XEBEC AMERICA 1210A (VER. 2) Data Bus 8-bit ISA Card Size Full-length, full-height card Hard Drives supported Two ST-506/412(MFM) drives Floppy drives supported None [Image] CONNECTIONS Function Location Function Location 34-pin cable connector J1 20-pin data cable J3 - hard drive connector - drive 2 20-pin data cable J2 Factory test connector J4 connector - drive 1 - do not alter USER CONFIGURABLE SETTINGS Function Label Position » Host ROM enabled JP4/8 Closed Host ROM disabled JP4/8 Open Note: When multiple controllers exist, one of these controllers must disable the host ROM. DMA CHANNEL SELECTION Channel JP2/1 JP2/2 JP2/3 JP5/1 JP5/2 JP5/3 1 Closed Open Open Closed Open Open 2 Open Closed Open Open Closed Open 3 Open Open Closed Open Open Closed BIOS ADDRESS SELECTION Address JP1/1 JP1/2 JP1/3 JP1/4 300h Closed Closed Closed Closed 304h Open Closed Closed Closed 308h Closed Open Closed Closed 30Ch Open Open Closed Closed 310h Closed Closed Open Closed 314h Open Closed Open Closed 318h Closed Open Open Closed 31Ch Open Open Open Closed 320h Closed Closed Closed Open 324h Open Closed Closed Open 328h Closed Open Closed Open 32Ch Open Open Closed Open 330h Closed Closed Open Open 334h Open Closed Open Open 338h Closed Open Open Open 33Ch Open Open Open Open HOST ROM ADDRESS SELECTION Address JP4/1 JP4/2 JP4/3 JP4/4 JP4/5 JP4/6 JP4/7 00000h Closed Closed Closed Closed Closed Closed Closed 02000h Closed Closed Closed Closed Closed Closed Open 04000h Closed Closed Closed Closed Closed Open Closed 06000h Closed Closed Closed Closed Closed Open Open 08000h Closed Closed Closed Closed Open Closed Closed F6000h Open Open Open Open Closed Open Open F8000h Open Open Open Open Open Closed Closed FA000h Open Open Open Open Open Closed Open FC000h Open Open Open Open Open Open Closed FE000h Open Open Open Open Open Open Open Note: A total of 128 address settings are available. The jumpers are a binary representation of the decimal memory addresses. JP4/1 is the Most Significant Bit and JP4/7 is the Least Significant Bit. The jumpers have the following decimal values: JP4/7= 2000h, JP4/6=4000h, JP4/5=8000h, JP4/4=10000h, JP4/3=20000h, JP4/2=40000h, JP4/1=80000h. Turn on the switches and add the values of the switches to obtain the correct memory address. (Closed = 0, Open=1) INTERRUPT SELECTION Setting JP3/1 JP3/2 JP3/3 JP3/4 JP3/5 JP3/6 2 Closed Open Open Open Open Open 3 Open Closed Open Open Open Open 4 Open Open Closed Open Open Open 5 Open Open Open Closed Open Open 6 Open Open Open Open Closed Open 7 Open Open Open Open Open Closed