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P4LA User’s Manual Hardware Setup
Enhanced IDE Interface 19
2.6 <Enhanced IDE interface>
The Intel® ICH7R (south bridge chip) supports one enhanced IDE interface, dual channel
for two ATAPI devices with ATA100. Based on this function, P4LA has one 40-pin IDE
connector with jumper selectable for pin-20 +5V supported.
The board supports 32-pin
DiskOnChip 2000 . The onboard 32-pin socket, DOC, supports
DiskOnChip2000 single chip flash disk in 32-pin DIP JEDEC with jumper selectable address
on jumper JDOC.
IDE1
JDOC
DOC
Jumper: JDOC
3
1
Type: onboard 3-pin header
JDOC
JDOC DiskOnChip Address
1-2 D800h
2-3 D000h
Default setting
Jumper: JCFSEL
3
1
JCFSEL
Type: onboard 3-pin header
JCFSEL Compact Flash Address Setting
1-2 Master
2-3 Slave
Default setting