P4LA Users 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