@5108.ADF Procom Technology, Inc. PIRA 55
US5077683 Expansion slot adapter with embedded data device interface (ISA?) (Google Patents)
Procom 55 SX Pira Riser
Power Header Pinout
Procom 55 SX Riser
Original image and Power pinout courtesy of Jerry Hogervorst
This puppy has an IDE controller built-in.
Power Header (P3)
-- Top of the riser --
AdapterID 5108 Procom Technology, Inc. PIRA 55
Adapter I/O Address Range
I/O port address range of the adapter.
Adapter Base Memory Address
EPROM base memory address of the adapter.
CA00 (CA00-CBFF), CC00 (CC00-CDFF), CE000h (CE00-CFFF), D800 (D800-D9FF),
DA00 (DA00-DBFF), DC00 (DC00-DDFF), DE00 (DE00-DFFF)
Interrupt Request Level for the adapter.
<" IRQ 14">, 15, 10, 11
DMA Arbitration Level (Commented Out)
The PIRA 55 uses the host DMA to transfer data.
6, 7, 0, 1, 3, 4
Fairness On/Off (Commented Out)
The PIRA 55 adapter supports the Micro Channel Fairness
feature. When <ON>, the PIRA 55 will not participate in the next
arbitration after the bus has been requested by another peripheral.
When <OFF>, the PIRA 55 will participate in all arbitrations.
< "Fairness ON ">,