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1.5.4 DMA Channel Map
Table 1- 10
DMA Channel Map
Controller
1
1
1
1
2
2
2
2
1.5.5 GPIO Port Definition Map
Table 1- 11
GPIO Port Definition Map
GPIO
V1-LS GPIO Pin Assignment
PC0
(VS5_CLKEN)
PC1
(VS5_SUSPEND#)
PC2
(VS5_SPKOFF)
PC3
(VS5_VDCLKEN)
PC4
(VS5_VDPD)
PC5
(VGADIS)
GP0/LED0
(VS5_FLASHRCY)
GP1/LD1/SUSPA#
(VS5_ZZ)
GP2/DDMA_RETRY
(VS5_DDMARETRY)
GP3/SUPPRESS_RESUME
(VS5_COM4_COM3#)
GP4/UNDOCKING
(VS5_FLSHVPP)
GP5/THRM
(SM5_OVTMP)
REQ2#
(PC3_DKREQ#)
Channel
0
1
2
3
4
5
6
7
I/O
Description
O
1: Enable the clock source
O
Suspend control (reserved)
O
1: Turn off the speaker
O
1: Video clock enable
O
1: Power down the video controller (in suspend mode)
I
0: Disable VGA controller from PCI
I
1: Flash ROM recover
O
Cache sleep
O
DDMA (distributed DMA retry). V3-LS activates this pin to retry
V1-LS
O
Modem I/O address. 1=2E8h, 0=3E8h.
O
1: Flash ROM Vpp Control
I
1: over temperature alarm from SMC.
I
0: Dock/undock request, used to tri-state PCI bus before
dock/undock.
Address
0087
0083
0081
0082
Cascade
008B
0089
008A
Function
Audio (default)
Audio (option) / ECP
Diskette
Audio (option)
Cascade
Spare
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