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5 4 3 2 1
RS485M-M
1 Cover Page
BASED ON RES485-M VER:A
2 Block Diagram PCB:244mm*244mm
3 Clock Generator
Rev : 1.0
L2:PWR
L3:GND
D 4 Power (CPU Vcore),
Intersil 6566(DCR Sense) D
5 Power A(DC to DC) VER:B ->C
1. FIX V_DIMM & GND SHORT BY THERMAL PAD IN LAYER3.
6 Power B(DC to DC),PWR sequence&good 2. ADD D22...........................................................................P6
3. ADD C525............................................................ ..............P24
7 K8 - M2 CPU (HT) D VER:C ->D
1. ADD R609,R610, CHANGE R554/R555 value.............................................P3
8 K8 - M2 CPU (MEM) A 2. DEL U8,R586~R590. ADD R653~R655...................................................P7
3. CHANGE CODEC CIRCUIT TO STANDARD 655/883 CO LAY.. ...........................P21,P32
4. ADD TPM CIRCUIT..........................................................P21,P24,P26
9 K8 - M2 CPU (CTRL) B,C 5. ADD IR1 & R656................................................. .................P24
6. CHANGE CPU & SYS FAN TO 3/4 pin CO LAY.......................................P24,P29
7. ADD Q62 FOR MSG LED................................................ .............P29
10 K8 - M2 CPU (POWER,GND) E,F,G,H 8. ADD 6307/6308P CO LAY CIRCUIT................................ ...................P31
9. ADD 655/833 CO LAY CIRCUIT.................................... ...............P32,P33
11 NB - RS485(HT LINK0 IF) A RS485-M940 VER:D ->RS485M-M VER:1.0
1. CHANGE AC97_OSCIN TO U6 PIN 54................... ................................P3
12 NB - RS485 (PCI-E LINK I/F) B 2. ADD C550 FOR EMI................................................ ..................P3
3. ADD Q67 & R678 FOR PWM UPDATE.....................................................P4
4. ADD C547................................................................. ........P6
13 NB - RS485 (SYSTEM I/F) C 5. ADD R668~R673 FOR ATi UPDATE......................................................P7
6. ADD C552 FOR EMI............................................. ...................P14
7. ADD C554~C556 FOR EMI...................................... .....................P20
C
14 NB - RS485 (POWER & GND) D,E 8. ADD SR4 & SR5 FOR ATi UPDATE.....................................................P21
C
9. ADD C553 FOR EMI & IR1........................................ ...................P24
10. DEL C546 & FB11................................................ .................P27
15 DIMM1 & DIMM2(Dual Channel) 11. ADD F8............................................................ .............P27
12. DEL 6308'S PME PIN FOR VIA UPDATE...............................................P31
13. ADD AUXIN ........................................................ .............P32
16 DIMM3 & DIMM4(Dual Channel)
17 DDR2 DIMMS POWER
18 DDR2 TERMINATION
19 PCI Express Slot x16 & x1
20 SB - ATI SB460/600(PCIE, PCI, CPU, LPC)
21 SB - ATI SB460/600(APIC, GPIO, AUDIO, USB)
22 SB - ATI SB460/600(SATA, IDE,HWM,SPI)
23 SB - ATI SB460/600(STRAPS, PWR, DECOUPLING)
B B
24 LPC SIO-ITE8712F/IX, LPC ROM
Voltage Adjustment
25 PCI 1, PCI2 IDE Cable detect
-P66DET SB: GPIO9 VCC18 SIO_GPO20
