User`s manual
RS-400-SF User’s Manual 
12 
1T pipeline BITBLT engine. It also features a Video 
Accelerator and advanced hardware acceleration logic to 
deliver high quality DVD playback. 
The RS-400-SF owns 1 AGP 4X slot, 2 PCI slots, 4 
ISA slots and 1 CNR slot for function expansion. It supports 
maximum 5 add-on cards for PCI slots and ISA slots. ISA 
bus support PIO mode only, doesn’t support DMA mode. 
CNR slot supports modem only. 
Currently, SIS650 supports processor front bus (PSB) 
400MHz. The RS-400-SF will support PSB 533MHz by 
upgrading to use SIS651 chipset. 










