
      • EDDINFO final ver. 1.0 - Japheth, 30.01.2008, 23:41
        • EDDINFO final ver. 1.0 - RayeR, 31.01.2008, 01:10