8 7 6 IT8888 5 4 3 2 1 ISA Slot D D Sh1.sch SH1 Sh2.sch SH2 PCI Bus Sh3.sch SH3 C C B B Preliminary For Reference Only A |LINK |SH1.SCH |SH2.SCH |SH3.SCH A ITE, Inc. Title IT8888 ** Suject to Change Without Notice 8 7 6 5 4 3 Size B Document Number IT8888-090998 Date: Monday, February 08, 1999 2 Rev 0.2 Sheet 0 of 1 0 7 6 VCC 1 22 130 146 PAR PERR# SERR# PAR PERR# SERR# IREQ# IGNT# PPDREQ# PPDGNT# PCICLK PCIRST# C/BE#[0..3] C AD[0..31] R25 50K SERIRQ R26 50K IGNT# R27 50K PPDGNT# B 3 4 5 7 8 151 6 11 9 10 IREQ# IGNT# 139 138 PPDREQ# PPDGNT# 132 131 PCLCLK PCIRST# 137 135 C/BE#0 C/BE#1 C/BE#2 C/BE#3 23 12 2 150 AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 AD8 AD9 AD10 AD11 AD12 AD13 AD14 AD15 AD16 AD17 AD18 AD19 AD20 AD21 AD22 AD23 AD24 AD25 AD26 AD27 AD28 AD29 AD30 AD31 32 31 30 29 27 26 25 24 21 20 19 17 16 15 14 13 159 158 157 156 155 154 153 152 149 147 145 144 143 142 141 140 VCC_5V VCC_5V VCC_5V VCC_5V AD[0..31] NOGO/CLKRUN# SERIRQ SDAT SCLK SERIRQ SDAT SCLK 133 134 33 34 79 78 73 83 82 66 67 75 71 72 68 65 IOR# IOW# AEN MEMR# MEMW# IOCS16# MEMCS16# NOWS# IOCHRDY MASTER# IOCHCK# REFRESH# DRQ7 DRQ6 DRQ5 DRQ3 DRQ2 DQR1 DRQ0 45 46 47 48 49 50 51 DRQ7 DRQ6 DRQ5 DRQ3 DRQ2 DRQ1 DRQ0 DACK7# DACK6# DACK5# DACK3# DACK2# DACK1# DACK0# 36 37 38 39 42 43 44 DACK7# DACK6# DACK5# DACK3# DACK2# DACK1# DACK0# IRQ15 IRQ14/ROMCS# IRQ12 IRQ11 IRQ10 IRQ9 IRQ7 IRQ6 IRQ5 IRQ4 IRQ3 53 54 55 56 57 58 59 60 61 62 63 IRQ15 IRQ14/ROMCS# IRQ12 IRQ11 IRQ10 IRQ9 IRQ7 IRQ6 IRQ5 IRQ4 IRQ3 35 77 76 74 84 64 RSTDRV SMEMR# SMEMW# BALE SBHE# TC 70 BCLK 85 86 87 88 89 90 92 94 95 96 97 98 99 100 102 103 112 113 114 115 SA0 SA1 SA2 SA3 SA4 SA5 SA6 SA7 SA8 SA9 SA10 SA11 SA12 SA13 SA14 SA15 SA16 SA17 SA18 SA19 IOR# IOW# AEN MEMR# MEMW# IOCS16# MEMCS16# NOWS# IOCHRDY MASTER# IOCHK# REFRESH# VCC_3_5V VCC_3_5V VCC_3_5V VCC_3_5V FRAME# IRDY# TRDY# STOP# LOCK# IDSEL DEVSEL# PAR PERR# SERR# IREQ# IGNT# PPDREQ# PPDGNT# PCICLK PCIRST# C/BE#[0..3] +3V 2 C/BE0# C/BE1# C/BE2# C/BE0# AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 AD8 AD9 AD10 AD11 AD12 AD13 AD14 AD15 AD16 AD17 AD18 AD19 AD20 AD21 AD22 AD23 AD24 AD25 AD26 AD27 AD28 AD29 AD30 AD31 RSTDRV SMEMR# SMEMW# BALE SBHE# TC BCLK IOR# IOW# AEN MEMR# MEMW# IOCS16# MEMCS16# NOWS# IOCHRDY MASTER# IOCHCK# REFRESH# 1 NOGO/CLKRUN# SERIRQ SDAT SCLK JP1 AEN BALE TC 1 3 5 R22 R23 R24 2 4 6 4.7K 4.7K 4.7K HEADER 3X2 JP1 DACK7# DACK6# DACK5# DACK3# DACK2# DACK1# DACK0# Functions 1-2 OFF ON Enable Chip test with PCIRST#=0 IT8888 Normal function 3-4 OFF ON Fast DEVSEL# decode for F-Seg No F-Seg decoding 5-6 OFF ON