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5 4 3 2 1
INTEL PENTIUM 4 (NORTHWOOD) PROCESSOR WITH GA-8IRXR-A
INTEL 845 (BROOKDALE) CHIPSET
D
SUPPORT 2 NON-ECC & ECC DDR
Revision 1.00 D
INTEL I/O CONTROLLER HUB 2 (ICH2) 01/20/2001
ONBOARD ATI RAGE XL (PCI BUS) SVGA
DUAL INTEL LOM 82550 SERIES (SERVER ADAPTER)
ONBOARD ADAPTEC DUAL CHANNEL ULTRA 160 SCSI
SUPPORT ZERO CHANNEL RAID
( ADAPTEC RAPTOR OR INTEL RAIDIOS )
C
ONBOARD WINBOND IPMI CIRCUIT C
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TITLE PAGE
COVER SHEET 1
BLOCK DIAGRAM 2
WILLIAMATE_478A 3-4-5
MCH-BROOKDALE_DDR 6-7-8
DDR SDRAM TERMINATION 9
DDR1 & 2.5V POWER CIRCUIT 10
DDR2 & VTT_DDR CIRCUIT 11
ICH2 12-13
FWH 14
CY28324 CLOCK GEN 15
B
PCI1_2 16 B
PCI3_4 17
PAL FOR PCI ARBITRATION 18
WINBOND W83627HF LPC I/O 19
FAN CONNECTORS & H/W MONITOR SENSORS 20
IDE CONNECTORS 21
KEYBOARD/ PS2 MOUSE & IR 22
COM_LPT_FDD 23
USB CONNECTORS 24
FPANEL 25
POWER_1 26
POWER_2 27
LAN1 INTEL 82550PM 28 COMPONENT SIDE
Digitally signed by fdsf
(0.5 oz. Copper)
LAN2 INTEL 82550PM 29 VCC SIDE
(1 oz. Copper)
ADAPTEC AIC-7899G 30-33
DN: cn=fdsf, o=fsdfsd,
GND SIDE
(1 oz. Copper)
A A
ZCR SO-DIMM CONNECTOR 34 SOLDER SIDE
ou=ffsdf,
(0.5 oz. Copper)
ONBOARD ATI RAGE XL (PCI) 35-37
WINBOND (IPMI) CIRCUIT 38-40
email=fdfsd@fsdff, c=US GPIO LIST 41
Title
GIGABYTE TECHNOLOGY CORPORATION
Date: 2009.12.15 BOM & PCB MODIFY HISTORY 42
Size Document Number
COVER SHEET
Rev
20:34:24 +07'00' Date:
GA-8IRXR-A
Tuesday, March 05, 2002 Sheet 1 of
1.00
42
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5 4 3 2 1
Intel Pentium IV
SCSI1 SCSI2
Processor/Northwood
Processor (UP) Clock
Gen.
D D
Slave
Main SMBUS
System Bus
3.2GB/s
NON-INSTALLED Slave
Master PC200 DDR SDRAM Module * 2
Intel Brookdale 2GB/s
SCSI BUS MCH
Interface Raptor ZCR
160MB/s 593 FC-BGA IDE Connector * 2 MAIN BIOS
IDE Bus ATA-100 Intel
8-Bit Hub FWH
Adaptec 7899G
22V10
C C
SO_DIMM Connector
16V8
Interface
Dual Ultra3 SCSI 266MB/s
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Front Side IPMI BIOS
388 BGA USB
Intel 82801BA
Back Panel USB 1M
PCI 32BIT BUS 133MB/s ICH2
360 eBGA MASTER AOL SMBUS
EMP Connector
Main SMBUS
ATI Rage XL Intel Intel Winbond W83910F
LPC Interface ICMB Connector
82550PM 82550PM BMC (IPMI)
VGA Slave Slave
P1 SMBUS ICH SMBUS
B
Master 128 PQFP B
BGA
AOL SMBUS Slave 32Kx8 SRAM
Winbond W83627HF
IPMB SMBUS
Super I/O P1 SMBUS
8MB SDRAM
128 PQFP Chassis FAN *3
P2 SMBUS
RJ45 RJ45
LAN2 LAN1
PCI4 PCI3 PCI2 PCI1 Hardware Monitor Circuit
Voltage: VCC285A, VCC285B, VDDQ,
CPU 3VDUAL, VBAT, 5VDUAL, VCC
FAN
Power Hardware Monitor Circuit
A
SUPPORT RAID CIRCUIT FAN Voltage: Vcore, Vcc18, Vcc3, +12V, -12V A
FOR INTEL RAIDIOS COM1 COM2 Temp. Sensor: CPU, System *2
VGA GIGABYTE TECHNOLOGY CORPORATION
Connector Title
Keyboard Floppy BLOCK_DIAGRAM
& Mouse Printer Port IR/CIR Connector Size Document Number Rev
1.00
GA-8IRXR-A
Date: Tuesday, March 05, 2002 Sheet 2 of 42
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VCORE
