中国DOS联盟

1、是HIMEM.EXE的

Modules using memory below 1Mb:

Name Total = Conventional + Upper Memory
-------- ---------------- ---------------- ----------------
SYSTEM 45,600 (45K) 11,072 (11K) 34,528 (34K)
HIMEM 2,464 (2K) 2,464 (2K) 0 (0K)
UMBPCI 160 (0K) 160 (0K) 0 (0K)
COMMAND 10,880 (11K) 0 (0K) 10,880 (11K)
XMSDSK 688 (1K) 0 (0K) 688 (1K)
FREE 641,632 (627K) 638,576 (624K) 3,056 (3K)

Memory summary:

Type of Memory Total = Used + Free
---------------- ----------- ----------- -----------
Conventional 652,288 13,712 638,576
Upper 49,152 46,096 3,056
Reserved 348,160 348,160 0
Extended (XMS) 67,107,840 3,845,946,3 516,128,768
---------------- ----------- ----------- -----------
Total memory 68,157,440 3,846,354,3 516,770,400

Total under 1Mb 701,440 59,808 641,632

Total Extended (XMS) 67,107,840 (65,535K)
Free Extended (XMS) 516,128,768 (504,032K)

Largest executable program size 638,560 (624K)
Largest free upper memory block 3,056 (3K)
Available space in High Memory Area 8,256 (8K)
MS-DOS is resident in the high memory area.

2、是QHIMEM.SYS的

Modules using memory below 1Mb:

Name Total = Conventional + Upper Memory
-------- ---------------- ---------------- ----------------
SYSTEM 45,600 (45K) 11,072 (11K) 34,528 (34K)
QHIMEM 2,048 (2K) 2,048 (2K) 0 (0K)
UMBPCI 160 (0K) 160 (0K) 0 (0K)
COMMAND 10,880 (11K) 0 (0K) 10,880 (11K)
XMSDSK 688 (1K) 0 (0K) 688 (1K)
FREE 642,048 (627K) 638,992 (624K) 3,056 (3K)

Memory summary:

Type of Memory Total = Used + Free
---------------- ----------- ----------- -----------
Conventional 652,288 13,296 638,992
Upper 49,152 46,096 3,056
Reserved 0 0 0
Extended (XMS) 529,072,128 12,943,360 516,128,768
---------------- ----------- ----------- -----------
Total memory 529,773,568 13,002,752 516,770,816

Total under 1Mb 701,440 59,392 642,048

Total Extended (XMS) 529,072,128 (516,672K)
Free Extended (XMS) 516,128,768 (504,032K)

Largest executable program size 638,976 (624K)
Largest free upper memory block 3,056 (3K)
Available space in High Memory Area 8,272 (8K)
MS-DOS is resident in the high memory area.

3、是老HIMEM.SYS的

Modules using memory below 1Mb:

Name Total = Conventional + Upper Memory
-------- ---------------- ---------------- ----------------
SYSTEM 45,600 (45K) 11,072 (11K) 34,528 (34K)
HIMEM 1,104 (1K) 1,104 (1K) 0 (0K)
UMBPCI 160 (0K) 160 (0K) 0 (0K)
COMMAND 10,880 (11K) 0 (0K) 10,880 (11K)
XMSDSK 688 (1K) 0 (0K) 688 (1K)
FREE 642,992 (628K) 639,936 (625K) 3,056 (3K)

Memory summary:

Type of Memory Total = Used + Free
---------------- ----------- ----------- -----------
Conventional 652,288 12,352 639,936
Upper 49,152 46,096 3,056
Reserved 0 0 0
Extended (XMS) 529,137,664 12,943,360 516,194,304
---------------- ----------- ----------- -----------
Total memory 529,839,104 13,001,808 516,837,296

Total under 1Mb 701,440 58,448 642,992

Total Extended (XMS) 529,137,664 (516,736K)
Free Extended (XMS) 516,194,304 (504,096K)

Largest executable program size 639,920 (625K)
Largest free upper memory block 3,056 (3K)
Available space in High Memory Area 5,472 (5K)
MS-DOS is resident in the high memory area.

只凭这个没人能看出哪个好。
不过我用了十多年的HIMEM.SYS，没觉得它坏。其它两个没用过。

呵呵,我新人啊,完全搞不明白是什么意思,麻烦会的高手回答下,也好扩充下自己的学问,先谢谢了!