Enable SM Boot-ROM Disable SM Boot-ROM IRQ15 C IRQ12 IRQ11 IRQ10 IRQ9 IRQ7 IRQ6 IRQ5 IRQ4 IRQ3 RSTDRV SMEMR# SMEMW# BALE SBHE# TC BCLK SA[0..19] SA0 SA1 SA2 SA3 SA4 SA5 SA6 SA7 SA8 SA9 SA10 SA11 SA12 SA13 SA14 SA15 SA16 SA17 SA18 SA19 D DRQ7 DRQ6 DRQ5 DRQ3 DRQ2 DRQ1 DRQ0 SA[0..19] JP11 3 IRQ14/ROMCS# 2 1 IRQ14 IRQ14 ROMCS# ROMCS# B See Datasheet Pin133 Description JP12 R 3 NOGO/CLKRUN# 2 1 NOGO NOGO CLKRUN# CLKRUN# JP19 2 D FRAME# IRDY# TRDY# STOP# LOCK# IDSEL DEVSEL# 3 U1 IT8888F/BX 41 81 93 121 FRAME# IRDY# TRDY# STOP# LOCK# IDSEL DEVSEL# 4 3 +3V 5 1 8 LA23 LA22 LA21 LA20 VCC +3V 119 118 117 116 SD0 SD1 SD2 SD3 SD4 SD5 SD6 SD7 SD8 SD9 SD10 SD11 SD12 SD13 SD14 SD15 104 105 106 107 108 109 110 111 122 123 124 125 126 127 128 129 18 28 40 52 69 80 91 101 120 136 148 160 GND GND GND GND GND GND GND GND GND GND GND GND +3V VCC GND +3V LA20 LA21 LA22 LA23 SD15 SD14 SD13 SD12 SD11 SD10 SD9 SD8 SD7 SD6 SD5 SD4 SD3 SD2 SD1 SD0 Preliminary For Reference Only A LA[20..23] SD[0..15] LA[20..23] A ITE, Inc. SD[0..15] Title IT8888 ** Suject to Change Without Notice 8 7 6 5 4 3 Size B Document Number IT8888 Date: Monday, February 08, 1999 2 Rev 0.2 Sheet 1 of 1 3 8 7 PCICLK PCIRST# C/BE#[0..3] D PSLOT1 PPDREQ# PPDGNT# -12V PCICLK PCIRST# VCC GND VCC VCC C/BE#[0..3] C/BE#0 C/BE#1 C/BE#2 C/BE#3 AD[0..31] AD[0..31] AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 AD8 AD9 AD10 AD11 AD12 AD13 AD14 AD15 AD16 AD17 AD18 AD19 AD20 AD21 AD22 AD23 AD24 AD25 AD26 AD27 AD28 AD29 AD30 AD31 C NOGO SERIRQ SDAT SCLK SA[0..19] GND GND GND PCICLK GND IREQ# AD31 AD29 GND AD27 AD25 +3V C/BE#3 AD23 GND AD21 AD19 +3V AD17 C/BE#2 GND IRDY# +3V DEVSEL# GND LOCK# PERR# +3V SERR# +3V C/BE#1 AD14 GND AD12 AD10 GND GND GND AD8 AD7 +3V AD5 AD3 GND AD1 NOGO SERIRQ SDAT SCLK SA[0..19] SA0 SA1 SA2 SA3 SA4 SA5 SA6 SA7 SA8 SA9 SA10 SA11 SA12 SA13 SA14 SA15 SA16 SA17 B SD[0..15] 1 Optional SM ROM PAR PERR# SERR# VCC VCC VCC B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B29 B30 B31 B32 B33 B34 B35 B36 B37 B38 B39 B40 B41 B42 B43 B44 B45 B46 B47 B48 B49 B50 B51 B52 B53 B54 B55 B56 B57 B58 B59 B60 B61 B62 -12V TCK GND TDO +5V +5V INTB# INTD# PRSNT1# RESVD PRSNT2# GND GND RESVD GND CLK GND REQ# +5/3V AD31 AD29 GND AD27 AD25 3.3V C/BE3# AD23 GND AD21 AD19 3.3V AD17 C/BE2# GND IRDY# 3.3V DEVSEL# GND LOCK# PERR# 3.3V SERR# 3.3V C/BE1# AD14 GND AD12 AD10 GND 3VCGND 3VCGND AD8 AD7 3.3V AD5 AD3 GND AD1 +5/3V ACK64# +5V +5V TRST# +12V TMS TDI +5V INTA# INTC# +5V RESVD +5/3V RESVD GND GND RESVD RST# +5/3V GNT# GND RESVD AD30 3.3V AD28 AD26 GND AD24 IDSEL 3.3V AD22 AD20 GND AD18 