芯片組架構(gòu)圖（53個）

1、va7n266-vm va7n8x va7s266-vm va7s333 va7v333 va7v400 va7v600 va7v8x va7v8x-x vk8m vk8n-vm vk8v vk8v-m vk8v-d vk8v-f vp4b-266 vp4b533-vm vp4bgl-vm vp4c800 vp4c800-e vp4g800-v chipset framework introduction p4g8x p4i800-vm p4p800 p4p800-vm p4p8x p4pe p4pe-x p4r800-v p4r800-vm p4s133 p4s133-vm p4s333 p

2、4s533 p4s533-e p4s533-mx p4s533-vm p4s533-x p4s800 p4s8x p4s8x-m p4s8x-x p4sdx p4se p4se-x p4sgx-mx p4t1066 p4t533 p4t533-c p4t-em p4v800d p4v880 sk8n (tc version1.02)date:2003/6/3 by yaho_yang a7n266-vm block diagram 2/1/2002 agp slot 266 mhz 4x agp 32-bit athlon/athlon xp cpu 266 mhz ldt link bios

3、 flash rom 2 ide ports (ultra dma66/100) usb usb 6 usb ports usb usb 3 x pci slots 1xparallel, 2xserial, cir/sir kb,ms 266mhz s2k bus 64 bit ddr nforce 220 (north bridge) 184pin dimm (2 x dimms) mcp/mcp-d (south bridge) usbusb lpc bus 33mhz ac97 12mhz pci bus 33mhz lpc super io 266 mhz 100mhz 12 mhz

4、 mii interface phy audio codec vga port (tc version1.02)date:2003/6/3 by yaho_yang back a7n8x block diagram 5/21/2002 agp slot/ dvi/tv 266 mhz 8x agp 32-bit athlon/athlon xp cpu 266 mhz ldt link bios flash rom 2 ide ports (ultra dma66/100) usb usb 6 usb ports usb usb 5 x pci slots acr slot 1xparalle

5、l, 2xserial, cir kb,ms 533mhz s2k bus 184pin dimm (2x dimms) 64/128 bit ddr nforce crush17 igp 184pin dimm (1 x dimms) mcp-2/-2h usbusb lpc bus 33mhz ac97 12mhz pci bus 33mhz lpc super io 333 mhz 133mhz 480mb/s mii interface lan phy 1394a vga port 10/100 mbit alc 650 6ch codec (tc version1.02)date:2

6、003/6/3 by yaho_yang back 100/133 mhz(200/266 mhz data) amd duron/athlon/athlon xp cpu 2 ide ports (ultra dma66/100) (961b/962 support ata133) 3 x pci slots scalable bus 64 bit ddr sdram 2 x dimms sdr sdram 2 x dimms sis 740 (north bridge) pci bus 33mhz 100/133/166 mhz ac97 mii bios flash rom 1xpara

7、llel, 1xserial, cir,sir kb,ms,game port, midi port isa bus sis 961/961b/962 (south bridge) ac97 codec ite 8707f supper i/o lpc bus 66-133 mhz(266-533 mhz data) mutiol bus sis 301 graphic tmds lcd out tv-out dual monitor sis 301 realtek phy rtl8201 10/100m lan 6 usb/ usb 2.0 ports usbusb usbusb usb u

8、sb 139413941394 ieee1394 3 ports realtek phy rtl8801 a7s266-vm block diagram12/19/2001 (tc version1.02)date:2003/6/3 by yaho_yang back 100/133 mhz(200/266 mhz data) amd duron/athlon/athlon xp cpu 2 ide ports (ultra dma66/100) 6 usb ports 5 x pci slots scalable bus 64 bit ddr sdram 2 x dimms sis 745

9、(north bridge) pci bus 33mhz 133/166 mhz 12 mhz usbusb usbusb ac97 12mhz usb usb agp slot 4x agp 32-bit 66mhz bios flash rom 1xparallel, 2xserial, cir,sir kb,mouse, game port, midi port smart card isa bus ite 8705f (super io) amr slot pci audio cmi8738 -6ch lpc bus realtek phy rtl8801 139413941394 3

