Page 1: ...11111 ASC486 Ver C Advanced 486 P24T Single Board Computer All brand names are registered trademarks of their owners...
Page 2: ...d you need for even the most demanding applications The most outstanding feature in the ASC486 is built in PC 104 expansion bus Based on the PC 104 bus you could easily install over thousands of PC 10...
Page 3: ...y PC AT compatible with 7 DMA channels Fully PC AT compatible with 16 interrupt levels 8 SIMM sockets for up to 128 MB RAM Up to 1MB Cache Memory On board Dallas RTC DS12887 with 128B of COMS SRAM Up...
Page 4: ...Computer Printer Cable FDD HDD Cable 6 pin Mini Din to 5 pin Din Keyboard Adapter Cable PC 104 Mounting Kit If any of these items is missing or damaged contact the dealer from whom you purchased the...
Page 5: ...ll the connectors on the ASC486 board will be described The unpacking information that you should be careful is described The jumpers and switches setting for the ASC486 s configuration such as CPU sp...
Page 6: ...ndling may cause damage to your board Be sure there are no shipping and handing damages on the board before processing After opening the cardboard carton exact the system board and place it only on a...
Page 7: ...__ JL I I ut J I I U CI 11111 J 6 Installation...
Page 8: ...0 JPllll 311 tJIS I I t Installation 7...
Page 9: ...is port can be set 110 address to 378H 37FH or 278H 27FH by jumper JP33 Also the port s interrupt can be set to IRQ7 or IRQS by jumper JP31 The ASC486 allo NS installation of up to three parallel port...
Page 10: ...43 Printer Port Setting JP43 DESCRIPTION 1 2 ENABLE 2 3 DISABLE JP39 Parallel Data Bus Input Output Control JP39 DESCRIPTION OPEN PARALLEL DATA BUS INPUT ENABLE CLOSE PARALLEL DATA BUS INPUT DISABLE O...
Page 11: ...Port Interface There are ty o on board RS 232 serial ports interface CN9 ACED and CN10 ACE1 The serial ports can be configured as COM1 COM2 COM3 and COM4 by jumper JP41 and JP44 These ports can also b...
Page 12: ...NABLE ACEO Default 2 3 DISABLE ACEO JP45 1 2 ENABLE ACE1 Default 2 3 DISABLE ACE1 CN9 CN10 Serial Port Connector CN9 ACEO CN10 ACE1 PINNO DESCRIPTION PIN NO 1 DATA CARRIER DETECT 2 JPCDl_ 3 TRANSMIT D...
Page 13: ...external control card and on board interface are enable at the same time JP3 HOD LED connector PIN NO DESCRIPTION 1 5V 2 HDDACTIVE JP32 HOD Controller Setting JP32 DESCRIPTION 1 2 ENABLE IDE HDC 2 3 D...
Page 14: ...SAO 36 SA2 37 HDCCSO 38 HOC CS1 39 HOD ACTIVE 40 GROUND 2 8 Floppy Disk Controller FDC The ASC486 provides a 34 pin header type connector CN3 for supporting up to two floppy drivers The floppy drives...
Page 15: ...25 GROUND 26 TRACKO 27 GROUND 28 WRITE PROTECT 29 GROUND 30 READ DATA 31 GROUND 32 SIDE 1 SELECT 33 GROUND 34 DISK CHANGE 2 9 Watch Dog Timer The Watch Dog Timer is enabled by reading port 443H It sho...
Page 16: ...tom Request For RTC Clear Function JP28 DESCRIPTION OPEN NO RTC CLEAR FUNCTION _ _DEFAULT_ _ CLOSE RTC CLEAR HAVE TO BUILD IN DALLAS 12887A CHIP Note If 12887A is built in and JP28 is closed then the...
Page 17: ...KEYBOARD CONNECTORS CN1 CN11 DESCRIPTION 1 5 KEYBOARD LOCK 2 1 KEYBOARD DATA 3 2 N C 4 3 GROUND 5 4 SV 2 12 Power LED and Keylock CN2 POWER LED KEYLOCK PIN NO DESCRIPTION 1 POWER LED ANODE 2 KEY 3 GR...
Page 18: ...CRIPTION 1 PULL HIGH 2 TURBO SIGNAL_ NORMAL PULL LO JP5 TURBO LED PIN NO DESCRIPTION 1 TURBO LED ANODEJ l 2 TURBO LED CATHODE_ _ 2 16 Upgrade the CPU If you want to upgrade the CPU you must do three t...