AD16 3.3V FRAME# GND TRDY# GND STOP# 3.3V SDONE SB0# GND PAR AD15 3.3V AD13 AD11 GND AD9 3VCGND 3VCGND C/BE0# 3.3V AD6 AD4 GND AD2 AD0 +5/3V REQ64# +5V +5V A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 A33 A34 A35 A36 A37 A38 A39 A40 A41 A42 A43 A44 A45 A46 A47 A48 A49 A50 A51 A52 A53 A54 A55 A56 A57 A58 A59 A60 A61 A62 +12V VCC VCC VCC VCC VCC 8 R50 20K SCL SDA 6 5 SCLK SDAT 7 R51 20K U2 VCC GND GND 1 2 3 A0 A1 A3 4 VSS PCIRST# NC NM24C16 IGNT# GND VCC AD30 +3V AD28 AD26 GND AD24 IDSEL +3V AD22 AD20 GND AD18 AD16 +3V FRAME# GND TRDY# GND STOP# +3V OPtional EPROM C VCC U3 32 PPDREQ# PPDGNT# 2 FRAME# IRDY# TRDY# STOP# LOCK# IDSEL DEVSEL# IREQ# IGNT# IREQ# IGNT# 3 GND PAR AD15 +3V AD13 AD11 GND AD9 GND GND C/BE#0 +3V AD6 AD4 GND AD2 AD0 VCC VCC VCC VCC SA0 SA1 SA2 SA3 SA4 SA5 SA6 SA7 SA8 SA9 SA10 SA11 SA12 SA13 SA14 SA15 SA16 12 11 10 9 8 7 6 5 27 26 23 25 4 28 29 3 2 ROMCS# MEMR# 22 24 1 31 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 VCC D 4 O0 O1 O2 O3 O4 O5 O6 O7 13 14 15 17 18 19 20 21 SD0 SD1 SD2 SD3 SD4 SD5 SD6 SD7 30 SA17 B A17 CE OE VPP PGM GND PAR PERR# SERR# 5 16 FRAME# IRDY# TRDY# STOP# LOCK# IDSEL DEVSEL# 6 271024 PCISLOT SD[0..15] VCC SD0 SD1 SD2 SD3 SD4 SD5 SD6 SD7 A ROMCS# MEMR# CLKRUN# OSC +3V +3V +12V -12V +12V -12V VCC GND Preliminary For Reference Only ROMCS# MEMR# A ITE, Inc. CLKRUN# OSC Title PCI Slot ** Suject to Change Without Notice 8 7 6 5 4 3 Size B Document Number IT8888 Date: Monday, February 08, 1999 2 Rev 0.2 Sheet 3 of 1 3 8 7 6 5 4 J2 IOCHCK# SD7 SD6 SD5 SD4 SD3 SD2 SD1 SD0 IOCHRDY AEN SA19 SA18 SA17 SA16 SA15 SA14 SA13 SA12 SA11 SA10 SA9 SA8 SA7 SA6 SA5 SA4 SA3 SA2 SA1 SA0 IOCHCK# SD7 SD6 SD5 SD4 SD3 SD2 SD1 SD0 IOCHRDY AEN SA19 SA18 SA17 SA16 SA15 SA14 SA13 SA12 SA11 SA10 SA9 SA8 SA7 SA6 SA5 SA4 SA3 SA2 SA1 SA0 D 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 3 J3 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B29 B30 B31 GND RSTDRV VCC IRQ9 -5V DRQ2 -12V NOWS# +12V GND SMEMW# SMEMR# IOW# IOR# DACK3# DRQ3 DACK1# DRQ1 REFRESH# BCLK IRQ7 IRQ6 IRQ5 IRQ4 IRQ3 DACK2# TC BALE VCC OSC GND GND RSTDRV VCC IRQ9 -5V DRQ2 -12V NOWS# +12V GND SMEMW# SMEMR# IOW# IOR# DACK3# DRQ3 DACK1# DRQ1 REFRESH# BCLK IRQ7 IRQ6 IRQ5 IRQ4 IRQ3 DACK2# TC BALE VCC OSC GND GND RSTDRV VCC IRQ9 -5V DRQ2 -12V NOWS# +12V GND SMEMW# SMEMR# IOW# IOR# DACK3# DRQ3 DACK1# DRQ1 REFRESH# BCLK IRQ7 IRQ6 IRQ5 IRQ4 IRQ3 DACK2# TC BALE VCC OSC GND 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B29 B30 B31 CON31X2 CON31X2 J7 J8 2 1 J4 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 IOCHCK# SD7 SD6 SD5 