10、 1394 ports a7s333 block diagram 12/7/2001 (tc version1.02)date:2003/6/3 by yaho_yang back agp slot ddr sdram (3 x dimms) kt333 (north bridge) 266 mhz 4x agp 32-bit 200/ 266/333mhz 64-bit athlon xp cpu vlink bus 266mhz 8-bit vt8233a (south bridge) lpc bus bios flash rom 4 usb ports 1xparallel,floppy

11、 2xserial,1xir kb,ms 1xsmart card reader 66mhz lpc super i/o 33mhz usb usb usb audio pci winbond 83l518d ms/sd w83791sd +w55f10speech smbus ata133 riad usb p1394 ti tsb43ab21 via usb2.0 usbusb usbusb 4 usb 2.0 ports a7v333 block diagram 12/14/2001 (tc version1.02)date:2003/6/3 by yaho_yang back agp

12、slot ddr sdram (3 x dimms) kt400a (north bridge) 266 / 333 mhz 8x agp 32-bit 200/ 266/333/400 64-bit athlon xp cpu vlink bus 266mhz 8/16-bit vt8237 (south bridge) lpc bus bios flash rom 1xparallel,floppy 2xserial, kb,ms, sir gameport 66mhz ite 8712 super i/o codec ad1980 pci ac97 pci bus 33mhz 2 ide

13、 ports (ultra ata 66/100) 2 serial ata ports usbusbusbusb usbusbusbusb usb1.1/2.0 port x8 6*pci slots 3com 3c940 gbit via 6307 (p1394) promise (20378) (optional) 2s+2p raid 0,1,0+1 a7v400 block diagram 1/27/2003 (tc version1.02)date:2003/6/3 by yaho_yang back agp slot ddr sdram (3 x dimms) kt600 (no

14、rth bridge) 266 / 333/400 mhz 8x agp 32-bit 200/ 266/333/400 64-bit athlon xp/thoroughbred/ barton cpu vlink bus 266mhz 8 bit vt8237 (south bridge) lpc bus bios flash rom 1xparallel,floppy 2xserial, kb,ms, sir gameport 66mhz ite 8712 super i/o codec ad1980 pci ac97 pci bus 33mhz 2 ide ports (ultra a

15、ta 66/100) usbusbusb usbusbusb usb1.1/2.0 port x8 5*pci slots realtek 10/100 mb via 6307 (p1394) usb usb mii cnr a7v600 block diagram 4/10/2003 (tc version1.02)date:2003/6/3 by yaho_yang back agp slot ddr sdram (3 x dimms) kt400 (north bridge) 266 mhz 8x agp 32-bit 200/ 266/333/400mhz 64-bit athlon

16、xp cpu vlink bus 266mhz 8/16-bit vt8235 (south bridge) lpc bus bios flash rom 6 usb ports 1xparallel,floppy 2xserial,1xir kb,ms 1xsmart card reader 66mhz lpc super i/o 33mhz usb usb usb codec cm9739 & alc650 dual layout pci w83791sd +w55f10speech smbus serial ata usb p1394 via ? usbusb ac97 a7v8x bl

17、ock diagram 8/7/2002 (tc version1.02)date:2003/6/3 by yaho_yang back agp slot ddr sdram (3 x dimms) kt400 (north bridge) 266 / 333 mhz 8x agp 32-bit 200/ 266/333/400 64-bit athlon xp cpu vlink bus 266mhz 8/16-bit vt8235 (south bridge) lpc bus bios flash rom 6 usb ports 1xparallel,floppy 2xserial kb,

18、ms 66mhz lpc super i/o 33mhz usb usb usb codec ad1980 pci usb usbusb ac97 lan rtl8201bl mii bus a7v8x-x block diagram 12/26/2002 (tc version1.02)date:2003/6/3 by yaho_yang back agp slot ddr sdram (2 x dimms) amd lokar (north bridge) hypertransport 16*16 1.6gt/sec8x agp 32-bit 200/266/ 333mhz amd cla

19、whammer processor ldt bus hypertransport ,8*8 ,400mt/sec amd thor (south bridge) lpc bus 5 x pci slots bios flash rom 6 usb ports 2 ide ports (ultra dma66/100/133) 1xparallel,floppy 1xserial, kb,ms, game ports 66mhz codec cm9739 &alc650 dual layout lpc super i/o 33mhz usb usb usb usb p1394 ti tsb43a

