mitac 8355.pdf - tim.id.au

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1 - 48MHz, @3.3V fixed. 1 - 24/48MHz @ 3.3V 3 - REF @3.3V, 14.318MHz. Features: Programmable output frequency. Programmable output divider ratios. Programmable output rise/fall time. Programmable output skew.. 8355 N/B MAINTENANCE Programmable spread percentage for EMI control. Watchdog timer technology to reset system if system malfunctions. Programmable watch dog safe frequency. Support I2C Index read/write and block read/write operations. Uses external 14.318MHz crystal. Supports Hyper Transport Technology (HTTCLK). 11
1.2.3 VIA K8T800+VT8235 1.2.3.1 K8T800 8355 N/B MAINTENANCE The K8T800 is a high performance, cost-effective and energy efficient solution for the implementation of desktop personal computer systems with 8 / 16-bit 800 / 600 / 400 / 200 MHz HyperTransport. CPU host interface based on AMD K8 / ClawHammer. processors. Defines Highly Integrated Solutions for Performance PC Desktop Designs High performance North Bridge with HyperTransport. interface to AMD. K8 CPU plus AGP 8x external bus to external Graphics Controller plus high-speed V-Link interface to chipset South Bridge Combines with VIA K8T400M V-Link South Bridge for integrated LAN, Audio, ATA133 IDE, and 6 USB 2.0 ports 578 Ball Grid Array package with 35 x 35 mm body size, 1.27mm ball pitch, and heat spreader 2.5V core, 0.22 u process High Performance K8 CPU Interface Chipset support for AMD. K8 / ClawHammer. processor Processor interface via HyperTransport. bus Separate transmit and receive buses for no lost bus turnaround cycles All transmit and receive signals use 2 pin low-voltage-swing differential signalling for high-reliability and high speed 12
Page 1 and 2: SERVICE SERVICE MANUAL MANUAL FOR F
Page 3 and 4: Contents 8355 N/B MAINTENANCE 5.3 V
Page 5 and 6: 1.1 Introduction 8355 N/B MAINTENAN
Page 7 and 8: 1.2 System Hardware Part 8355 N/B M
Page 9 and 10: 8355 N/B MAINTENANCE HyperTransport
Page 11: 1.2.2 System frequency 8355 N/B MAI
Page 15 and 16: LRU replacement scheme 8355 N/B MAI
Page 17 and 18: 8355 N/B MAINTENANCE f) Notebook-cl
Page 19 and 20: 8355 N/B MAINTENANCE SMOOTHVISION
Page 21 and 22: 1.2.4.1 General and Interfacing Fea
Page 23 and 24: 8355 N/B MAINTENANCE DDC1 and DDC2c
Page 25 and 26: +30dB boost preamplifier for MIC in
Page 27 and 28: Operating System Compatibility Wind
Page 29 and 30: 8355 N/B MAINTENANCE 1200/75bps (V.
Page 31 and 32: Transmit Level >-15 dBm 8355 N/B MA
Page 33 and 34: Arbitrated short reset Enhanced pri
Page 35 and 36: Instruction length: 2 or 4 bytes 83
Page 37 and 38: Interrupts - 8355 N/B MAINTENANCE 9
Page 39 and 40: 1.2.9 System Flash Memory (BIOS) 2
Page 41 and 42: Dual Speed - 100 / 10 Mbps Half and
Page 43 and 44: Secure Digital Interface 8355 N/B M
Page 45 and 46: Supports SUSPEND# Supports PCI PME#
Page 47 and 48: PPM for external FDD signal support
Page 49 and 50: 8355 N/B MAINTENANCE 1.3.2 Power ON
Page 51 and 52: 1.3.6 CMOS Battery CR2032 3V 220mAh
Page 53 and 54: 1.4 Peripheral Components ROM Drive
Page 55 and 56: HDD: spin down Suspend to DRAM 8355
Page 57 and 58: 8355 N/B MAINTENANCE 1.6 Appendix 1
Page 59 and 60: 1.7 Appendix 2: H8 Pins Definition
Page 61 and 62: Continued to the previous table Por
Page 63 and 64:
Continued to the previous table Por
Page 65 and 66:
Continued to the previous table Ind
Page 67 and 68:
2. System View and Disassembly 2.1
Page 69 and 70:
2.1.5 Bottom View 1 2 CPU Cover Har
Page 71 and 72:
NOTEBOOK 8355 N/B MAINTENANCE Modul
Page 73 and 74:
2.2.2 Keyboard Disassembly 8355 N/B
Page 75 and 76:
8355 N/B MAINTENANCE 5. Disconnect
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8355 N/B MAINTENANCE 5. Disconnect
Page 79 and 80:
8355 N/B MAINTENANCE 5. Unscrew two
Page 81 and 82:
2.2.6 SO-DIMM Disassembly 8355 N/B
Page 83 and 84:
8355 N/B MAINTENANCE 6. Then remove
Page 85 and 86:
2.2.8 Inverter Board Disassembly 83
Page 87 and 88:
2.2.9 LCD Panel Disassembly 8355 N/
Page 89 and 90:
2.2.10 System Board Disassembly 835
Page 91 and 92:
8355 N/B MAINTENANCE 8. Unscrew one
Page 93 and 94:
2.2.11 Modem Card Disassembly Reass
Page 95 and 96:
Reassembly 8355 N/B MAINTENANCE 1.
