User`s manual

DIGITAL-LOGIC AG MPC40/A/B/C, MPC41 Manual V1.4C
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4.11 IO Control Hub Intel-ICH4/ICH4M
Features:
PCI Bus Interface Supports PCI Revision 2.2 Specification at33 MHz
133 MB/sec maximum throughput
Supports up to six master devices on PCI
One PCI REQ/GNT pair can be given higher arbitration priority (intended
for external 1394 host controller)
Support for 44-bit addressing on PCI using DAC protocol
Integrated LAN Controller WfM 2.0 and IEEE 802.3 compliant
LAN Connect Interface (LCI)
10/100 Mbit/sec ethernet support
Integrated IDE Controller Supports “Native Mode” register and interrupts
Independent timing of up to 4 drives, with separate primary and secondary
IDE cable connections
Ultra ATA/100/66/33, BMIDE and PIO modes
Tri-state modes to enable swap bay
USB Includes three UHCI host controllers that support six external ports
New: Includes one EHCI high-speed USB 2.0 Host Controller that supports
all six ports
New: Supports a USB 2.0 high-speed debug port
Supports wake-up from sleeping states S1–S5
Supports legacy keyboard/mouse software
AC-Link for Audio CODECs Supports AC ’97 2.3
New: Third AC_SDATA_IN line for three codec support
New: Independent bus master logic for seven channels (PCM In/Out, Mic 1
input, Mic 2 input, modem in/out, S/PDIF out)
Separate independent PCI functions for audio and modem
Support for up to six channels of PCM audio output (full AC3 decode)
Supports wake-up events
Interrupt Controller Support up to eight PCI interrupt pins
Supports PCI 2.2 message signaled interrupts
Two cascaded 82C59 with 15 interrupts
Integrated I/O APIC capability with 24 interrupts
Supports serial interrupt protocol
Supports processor system bus interrupt delivery
New: 1.5 V operation with 3.3
V I/O
5 V tolerant buffers on IDE, PCI, USB overcurrent and legacy signals
Timers Based on 82C54 System timer, refresh request, speaker tone output