Changeset 564 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Device/IDE/IdeDPT.asm

Timestamp:

Jul 30, 2013, 2:06:45 PM (11 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• If Advanced controller needs to limit PIO mode (Vision QD6500), cycle time is now limited as well => QD6500 now works with fast drives.

File:

• trunk/XTIDE_Universal_BIOS/Src/Device/IDE/IdeDPT.asm (modified) (1 diff)

trunk/XTIDE_Universal_BIOS/Src/Device/IDE/IdeDPT.asm

@@ -119 +119 @@
     ; Use highest common PIO mode from controller and drive.
     ; Many VLB controllers support PIO modes up to 2.
-    call    AdvAtaInit_GetControllerMaxPioModeToAL
+    call    AdvAtaInit_GetControllerMaxPioModeToALandMinPioCycleTimeToBX
     jnc     SHORT .ChangeTo32bitDevice
+
     and     BYTE [di+DPT.bFlagsHigh], ~FLGH_DPT_IORDY   ; No IORDY supported if need to limit
     MIN_U   [di+DPT_ADVANCED_ATA.bPioMode], al
+    mov     [di+DPT_ADVANCED_ATA.wMinPioCycleTime], bx
 
     ; We have detected 32-bit controller so change Device Type since