SD4 SD3 SD2 SD1 SD0 IOCHRDY AEN SA19 SA18 SA17 SA16 SA15 SA14 SA13 SA12 SA11 SA10 SA9 SA8 SA7 SA6 SA5 SA4 SA3 SA2 SA1 SA0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 GND RSTDRV VCC IRQ9 -5V DRQ2 -12V NOWS# +12V GND SMEMW# SMEMR# IOW# IOR# DACK3# DRQ3 DACK1# DRQ1 REFRESH# BCLK IRQ7 IRQ6 IRQ5 IRQ4 IRQ3 DACK2# TC BALE VCC OSC GND 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B29 B30 B31 D CON31X2 J9 C C SBHE# LA23 LA22 LA21 LA20 SA19 SA18 SA17 MEMR# MEMW# SD8 SD9 SD10 SD11 SD12 SD13 SD14 SD15 SBHE# LA23 LA22 LA21 LA20 SA19 SA18 SA17 MEMR# MEMW# SD8 SD9 SD10 SD11 SD12 SD13 SD14 SD15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 C17 C18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 D16 D17 D18 MEMCS16# IOCS16# IRQ10 IRQ11 IRQ12 IRQ15 IRQ14 DACK0# DRQ0 DACK5# DRQ5 DACK6# DRQ6 DACK7# DRQ7 VCC MASTER# GND MEMCS16# IOCS16# IRQ10 IRQ11 IRQ12 IRQ15 IRQ14 DACK0# DRQ0 DACK5# DRQ5 DACK6# DRQ6 DACK7# DRQ7 VCC MASTER# GND MEMCS16# IOCS16# IRQ10 IRQ11 IRQ12 IRQ15 IRQ14 DACK0# DRQ0 DACK5# DRQ5 DACK6# DRQ6 DACK7# DRQ7 VCC MASTER# GND CON18X2 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 D16 D17 D18 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 C17 C18 SBHE# LA23 LA22 LA21 LA20 SA19 SA18 SA17 MEMR# MEMW# SD8 SD9 SD10 SD11 SD12 SD13 SD14 SD15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 CON18X2 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 C17 C18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 D16 D17 D18 MEMCS16# IOCS16# IRQ10 IRQ11 IRQ12 IRQ15 IRQ14 DACK0# DRQ0 DACK5# DRQ5 DACK6# DRQ6 DACK7# DRQ7 VCC MASTER# GND CON18X2 RP4 DRQ7 DRQ6 DRQ5 DRQ3 DRQ2 DRQ1 DRQ0 B +12V -12V 2 3 4 5 6 7 8 9 10 R1 R2 R3 R4 R5 R6 R7 R8 R9 C 1 RP6 +3V VCC BCLK RP2 BC9 BC14 BC17 BC8 BC12 BC19 BC20 CAP CAP CAP CAP CAP CAP CAP SD7 SD6 SD5 SD4 SD3 SD2 SD1 SD0 2 3 4 5 6 7 8 9 10 R1 R2 R3 R4 R5 R6 R7 R8 R9 C 1 IOR# IOW# SMEMR# SMEMW# MEMR# MEMW# 2 3 4 5 6 7 8 BC1 BC2 BC3 BC4 BC5 BC6 BC7 BC10 BC11 BC13 BC15 BC16 CAP CAP CAP CAP CAP CAP CAP CAP CAP CAP CAP CAP A 2 3 4 5 6 7 8 9 10 C 1 Optional VCC RP10-10K RP3 SD8 SD9 SD10 SD11 SD12 SD13 SD14 SD15 R1 R2 R3 R4 R5 R6 R7 RP8-4.7K R1 R2 R3 R4 R5 R6 R7 R8 R9 C 330 R1 MEMCS16# 330 R2 IOCS16# 330 R3 NOWS# 330 R4 REFRESH# 1K R10 IOCHRDY 1K R11 1 RP10-10K U4 1 NC VCC 4 2 GND OUT 3 VCC MASTER# VCC VCC B VCC RP10-10K 4.7K IOCHCK# VCC OSC 14.318MHz +12V -12V -5V +12V -12V -5V VCC GND Preliminary For Reference Only A R21 ITE, Inc. Title ISA Slot ** Suject to Change Without Notice 8 7 6 5 4 3 Size B Document Number IT8888 Date: Monday, February 08, 1999 2 Rev 0.2 Sheet 3 of 1 3