20、b22 serial ata usb2.0 vt6206 ac97 usbusb k8m block diagram 4/24/2002 (tc version1.02)date:2003/6/3 by yaho_yang back agp slot ddr sdram (2 x dimms) nvidia ck8/ck8g 600/800 mhz agp 8x, 1.5v 32-bit 200/266/333mhz 64-bit amd hammer k8 2.4ghz+ cpu lpc bus bios flash rom 6 usb2.0/1.1 ports ac97 1xparalle

21、l,floppy 2xserial,1xir kb,ms,game ports, 66mhz lpc super i/o 33mhz usb usb usb usb usb usb pci x 3 ata133 ad1980 silcon image si 3112a sata realtek lan phy mii k8n-vm block diagram 9/26/2002 (tc version1.02)date:2003/6/3 by yaho_yang back 800 mb/s hypertransport amd k8 - crawhammer cpu 2 ide ports (

22、ultra ata 66/100/133) 8 usb1.1/ usb 2.0 ports 5 x pci slots 64 bit ddr sdram 3 x dimms via k8t400m (north bridge) pci bus 33mhz 266/333 mb/s usbusb usbusb ac97 usb usb agp 8x slot bios flash rom 1xparallel, 2xserial, kb,ms, game port,floppy isa bus vt 8237 (south bridge) super i/o ite it8705f lpc bu

23、s 533 mb/s via link 533 mb/s codec adi ad1980 6ch audio raid via vt6410 ieee1394 via vt6307 gbit lan 3com/marvell 3c940-mv00 10/100m phy via vt6103 2 sata ports (raid) wireless module usb usb k8v block diagram 1/28/2003 (tc version1.02)date:2003/6/3 by yaho_yang back 800 mb/s hypertransport amd k8 -

24、 hammer cpu 2 ide ports (ultra ata 66/100/133) 6 usb1.1/ usb 2.0 ports 3 x pci slots 64 bit ddr sdram 2 x dimms vt 8188a (north bridge) pci bus 33mhz 266/333 mb/s usbusb usbusb ac97 mii usb usb agp 8x slot bios flash rom 1xparallel, 2xserial, cir,sir kb,ms,game port, smart card isa bus vt 8235 (sout

25、h bridge) ite it8705f supper i/o lpc bus 266 mb/s via link 533 mb/s lan phy via vt6103 10/100m lan audio codec via vt1616/1612a 6ch/2ch audio k8v-m block diagram 6/5/2002 (tc version1.02)date:2003/6/3 by yaho_yang back 800 mb/s hypertransport amd k8 - crawhammer cpu 2 ide ports (ultra ata 66/100/133

26、) 6 usb1.1/ usb 2.0 ports 5 x pci slots 64 bit ddr sdram 2 x dimms vt 8383a (north bridge) pci bus 33mhz ddr333 usbusb usbusb ac97 usb usb agp 8x slot bios flash rom 1xparallel, fdc 2xserial, sir kb,ms,game port, isa bus vt 8235 (south bridge) ite it8705f supper i/o lpc bus 266 mb/s via link 533 mb/

27、s codec c-media cmi9739a 6ch audio sata promise pdc20376 1394 via vt6307 lan broadcom 4401/5702 10/100/1000m amd k8 - crawhammer cpu ddr sdram 2 x dimms k8v-d block diagram 8/13/2002 (tc version1.02)date:2003/6/3 by yaho_yang back 800 mb/s hypertransport amd k8 - crawhammer cpu 2 ide ports (ultra at

28、a 66/100/133) 8 usb1.1/ usb 2.0 ports 5 x pci slots 64 bit ddr sdram 2 x dimms via k8t800 (north bridge) pci bus 33mhz 266/333/400 mb/s usbusb usbusb ac97 usb usb agp 8x slot bios flash rom 1xparallel, 1xserial, kb,ms, floppy vt 8237 (south bridge) super i/o winbond 83697 lpc bus 533 mb/s via link 5

29、33 mb/s codec realtek alc650f 6ch audio ieee1394 via vt6307 10/100m lan phy realtek rtl8201bl/cl 2 sata ports (raid) usb usb mii note: not included r included optional cnr k8v-f block diagram 5/29/2003 (tc version1.02)date:2003/6/3 by yaho_yang back agp slot ddr sdram (3 x dimms) intel brookdale (no

