VersaLogic VL-586-1 Reference Manual

57, External Connections VL-586-1 Reference Manual Installation – 47 JF – H ARD D ISK D RIVE C ONNECTOR Two standard IDE drives can be connected to the VL-586-1 through this connector. Caution Cable length must be 18" or less to maintain proper signal integrity. The grounds in…

66, Register Summary 56 – Register Descriptions VL-586-1 Reference Manual F LOPPY D ISK D RIVE C ONTROLLER Table 32: Floppy Disk Drive Controller Registers Mnemonic R/W Address Name FDCMSR R 03F4h Main Status Register FDCDR R/W 03F5h Data Register FDCST0 R 03F5h Status Register 0 FDCST1 R 03…

46, Interrupt Configuration 36 – Configuration VL-586-1 Reference Manual Table 11: Interrupt Request Inputs Interrupt Signal Name Interrupt Number Typical Source of Interrupt on an IBM AT As Shipped Configuration Notes IRQ8 70h Real Time Clock Hardwired Internal signal, not available to the…

71, Register Summary VL-586-1 Reference Manual Register Descriptions – 61 I/O AND M EMORY M AP C ONTROL R EGISTER IOMMAP (WRITE ONLY) 00E2H D7 D6 D5 D4 D3 D2 D1 D0 Reserved Reserved Reserved Reserved MMAP2 MMAP1 IOMAP2 IOMAP1 Table 40: I/O and Memory Map Register Bit Assignments Bit Mn…

33, VersaLogic VL-586-1 Memory Configuration VL-586-1 Reference Manual Configuration – 23 CMOS RAM C ONFIGURATION Jumper V6[1-2] (top position) can be briefly used to erase the contents of the CMOS RAM should it become necessary to do so. Table 5: CMOS RAM Jumpers Jumper Block Description As Shipped V6[1-2] CMOS RAM Era…

42, Interrupt Configuration 32 – Configuration VL-586-1 Reference Manual Interrupt Configuration Seven three-position jumper blocks are used to configure the interrupt sources on the VL-586-1. Each jumper block is used to select one of two interrupt sources and route it to the interrupt control…