82801BA Datasheet, PDF (460/498 Pages) Intel Corporation – Intel 82801BA I/O Controller Hub 2 (ICH2) and Intel 82801BAM I/O Controller Hub 2 Mobile

Electrical Characteristics
Figure 16-8. IDE Multiword DMA
CLK66
t67
DDREQ[1:0]
DDACK[1:0]
t65
t60
DIOx#
DD[15:0] Read
DD[15:0] Write
t61
t75
t76
t70 t71
Read Data
t69
t69
Write Data
Figure 16-9. Ultra ATA Mode (Drive Initiating a Burst Read)
DMARQ (drive)
t91
DMACK# (host)
STOP (host)
DMARDY# (host)
t89
t89
STROBE (drive)
DD[15:0]
DA[2:0], CS[1:0]
t68
Read Data
Write Data
id d
d
16-20
82801BA ICH2 and 82801BAM ICH2-M Datasheet