VCORE VCORE
2 R403 1 47/6 TESTHI8_10
2 R314 1 220/6 BR0-
1
1
1
1
1
1
1
1
2 R230 1 47/6 CPURST-
C209 C202 C195 C185 C184 C194 C201 C208
10U/12 10U/12 10U/12 10U/12 10U/12 10U/12 10U/12 10U/12
VCC18
2
2
2
2
2
2
2
2
D 2 R353 1 220/6 IERR- D
VCORE
AD11
AD19
AC18
AC16
AC14
AC12
AC10
AD17
AD15
AD13
AE18
AE16
AE14
AE12
AE10
AE20
AB15
AB13
AB11
AB19
AD9
AD7
AC8
AE8
AE6
AB9
AB7
E14
E12
E10
E20
E8
CPUA
HA[3..16]
{6} HA[3..16]
VCORE1
VCORE2
VCORE3
VCORE4
VCORE5
VCORE6
VCORE7
VCORE8
VCORE9
VCORE10
VCORE11
VCORE12
VCORE13
VCORE14
VCORE15
VCORE16
VCORE17
VCORE18
VCORE19
VCORE20
VCORE21
VCORE22
VCORE23
VCORE24
VCORE25
VCORE26
VCORE27
VCORE28
VCORE29
VCORE30
VCORE31
VCORE32
VCORE
HA16 N5
HA15 A16
N4 A15
HA14 N2 G1 HADS-
A14 ADS HADS- {6}
HA13 M1 AC1
HA12 A13 AP0
N1 A12 AP1 V5
HA11 M4 AA3 2 R330 1 39/6/X
HA10 A11 BINIT BNR-
M3 A10 BNR G2 BNR- {6}
HA9 L2
HA8 A9
M6 A8 DP3 L25
HA7 L3 K26
HA6 A7 DP2
K1 A6 DP1 K25
HA5 L6 J26
HA4 A5 DP0
K4 A4
HA3 K2 U6
HADSTB0- A3 TESTHI8
{6} HADSTB0- L5 ADSTB0 TESTHI9 W4
C HREQ4- H3 Y3 TESTHI8_10 C
{6} HREQ4- REQ4 TESTHI10
HREQ3- J3 H6 BR0-
{6} HREQ3- REQ3 BR0 BR0- {6}
HREQ2- J4
{6} HREQ2- REQ2
HREQ1- K5 D2 BPRI-
{6} HREQ1- REQ1 BPRI BPRI- {6}
HREQ0- J1
{6} HREQ0- REQ0
Pentium 4 (478 pin) H5 DBSY-
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DBSY DBSY- {6}
AB1 E2 DEFER-
A35 DEFER DEFER- {6}
Y1 H2 DRDY-
A34 DRDY DRDY- {6}
HA[17..31] W2 F3 HIT-
{6} HA[17..31] A33 HIT HIT- {6}
V3 E3 HITM-
A32 HITM HITM- {6}
HA31 U4
HA30 A31 IERR-
T5 A30 IERR AC3
HA29 W1
HA28 A29 HINIT-
R6 A28 INIT W5 HINIT- {12,14}
HA27 V2 A27
1
HA26 T4 G4 HLOCK-
A26 LOCK HLOCK- {6}
HA25 U3 C227
HA24 A25 0.01U/6/X
P6 A24 MCERR V6
HA23 U1
2
HA22 A23 CPURST-
T2 A22 RESET# AB25 CPURST- {4,6}
HA21 R3 F4 RS2-
A21 RS2 RS2- {6}
1
HA20 P4 G5 RS1-
A20 RS1 RS1- {6}
HA19 P3 F1 RS0- C143
A19 RS0 RS0- {6}
HA18 R2 AB2 0.01U/6/X
HA17 A18 RSP HTRDY-
T1 J6
2
A17 TRDY HTRDY- {6}
HADSTB1- R5
{6} HADSTB1- ADSTB1
AD1 GND10
AD23GND11
AD21GND12
AE17GND13
AE15GND14
AE13GND15
AE11GND16
AE9 GND17
AE26GND18
AB20GND19
AC17GND20
AC15GND21
AC13GND22
AC11GND23
AC9 GND24
AC7 GND25
AC5 GND26
AC2 GND27
AC25GND28
AC22GND29
AC19GND30
AD18GND31
AD16GND32
AA4 GND33
AA1 GND34
AA23GND35
AA19GND36
AB18GND37
AB16GND38
AB14GND39
AB12GND40
AB10GND41
AB8 GND42
AB6 GND43
AB3 GND44
AB24GND45
AB21GND46
V4 GND47
V1 GND48
V23 GND49
W6 GND50
W3 GND51
W24 GND52
W21 GND53
Y5 GND54
Y2 GND55
Y25 GND56
Y22 GND57
AA17GND58
AA15GND59
AA13GND60
AE7 GND1
AE24GND2
AE22GND3
AE19GND4
AD14GND5
AD12GND6
AD10GND7
AD8 GND8
AD4 GND9
B B
WMT478_10
VCORE VCORE VCORE
GPA06 {38,40}
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
C176 C181 C190 C200 C206 C213 C219 C175 C180 C189 C199 C205 C212 C218 C161 Q33
10U/12 10U/12 10U/12 10U/12 10U/12 10U/12 10U/12 10U/12 10U/12 10U/12 10U/12 10U/12 10U/12 10U/12 10U/12 MMBT2222A
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2 SOT23
2
1
{4,6} CPURST- 2 R231 1 1K/6 IERR-
A A
VCORE VCORE VCORE
For IPMI CPU Internal Error Detection
1
1
1
1
1
1
1
1
1
1