OUTMAILBOX1
nphdl = ISP_READ(isp, OUTMAILBOX1);
portid = ((ISP_READ(isp, OUTMAILBOX1) & 0xff) << 16) |
ISP_READ(isp, OUTMAILBOX1));
ISP_READ(isp, OUTMAILBOX1));
ISP_READ(isp, OUTMAILBOX1));
ISP_READ(isp, OUTMAILBOX1));
lipp = ISP_READ(isp, OUTMAILBOX1);
mbox1 = ISP_READ(isp, OUTMAILBOX1);