30、rth bridge) 100 mhz 4x agp 32-bit 200/ 266mhz 64-bit pentium 4 cpu hublink bus 66mhz 8-bit intel 82801ba (south bridge) lpc bus bios flash rom 4 usb ports ac97 1xparallel,floppy 2xserial,1xir kb,ms,game ports, 1xsmart card reader 66mhz 12.288mhz scalable bus lpc super i/o 33mhz usb usb usb usb cnr u

31、sb 2.0 4 usb ports usb usb usb usb audio pci winbond 83l518d ms/sd w83791sd +w55f10speech smbus lan kinnereth p4b266 block diagram 10/11/2001 (tc version1.02)date:2003/6/3 by yaho_yang back agp slot ddr sdram (2 x dimms) intel brookdale-g (north bridge) 100/133 mhz (400/533 mhz data) scalable bus 4x

32、 agp 32-bit 266mhz 64-bit intel mpga 478 p4 cpu hublink bus 266mhz 8-bit intel ich4 (south bridge) lpc bus 3 x pci slots bios flash rom 6 usb2.0/1.1 ports 2 ide ports (ultra dma33/66/100) on-board audio codec c-media 9738 (spdif) ac97 1xparallel,floppy 2xserial, 1xgame kb,ms, 66mhz 12mhz lpc super i

33、/o 33mhz usb usb usb usb on-board vga usbusb kinnereth lan 10/100mbps p4b533-vm block diagram 1/23/2002 (tc version1.02)date:2003/6/3 by yaho_yang back 100 mhz(400 mhz data) intel pentium-4 cpu 2 ide ports (ultra ata 66/100) 6 usb1.1/ usb 2.0 ports 3 x pci slots scalable bus 64 bit ddr sdram 2 x dim

34、ms intel brookdale gl i845gl (north bridge) pci bus 33mhz 200/266 mhz usbusb usbusb ac97 usb usb integrated graphic bios fwh floppy,parallel, 2xserial, sir kb,ms,game port, intel ich4 fw82801db (south bridge) ite 8708f supper i/o lpc bus hub link bus realtek 8101l 10/100 lan audio codec realtek alc1

35、01 2 ch add slot (optional, defaultly unmount) p4bgl-vm block diagram 9/13/2002 (tc version1.02)date:2003/6/3 by yaho_yang back 533/800 mb/s fsb intel pentium 4 northwood/prescott cpu 2 ide ports (ultra ata 66/100) usb1.1/2.0 port x8 5 x pci slots 128 bit 2 channel ddr sdram 4 x dimms intel 82875p c

36、anterwood (north bridge) pci bus 33mhz 266/333/400 mhz usbusb usbusb ac97usb usb 4m bios fwh 1xparallel, floppy 2xserial, kb,ms,game port, hw monitor intel ich5 (south bridge) winbond 83627thf supper i/o lpc bus 266mb/s hublink bus agp 4x / 8x audio codec adi 1985 2 serial ata ports usb usb via 6307

37、 (p1394) 3com 3c940 gbit (10/100mbit) promise r20378 support 2s+2p raid0/raid1 2 serial ata ports p4c800 block diagram 4/21/2003 (tc version1.02)date:2003/6/3 by yaho_yang back 533/800 mb/s fsb intel pentium 4 northwood cpu 2 ide ports (ultra ata 66/100) usb1.1/2.0 port x8 5 x pci slots 64/128 bit d

38、ual channel ddr sdram 4 x dimms also support (single channel) intel 82875p canterwood (north bridge) pci bus 33mhz 266/333/400 mhz usbusb usbusb ac97usb usb 4m bios fwh 1xparallel, floppy 2xserial, kb,ms,game port, hw monitor intel ich5r (south bridge) winbond 83627thf supper i/o lpc bus 266mb/s hub

39、link bus agp 4x / 8x audio codec adi 1985 2 serial ata ports (raid 0) usb usb intel 82547ei gigabit (10/100mbit) via 6307 (p1394) promise r20378 2 serial ata ports p4c800-e block diagram 5/20/2003 (tc version1.02)date:2003/6/3 by yaho_yang back 400/533/800mb/s fsb intel pentium 4 northwood/prescott

40、cpu 2 ide ports (ultra ata 66/100) usb1.1/2.0 port x8 6 x pci slots 64/128 bit 2 channel ddr sdram 4 x dimms intel springdale-g gmch (north bridge) pci bus 33mhz 266/333/400 mhz usbusb usbusb ac97 usb usb 4m bios fwh 1xparallel, floppy 2xserial, sir kb,ms,game port, hw monitor intel ich5 (south brid