26 PCI Extender & VGA SIO_GPO21
27 USB, IDE
28 COM, LPT
LED Blinking
G_LED1 SIO:GP10(PIN84) PCI Bus Resource
29 Front Panel, FAN G_LED2 SIO:GP53(PIN77) PCI1 AD16 INT E,FGH REQ0
30 LAN (RTL8100SB/8100C) PCI2 AD17 INT F,GHE REQ1
Other AD21 INT G REQ3
LAN
31 1394:VT6307/6308 BIOS_WP SIO:GP41(PIN28)
1394 AD24 INT H REQ4
WT_BEEP SIO:GP16(PIN29)
32 AUDIO ALC883/655 (CHIP) SIO_S4S5 SIO:GP40(PIN79)
33 AUDIO ALC883/655 (PANEL) GPO_1394 SIO:GP31
A GPO_LAN SIO:GP30 A
34 POWER DELIVERY CHART
35 CLOCK DISTRIBUTION
Elitegroup Computer Systems
Title
Cover Page
Size Document Number Rev
Custom 1.0
RS485M-M
Date: Friday, April 07, 2006 Sheet 1 of 35
5 4 3 2 1
5 4 3 2 1
DDR2 400,533,667
Unbuffered DDR2 Unbuffered DDR2
AMD-K8 K8 POWER UP SEQUENCE
High Side*2 TO-252 64bit DIMM1 DIMM3
PWM Intersil AMD DESIGN GUIDE
Low Side*2 TO-252 ISL6566CR(DCR sense)
M2 RX480
Dual Channel
1.-PS_ON 1.-PS_ON
mPGA-940 DDR2 400,533,667
Unbuffered DDR2 Unbuffered DDR2
2.V_DIMM 2.VDDIO(V_DIMM)
Clock Generator
64bit DIMM2 DIMM4 DDRVTT VTT(DDRVTT)
D D
ICS 951416 HyperTransport 3.VCC25A 3.VDDA(VCC25A)
OUT FIRST LOGICAL DIMM SECOND LOGICAL DIMM
LINK0 IN
16x16 4.VCORE 4.VDD(VCORE)
5.VCC12 5.VLDT(VCC12)
6.PWROK
NB:ATI RS485
HT LINK0 CPU I/F
PCIE X 16 PCIE 16X
Integrated Graphics
1 16X PCIE VIDEO I/F
1 2X PCIE I/F with SB V_DIMM
DDRVTT
4 1X PCIE I/F
VCC25A
VCORE
VCC12
2X/4X ALINK
C C
460 :*8 SB:ATI SB460/600
USB 2.0
600 :*10 ATA66/100/133 IDE*1
USB2.0*10
SATA*4
AC97 2.3 & Azalia
AUDIO CODEC
HD I/F ATA 66/100/133 Serial ATA
ALC883 SATA*4
ACPI 2.0
RAID 0, 1, 0+1
LPC 1.1 Layout width/space
PCI BUS MII PCB 2116
NB RX480 USB(45/90) 20/8/8/8/20 (47/87)
PCI/PCI Bridge
VDDHT VCC1.2 0.5A 20/8/8/8/20 layout(47/87)
PCI-E CORE&VCO VCC1.2 2.25A LAN(50/100) 20/8/12/8/20 (47/91)
20/8/10/8/20 layout(47/90)
NB CORE NBCORE_1.2V 5A
1394 LAN SATA(50/100) 20/6/6/6/20 (57/98)
PCI*2 DAC Main Power VCC3 0.2A 20/5/7/5/20 layout(62/111)
VT6307 RTL8110S/ LPC BUS
DAC-Q&PLL VCCA1.8 0.1A
RTL8100C DAC Digital Power VDD_1.8A 0.3A PCI-E(50/100) 20/6/6/6/20 (57/98)
20/5/7/5/20 layout(62/111)
B
LVDS VDD_1.8A 0.1A B
1394(55/110) 20/6/9/6/20 (56/105)
BIOS TPM 20/6/9/6/20 layout(56/105)
2 Port 4M
ITE SIO 8712F/IX R.G.B (37.5) 20/9/18/9/18/9/20 ATI DEMO
25/5/25/5/25/5/25 layout
RJ45 Put 75 ohm on NB
(Impedence=37.5 ohm)
KB/
FLOPPY
MOUSE
22U/25DE 5*7 mm 2 D C
100U/16DE 6.3*11 mm D D C 3
220U/10DE 6.3*11 mm
A 470U/16DE 8*11 mm 1 23 E BC ECB A
1000U/10DE 8*14 mm 1 3 G S G S B E 1 2
G S
1500U/16DE 10*25 mm
TO-263 TO-263 TO-252 B C E SOT-23 SOT-23 SOT-23 T0-92 T0-92 T0-92 Elitegroup Computer Systems
3300U/25DE 10*25 mm
B55QS03 2SK3296 20N03 2N7002 2N3904 BAT54C LM431 2N2222A HSD882-D
Title
TM3055TL-S TO-251 SI2303S 2N3906 BAT54S 78L05-D 2N2097A
45N03
FDD6030L HI772(1.4W)
SI2301S MMBT2907A LM432 Block Diagram
(PNP) Size Document Number Rev
Custom 1.0
RS485M-M
Date: Friday, April 07, 2006 Sheet 2 of 35
5 4 3 2 1
5 4 3 2 1
SRC(=PCI-E):Serial Reference Clock
ATIGCLK Divider Selection
VCC3 FB68 VCC3_CK ATIG_Div(3:0) ATIG_Div(3:0)
FB600P-08 (MHz)
1 2 1000 100.00
1 0011 114.29
1
C509 C510 C511 C512 C513 TBD 133.33
C508 TC42 .1U-04 .1U-04 .1U-04 .1U-04 .1U-04 0010 160.00
10U-08 22U/25V
2
2
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