Page 19: ...LOSE OPEN JP21 OPEN CLOSE CLOSE OPEN OPEN CLOSE CPU CLOCK GENERATOR SPEED SETTING There are tVloQ CPU clock generators in the ASC486 one is internal RTC using chipset 1429 and another is external RTC...
Page 20: ...CLOSE CLOSE OPEN default setting CPU CLOCK SYSTEM SETTING There are tVltU CPU Clock Systems can be selected double frequency 2X or single frequency 1X The different Clock System is set by JP15 and JP4...
Page 21: ...e sure the ZIF socket arm is up in the open position The Pin1 corner is at the arm corner 2 Align the CPU so its Pin1 corner is at the Pin 1 corner of the ZIF socket and the pins on the bottom are ali...
Page 22: ...re starts to secure the CPU in the socket This is normal and won t damage the CPU When the CPU is installed the arm should snap into place at the side of the socket Press the arm down Note When you us...
Page 23: ...ess than 20ns Tag RAM Speed less than 15ns 2 19 System Memory DRAM The system DRAM on board is divided into two banks Bank 0 and 1 Each bank has four sockets for SIMM Single In Line Memory Module Each...
Page 24: ..._cs 2MB 256Kx9X4I _cs 256Kx9X cs 4MB 1Mx9x4I _cs 8MB 1Mx9x4pcs 1Mx9x4I _cs 20MB 1Mx9x4I _cs 4Mx9x4I _cs 16MB 4Mx9x4I _cs 32MB 4Mx9x4I _cs 4Mx9x4pcs 64MB 16Mx9x4I _cs 128MB 16Mx9x4I _cs 16Mx9x4pcs Bank...
Page 25: ...r 1 Plug the Dual Side Male Connector into the ASC486 s PC 104 female connector 2 Plug the PC 104 module s female connector into the ASC486 s male connector PC 104 Module I PCM Q4 Female Cgnnector I l...
Page 26: ...ACK6 13 SA18 IOW S010 DRQ6 14 SA17 IOR S011 DACK7 15 SA16 OACK3 S012 DRQ7 16 SA15 DRQ3 S013 5V 17 SA14 DACK1 S014 MASTER 18 SA13 DRQ1 S015 ov 19 SA12 REFRESH KEY ov 20 SA11 SYSCLK 21 SA10 IRQ7 22 SAS...
Page 27: ...e 0 Serial Port 1 disable CR0 3 1 Parallel Port enable OParallel Port disable CR0 4 1 IDE enable OIDE disable CRO S 1 Game Port enable 0 Game Port disable CR0 6 Reserved CR0 7 Reserved R R Each block...
Page 28: ...Parallel Port Select 378 37F OParallel Port Select 278 27F CR1 4 1 IDE Port Select 1FO 1F7 0 IDE Port Select 170 177 CR1 5 1 System has no IDE hard disk or other hard disk 0 System has IDE hard disk o...
Page 29: ...out dx al jmp 2 jmp 2 dee dx Bit7 Bit6 I Bit5 Bit4 l Bit3 Bit2 Bill I BitQ R R I GEN HEN I PEN S1EN SOENTFEN Programming CR1 Register Set mov al Oaah Write Index Entry Valid out dx al jmp 2 l 0 Delay...
Page 30: ...dx al 1mp 2 jmp 2 1nc dx in al dx mov bl al imp 2 1mp 2 Read CR1 Register Status dee dx mov al Oaah Out dx al imp 2 jmp 2 mov al Oc1h out dx al inc dx jmp 2 jmp 2 in al dx mov bh al int 3h Code enos...
Page 31: ...dvanced Chipset Setup If you want to get higher execution performance you should set Auto Config Setup to Disabled then change the DRAM Read Write Wait State to Fast or Fastest The setting is depend o...
Page 32: ...443H must be performed This vllill enable and activate the countdown timer IMlich vllill eventually time out and either reset the CPU or cause an NMI depending on the setting of JP35 To ensure that th...
Page 33: ...HE WOT 70 GOSUB 3000 REM TASK 3 5 SECS 80 GOSUB 5000 REM ENABLE AND REFRESH THE WOT 90 GOT030 1000 REM SUBROUTINE 1 2 SECONDS TO COMPLETE 1070 RETURN 2000 REM SUBROUTINE 2 3 SECONDS TO COMPLETE 2070 R...
Page 34: ...serial number has been removed Seller does not assume any liability for consequential damages as a result from our products uses and in any event our liability shall not exceed the original selling p...
Page 35: ...Professional Industrial Computer Products Supplier...