41、ge) smsc lpc47m192 super i/o lpc bus 266mb/s hublink bus realktek 8101l pci agp 8x or add slot vga audio codec realtek alc650 10/100m lan 2 serial ata ports usb usb 266 mb/s csa 6ch audio p4g800-v block diagram 5/15/2003 (tc version1.02)date:2003/6/3 by yaho_yang back agp pro50 slot dual-channel ddr

42、 sdram (4 x dimms) intel granite bay (north bridge) 400/533 mhz agp pro50 8x, 1.5v 32-bit 200/ 266mhz 128/144-bit intel mpga478 pentium 4 2.2ghz+ cpu hublink bus 66mhz 8-bit (hl1.5) intel 82801db ich4 (south bridge) lpc bus bios flash rom (fwh) 6 usb2.0/1.1 ports ac97 1xparallel,floppy 2xserial,1xir

43、 kb,ms,game ports, 66mhz 12.288mhz scalable bus lpc super i/o 33mhz usb usb usb usb usb usb pci 32b/33mhz x 5 w83791sd +w55f10speech smbus ata100 silicon image serial ata serial ata broadcom bcm440110/100 or bcm5702 gbe ti tsb43ab22 2 ports 1394 1394 1394 2 1394 ports realtek alc650 6-ch p4g8x block

44、 diagram 8/26/2002 (tc version1.02)date:2003/6/3 by yaho_yang back 400/533/800mb/s fsb intel pentium 4 northwood/prescott cpu 2 ide ports (ultra ata 66/100) usb1.1/2.0 port x8 3 x pci slots 64/128 bit 2 channel ddr sdram 4 x dimms intel springdale-g gmch (north bridge) pci bus 33mhz 266/333/400 mhz

45、usbusb usbusb ac97 usb usb 2m bios fwh 1xparallel, floppy 2xserial, sir kb,ms,game port, hw monitor intel ich5 (south bridge) ite 8712f supper i/o lpc bus 266mb/s hublink bus intel lan 82547ei(gbit) or 82562ex(10/100m) agp 8x or add slot vga audio codec adi ad1980 1gbit lan 10/100m lan 2 serial ata

46、ports usb usb 266 mb/s csa 6ch audio ti tsb43ab22 ieee 1394 p4i800-vm block diagram 12/6/2002 (tc version1.02)date:2003/6/3 by yaho_yang back 533/800 mb/s fsb intel pentium 4 northwood/prescott cpu 2 ide ports (ultra ata 66/100) usb1.1/2.0 port x8 5 x pci slots 128 bit 2 channel ddr sdram 4 x dimms

47、intel 82865pe (north bridge) pci bus 33mhz 266/333/400 mhz usbusb usbusb ac97usb usb 4m bios fwh 1xparallel, floppy 2xserial, kb,ms,game port, hw monitor intel ich5r (south bridge) winbond 83627hf supper i/o lpc bus 266mb/s hublink bus agp 4x / 8x audio codec adi 1980 2 serial ata ports usb usb marv

48、ell gbit (10/100mbit) via 6307 (p1394) promise r20276 support raid0/raid1 p4p800 block diagram 1/15/2003 (tc version1.02)date:2003/6/3 by yaho_yang back 400/533/800mb/s fsb intel pentium 4 northwood/prescott cpu 2 ide ports (ultra ata 66/100) usb1.1/2.0 port x8 3 x pci slots 64/128 bit 2 channel ddr

49、 sdram 4 x dimms intel springdale-g gmch (north bridge) pci bus 33mhz 266/333/400 mhz usbusb usbusb ac97 usb usb 2m bios fwh 1xparallel, floppy 2xserial, sir kb,ms,game port, hw monitor intel ich5 (south bridge) winbond w83627thf super i/o lpc bus 266mb/s hublink bus intel lan 82547ei(gbit) or 82562

50、ex(10/100m) agp 8x or add slot vga audio codec adi ad1980 1gbit lan 10/100m lan 2 serial ata ports usb usb 266 mb/s csa 6ch audio ieee 1394 ti tsb43ab22 p4p800-vm block diagram 1/28/2003 (tc version1.02)date:2003/6/3 by yaho_yang back 400/533/ 800 mb/s fsb intel pentium 4 northwood/prescott cpu 2 id