Page 97 and 98:
8355 N/B MAINTENANCE 3. Definition
Page 99 and 100:
8355 N/B MAINTENANCE 4. Definition
Page 101 and 102:
DDR SDRAM Memory Interface Signal N
Page 103 and 104:
8355 N/B MAINTENANCE 5.2 K8T800M(VT
Page 105 and 106:
AGP Bus Interface (Continued) Signa
Page 107 and 108:
5.3 VT8235 South Bridge-1 V-Link In
Page 109 and 110:
5.3 VT8235 South Bridge-3 PCI Bus I
Page 111 and 112:
UltraDMA-133 /100 /66 /33 Enhanced
Page 113 and 114:
Power Management and Event Detectio
Page 115 and 116:
5.3 VT8235 South Bridge-9 Power and
Page 117 and 118:
7. Maintenance Diagnostics 7.1 Intr
Page 119 and 120:
7.2 Error Codes Code 30h 31h 32h 33
Page 121 and 122:
7.3.2 Diagnostic Tool for PIO Port
Page 123 and 124:
P30 Power In PJ501 PL1 PL2 PL3 PF1
Page 125 and 126:
Power In +VMAIN_2951 F503 FUSE_1206
Page 127 and 128:
P23 U511 H8/F3437 11 16 8355 N/B MA
Page 129 and 130:
P2 P5 P7 P20 8.3 No Display U503 AM
Page 131 and 132:
8.3 No Display (System Failure) ALL
Page 133 and 134:
U506 8355 N/B MAINTENANCE 8.4 AGP C
Page 135 and 136:
8.5 External Monitor No Display 835
Page 137 and 138:
8.6 Memory Test Error P2 8355 N/B M
Page 139 and 140:
P22 U509 Super I/O PC87393 73 R216
Page 141 and 142:
P13 8355 N/B MAINTENANCE 8.8 Hard D
Page 143 and 144:
P13 1 2 8355 N/B MAINTENANCE 8.9 CD
Page 145 and 146:
8.10 USB Test Error (1) P12 8355 N/
Page 147 and 148:
8.10 USB Test Error USB Test Error
Page 149 and 150:
8.11 PC-Card Socket Failure PC Card
Page 151 and 152:
8.12 Memory-Card Socket Failure Mem
Page 153 and 154:
8.13 IEEE1394 Test Error 1394 Test
Page 155 and 156:
8.14 LAN Test Error LAN Test Error
Page 157 and 158:
P13 U20 South Bridge VT8235 8.15 Au
Page 159 and 160:
9. Spare Part List-1 Part Number De
Page 161 and 162:
Page 163 and 164:
Page 165 and 166:
Page 167 and 168:
Page 169 and 170:
9. Spare Part List-11 Part Number D
Page 171 and 172:
9. Spare Part List-13 Part Number D
Page 175 and 176:
5 COVER SHEET & SCREW HOLE ClawHamm
Page 177 and 178:
5 5 1 2 4 4 ClawHammer-Power plane(
Page 179 and 180:
1 2 1 2 5 5 1 2 1 2 GND 4 1 2 4 1 2
Page 181 and 182:
5 5 4 4 ATI M10-P(1/4) 3 AGP_VDDQ +
Page 183 and 184:
5 4 ATI M10-P(3/4) 3 D C MEMA_MD0 M
Page 185 and 186:
+5V 5 CRTGND TV CONNECTOR 5 GND GND
Page 187 and 188:
15 HD_PDD[0..15] 5 HD_PDD[0..15] 15
Page 189 and 190:
5 5 4 4 3 3 2 2 1 1 D D C C B B A A
Page 191 and 192:
MINI-PCI AD21 PCI_INTD# REQ2#/GNT2#
Page 193 and 194:
GND 5 GND R105 0603 1 2 0/NA 5 Q11
Page 195 and 196:
5 5 4 4 AUDIO AMPLIFIER - TPA0202 3
Page 197 and 198:
1 2 3 1 A K 1 2 1 2 1 2 5 1 2 1 2 1
Page 199 and 200:
5 PCI PULL HIGH SB X-BUS PULL HIGH
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5 5 4 4 3 3 2 2 1 1 D D C C B B A A
Page 203 and 204:
5 5 4 4 FOR M10 +1.2V&+1.0V 3 D D 2
Page 205 and 206:
5 5 4 4 3 3 2 2 1 1 D D C C B B A A
Page 207 and 208:
Reference Material AMD Athlon TM 6
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