HN440 USER’S GUIDE
1 2 O v e r v i e w
Motherboard block diagram
AGP CONN.
PL10
HN440 Block Diagram v2.0
CLK Synth.
ICS9148-10
IC10
PCI BUS
BIOS, U1
BIOS, U1
Dual USB, PL28
AGP BUS
SYSTEM BUS
C P U
SLOT1
IC18
MEM BUS
CLK BUFF.
ICS9179-12
IC12
CLK BUFF.
ICS9179-12
IC12
CORE CHIPSET
443BX/ZX
IC13
DIMM Module
S D R A M
MM1-3
Telephony, PL22
Parallel Port, PL27
Floppy, PL3
COM1, PL27
COM2, PL27
Super I/O
FDC37C677
IC25
AUDIO CODEC
SOLO1
IC23
Line In 2, PL21
CD In, PL20
Line In 1, PL26
Mic In, PL26
ISA BUS
Midi/Joys, PL26
Line Out, PL26
Heceta II
IC17
Mouse, PL29
Keyboard, PL29
ISA SLOT
PL12,13
PCI-ISA BRIDGE
PIIX4E
IC9
PCI SLOT
PL16-19
Prim. IDE, PL4
Sec. IDE, PL7