51、e ports (ultra ata 66/100) usb1.1/2.0 port x8 5 x pci slots 128 bit 2 channel ddr sdram 4 x dimms intel 82865p (north bridge) pci bus 33mhz 266/333 mhz usbusb usbusb ac97 usb usb 2m bios fwh 1xparallel, floppy 2xserial, kb,ms,game port, hw monitor intel ich5 (south bridge) winbond 83627thf supper i/

52、o lpc bus 266mb/s hublink bus agp 4x / 8x audio codec adi 1985 2 serial ata ports usb usb 3com 3c940 gbit (10/100mbit) note: not included r included optional delux p4p8x block diagram 4/21/2003 (tc version1.02)date:2003/6/3 by yaho_yang back agp slotddr sdram (3 x dimms) intel brookdale-pe (north br

53、idge) 400/533 mhz agp 4x, 1.5v 32-bit 200/266/333mhz 64-bit intel socket type 478 pentium 4 3.0ghz+ cpu hublink bus 66mhz 8-bit intel 82801da ich4 (south bridge) lpc bus bios flash rom (fwh) 6 usb2.0/1.1 ports ac97 1xparallel,floppy 2xserial,1xir kb,ms,game ports, 1xsmart card reader 66mhz 12.288mhz

54、 lpc super i/o 33mhz usb usb usb usb usb usb broadcom lan pci x 6 w83791sd +w55f10speech smbus ata100 realtec alc650 promise 20376 sata ata133 raid marvell 88i8030 marvell 88i8030 sata sata via6306 p1394 p4pe block diagram 8/6/2002 (tc version1.02)date:2003/6/3 by yaho_yang back agp slotddr sdram (3

55、 x dimms) intel brookdale-pe (north bridge) 400/533 mhz agp 4x, 1.5v 32-bit 200/266/333mhz 64-bit intel socket type 478 pentium 4 3.0ghz+ cpu hublink bus 66mhz 8-bit intel 82801da ich4 (south bridge) lpc bus bios flash rom (fwh) 6 usb2.0/1.1 ports ac97 1xparallel,floppy 2xserial,1xir kb,ms,game port

56、s, 1xsmart card reader 66mhz 12.288mhz lpc super i/o 33mhz usb usb usb usb usb usb broadcom lan pci x 6 ata100 ad1980 p4pe-x block diagram 4/21/2003 (tc version1.02)date:2003/6/3 by yaho_yang back 400/533/800 mhz fsb intel pentium 4 willamette /northwood /prescott cpu 2 ide ports (ultra ata 66/100)

57、usb1.1/2.0 port x6 5 x pci slots 64/128 bit 2 channel ddr sdram 4 x dimms ati rs300 (north bridge) pci bus 33mhz 333/400 mhz usbusb usbusb ac97 usb usb 4m bios lpc parallel x1, floppy serial x2, sir kb,ms,game port, hw monitor ati ixp150 (south bridge) super i/o winbond w83627thf lpc bus a-link bus

58、266 mb/sec 10/100m lan pci 3com 3c920-mv00? agp 8x or add slot vga audio codec adi ad1980+ 6ch audio ieee 1394 via vt6307 note: not included r included optional gigabit lan 3com/marvell 3c940-mv00 sata/raid sis sis180 1 ide port 2 sata ports p4r800-v block diagram 5/20/2003 (tc version1.02)date:2003

59、/6/3 by yaho_yang back 400/533/800 mhz fsb intel pentium 4 northwood/prescott cpu 2 ide ports (ultra ata 66/100) usb1.1/2.0 port x6 3 x pci slots 64/128 bit 2 channel ddr sdram 4 x dimms ati rs300 (north bridge) pci bus 33mhz 333/400 mhz usbusb usbusb ac97 usb usb bios lpc parallel x1, floppy serial

60、 x1, kb,ms, hw monitor ati ixp200 (south bridge) winbond w83627thf super i/o lpc bus a-link bus 266 mb/sec 10/100 lan realtek 8201bl/cl phy agp 8x or add slot vga audio codec adi ad1888 6ch audio mii note: not included r included optional p4r800-vm block diagram 5/23/2003 (tc version1.02)date:2003/6